SEARCH RESULTS for "Target"

Product Reviews Found:
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1.Target Turmeric and Curcumin Supplements and Spices Review  *
2.Target Green Tea Review: Supplements, Brewable, Matcha, and Bottled  *
3.Target CBD & Hemp Extract Supplements, Lotions, and Balms Review  *
4.Target Dark Chocolates, Cocoa & Cacao Powders, Nibs, and Supplements Review -- Sources of Flavanols  *
5.Target Choline Supplements Review (Including Phosphatidylcholine, CDP-Choline, and Alpha-GPC)  *
6.Target Muscle & Workout Supplements Review (Creatine and Branched-chain Amino Acids)  *
7.Target Collagen Supplements Review  *
8.Target Vision Supplements Review (with Lutein and Zeaxanthin)  *
9.Target Extra Virgin Olive Oil Review  *
10.Target Resveratrol Supplements Review (Grape, Red Wine, and Polygonum Sources)  *
11.Target Holy Basil Supplements Review  *
12.Target Astaxanthin Supplements Review  *
13.Target Elderberry Supplements Review  *
14.Target Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids)  *
15.Target Cinnamon Supplements and Spices Review  *
16.Target SAMe (S-adenosyl-methionine) Supplements Review  *
17.Target Menopause Supplements Review (Soy and Red Clover Isoflavones, Black Cohosh) and Progesterone Creams  *
18.Target Echinacea Supplements Review  *
19.Target L-Arginine Supplements Review  *
20.Target Ginger Supplements & Ales Review  *
21.Target Prostate Supplements Review (Saw Palmetto and Beta-Sitosterol)  *
22.Target Vitamin E Supplements Review  *
23.Target Inactive Ingredients / Excipients in Supplements  *
24.Target Taurine Supplements Review for People, Dogs, and Cats  *
25.Target Berberine and Goldenseal Supplements Review  *
26.Target Nattokinase Supplements Review  *
27.Target Recommended Daily Intakes and Upper Limits for Vitamins and Minerals | Consumerlab.com
28.Target L-Theanine Supplements Review  *
29.Target Low-Dose Lithium Supplements Review  *
30.Target Pomegranate Juice and Supplements Review Article  *
31.Target Potassium Supplements Review  *
32.Target Coconut Waters Review  *
33.Target Garcinia Cambogia (HCA) Supplements Review  *
34.Target Ginseng Supplements Review  *
35.Target Lactose Intolerance Products Review (Lactase Enzymes and Lactose-Free Milks)  *
36.Target Maca Supplements Review  *
37.Target Oat Cereals Review  *
38.Target Sexual Enhancer Supplements Review (with Yohimbe, Horny Goat Weed, Arginine)  *
39.Target Where to Buy Supplements - From ConsumerLab.com | Consumerlab.com
40.Target Alpha Lipoic Acid Supplements Review  *
41.Target St. John's Wort Supplements Review  *
42.Target Aloe Liquids, Gels, and Supplements Review  *
43.Target Acetyl-L-Carnitine Supplements Review  *
44.Target Human Growth Hormone (HGH) and Insulin-like Growth Factor-1 (IGF-1) Supplements Review Article  *
45.Target Milk Thistle and Liver Formula Supplements Review  *
46.Target About Us | ConsumerLab.com
47.Target Huperzine A Supplements Review  *
48.Target Baobab Dried Fruit Pulp Review Article  *
49.Target CLA (Conjugated Linoleic Acid) Supplements Review (for Slimming)  *
50.Target Green Coffee Bean Extract Supplements Review (for Weight Loss)  *
51.Target Joint Health Supplements for Pets Review (Glucosamine, Chondroitin, MSM & Boswellia)  *
52.Target Weight Loss Supplements Review (7-Keto DHEA, Forskolin and Stimulant Blend Supplements)
53.Target Acai Berry Supplements and Beverages Review  *
54.Target African Mango (Seed Extract) Supplements for Weight Loss Review Article  *
55.Target Bilberry Supplements Review  *
56.Target Nitric Oxide Supplements (Bodybuilding and Athletic Performance) Review Article  *
57.Target DHEA Supplements Review  *
58.Target Potassium Iodide (KI) and Potassium Iodate (KIO3) Review Article: Radioprotective Agents  *
59.Target Toprol XL vs. Generic Metoprolol Succinate Extended-release (ER) Tablets Review  *
60.Target Multivitamin and Multimineral Supplements Review
61.Target Noni Juice Review Article  *
62.Target Vitamin C Supplements Review
63.Target Canned Tuna and Salmon
64.Target Hoodia (Hoodia gordonii) Review Article  *
65.Target Learn More About Fiber Suppelments | Consumerlab.com
66.Target Mangosteen Juice and Supplements Review Article  *
67.Target Wellbutrin vs. Generic Bupropion Review  *
68.Target Apple Cider Vinegar Review -- Bottled Liquids and Pills
69.Target Ashwagandha Supplements Review
70.Target B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)
71.Target Bone Broth Review
72.Target Boron Supplements Review (Including Calcium, Magnesium, and Vitamins D & K)
73.Target Breast Enhancement Supplements Review Article  *
74.Target Calcium Supplements Review
75.Target Chia Seed Review
76.Target Cholesterol-Lowering Supplements Review (Sterols/Stanols and Policosanol)
77.Target Chromium Supplements Review
78.Target Coconut Oil and Medium Chain Triglycerides (MCT Oil) Review
79.Target CoQ10 and Ubiquinol Supplements Review
80.Target Digestive Enzyme Supplements Review
81.Target Fish Oil and Omega-3 and -7 Supplements Review (Including Krill, Algae, Calamari, and Sea Buckthorn)
82.Target Garlic Supplements Review
83.Target Ginkgo (Ginkgo Biloba) Supplements Review
84.Target Greens and Whole Food Powders and Capsules
85.Target Iron Supplements Review
86.Target Joint Health Supplements Review (Glucosamine, Chondroitin, MSM and Boswellia)
87.Target Kelp Supplements Review
88.Target L-Tryptophan and 5-Hydroxytryptophan (5-HTP) Supplements
89.Target Lycopene Supplements Review
90.Target Lysine Supplements Review
91.Target Magnesium Supplements Review (Including Calcium, Vitamins D & K, and Boron)
92.Target Meal Replacement & Weight Management Powders and Shakes Review
93.Target Melatonin Supplements Review
94.Target NAC (N-Acetyl Cysteine) Supplements Review
95.Target Nutrition Bars & Cookies Review (For Energy, Fiber, Protein, Meal Replacement, and Whole Foods)
96.Target Plant-Based Milks (Almond, Cashew, Coconut, Flax, Hemp, Macademia, Oat, Pea, and Soy)
97.Target Probiotic Supplements Review (Including Pet Probiotics)
98.Target Protein Powders, Shakes, and Drinks Review
99.Target Quercetin Supplements Review
100.Target Red Yeast Rice Supplements Review
101.Target Reishi Mushroom Supplements Review
102.Target Rhodiola Rosea Supplements Review
103.Target Selenium Supplements Review
104.Target Valerian Supplements Review
105.Target Vitamin A Supplements Review, Including Beta-Carotene and Cod Liver Oil
106.Target Vitamin D Supplements Review (Including Calcium, Vitamin K, Magnesium, and Boron)
107.Target Vitamin K Supplements Review (Including Calcium, Vitamin D, Magnesium & Boron)
108.Target Zinc Supplements and Lozenges Review


Encyclopedia Articles Found: (Articles do not mention brands)
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1.Vitamin B2
2.Pregnenolone
3.Indigo
4.Glucomannan
5.Carpal Tunnel Syndrome
6.Vitamin K
7.Adrenal Extract
8.Amyotrophic Lateral Sclerosis
9.Dehydroepiandrosterone (DHEA)
10.Psyllium
... More Results


ConsumerLab.com Answers to Questions Found:
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1.Are there any supplements I should avoid when taking acetaminophen (Tylenol)?
2.Which supplements can cause diarrhea?
3.Do any supplements help prevent sunburn or skin damage from sun exposure?
4.When is the best time of day to take a multivitamin?
5.Do any supplements really help with brain function, like memory and cognition?
6.I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements I should avoid, or be taking, due to this drug?
7.Which supplements can help lower cholesterol and keep my heart healthy? Are there any to avoid?
8.Which supplements have been shown to be helpful for autism?
9.What supplements should I stop taking before surgery?
10.Which supplements can help me sleep?
11.Which supplements should be taken with food?
12.Do any supplements help prevent or treat a cold?
13.I take a number of supplements and I think they are making my acid reflux worse. Which supplements could be causing my stomach irritation, and what can I do about it?
14.Which supplements can help with arthritis?
15.Are enteric coated supplements better than non-enteric coated ones?
16.Do vitamins, minerals and nutritional supplements lose effectiveness with exposure to high temperatures and is it safe to order supplements by mail in the summer?
17.Does taking a laxative interfere with the absorption of vitamins or minerals?
18.Which supplements can help lower my triglycerides?
19.Which supplements can help lower or control my blood sugar?
20.Which supplements help to improve energy and decrease fatigue?
21.Do any supplements help prevent or improve cataracts?
22.Which supplements reduce the risk of stroke? Which increase the risk of stroke?
23.Do any supplements help prevent or treat osteoporosis?
24.How do the Beyond Burger, the Impossible Burger, and a beef burger compare in terms of vitamins and minerals, and which is best?
25.Is there a risk of liver toxicity with certain supplements?
26.Which supplements can help to lower blood pressure?
27.Which supplements can help with indigestion and/or heartburn?
28.What are the nutritional benefits of avocado oil? Is it healthier than olive oil?
29.What is Brain Bright and can it really improve memory or cognition?
30.Are there supplements I should avoid when taking apixaban (Eliquis) or similar blood thinner drugs?
31.I live in Canada. Does ConsumerLab.com ever test Canadian products?
32.Which supplements can cause constipation?
33.Does Procera AVH really improve memory and mood?
34.I have been having dizziness for the past few months and am wondering if it could be a side effect of supplements I take. Which supplements cause dizziness?
35.I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug?
36.Is it true that most coffee is contaminated with mold?
37.What is carrageenan? Should I be concerned that it is an ingredient in my supplement?
38.What is the difference between fish oil and cod liver oil? Is one better than the other?
39.What are the best supplements for depression and anxiety?
40.What are the health benefits of stevia? Is it safe?
41.What is shilajit? Does it have any proven health benefits, and is heavy metal contamination a concern?
42.What is the difference between cysteine and cystine?
43.Which dietary supplements and health foods contain high levels of lead?
44.Are supplements with amino acid chelated minerals better than those with other forms of minerals?
45.Are there any supplements I should avoid when taking an antibiotic? Are there any that may be helpful?
46.Are there vitamins or supplements that can reduce my risk of breast cancer? Do any increase cancer risk?
47.How much bone broth do I need to consume in order to get a benefit?
48.Is canola oil good or bad for you? I heard it can be toxic.
49.Is it true that iodine can cause acne or other skin problems?
50.It is okay to add milk to green tea?
51.Which foods are a good source of B vitamins?
52.Do any supplements help prevent or reduce eye floaters?
53.Do diamine oxidase (DAO) supplements for histamine intolerance really work?
54.I have low blood pressure. Are there any supplements I should avoid?
55.I was surprised when my doctor told me to stop taking supplements because my kidney function was low. But after stopping the supplements, my kidney function returned to normal. Can taking a lot of supplements really damage the kidneys?
56.Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins?
57.Is there a multivitamin that contains only the recommended daily vitamins and minerals? Most that I have looked at contain more.
58.What is Protandim and does it really work?
59.When choosing a protein powder, which protein source is best -- whey, casein, soy, pea, rice, hemp or egg?
60.Which supplements help with Raynaud's phenomenon?
61.Do any supplements help relieve stress?
62.I am having trouble sleeping. I regularly take a multivitamin, fish oil, magnesium, calcium, vitamins D and K, and a protein supplement. I also take a low-dose blood pressure medication. Could any of these supplements be causing my insomnia?
63.What are the health benefits of black cumin seed (black seed) oil?
64.What are the health benefits of dark chocolate?
65.What is PQQ? Does it help with aging and memory? Is it similar to CoQ10?
66.Which supplements are helpful to have when traveling? Any tips on how to best store supplements on trips?
67.Do any supplements help with gum disease or periodontitis?
68.How much magnesium from supplements is too much?
69.Which supplements can help treat constipation?
70.Which supplements help with erectile dysfunction?
71.Do any supplements help for hair loss?
72.Do any supplements help for irritable bowel syndrome (IBS)?
73.Does Alpha Brain really improve memory, focus and cognition?
74.Is CBD oil (cannabidiol) effective and safe? Is it legal?
75.What are the health benefits of grapefruit seed extract (GSE)? Is it safe?
76.What is Lipo-flavonoid and does it work for tinnitus or other ear problems?
77.With herbal supplements, what is the difference between root powder and root extract? Does it matter?
78.Do any supplements help reduce the symptoms of premenstrual syndrome (PMS)?
79.Do any supplements reduce side of effects of chemotherapy?
80.Do magnesium creams, sprays and oils help with muscle pain and cramps? How about supplements?
81.How do I find the best quality olive oil and what are the health benefits?
82.I take insulin (Humalog) for diabetes. Are there supplements that could affect my blood sugar levels and how much insulin I need to take?
83.What are the health benefits of coconut oil and medium chain triglycerides, such as those used in Bulletproof Coffee?
84.What is Noopept? Can it really improve memory and cognition, and is it safe?
85.Are lithium orotate supplements as effective and safe as prescription lithium for bipolar disease and depression?
86.Can castor oil eye drops improve or dissolve cataracts?
87.I've heard it's best to take fat-soluble supplements, like CoQ10, curcumin, and vitamin D, with fats or oils to increase absorption. Would taking them with a fish oil capsule be enough?
88.I've heard that soaking dried beans for 24 hours reduces the phytate level, allowing for greater access to nutrients. Is this true?
89.What are the health benefits of olive oil?
90.What are the health benefits of tart cherry juice?
91.What's really in supplements for "adrenal support" and "adrenal fatigue"? Do they work and are they safe?
92.Which supplements help for osteoarthritis of the hip?
93.Which supplements help reduce the risk of colorectal cancer?
94.Are cranberry supplements helpful for men? Can they help with symptoms of an enlarged prostate, prostatitis, or urinary tract infections?
95.Can beta-sitosterol cause erectile dysfunction or low libido? Are there any other side effects?
96.Can drinking coffee can prevent gallstones? Can supplements help?
97.Can vitamin supplements strengthen brittle nails?
98.Can vitamins or other supplements cause a change in the ability to taste, or even a loss of taste?
99.Can white kidney bean extract really help me lose weight?
100.Do any supplements help for flu?
101.Do any supplements help for restless legs syndrome?
102.Do any supplements help for ulcerative colitis?
103.Do any supplements help for varicose veins or chronic venous insufficiency?
104.Do any supplements help with migraines?
105.Do any supplements help with nerve pain, like sciatica or diabetic neuropathy?
106.How do I choose the best magnesium supplement?
107.Is it true that low-carb or Mediterranean diets help for gastroesophageal reflux disease (GERD)?
108.Is it true that some vitamins or supplements can cause cancer?
109.Is Modified Citrus Pectin (MCP) helpful for prostate or breast cancer?
110.What are the side effects of magnesium supplements?
111.What is CELLFOOD and is it a healthy supplement?
112.What is vitamin B12 and how much do I need?
113.What's the best protein to keep and gain muscle when you're older?
114.When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take?
115.Why aren't there children's multivitamins specifically for girls vs. boys?
116.Are liquid vitamins better than pills?
117.Are supplements which claim increased absorption or improved bioavailability telling the truth? Is it worth paying more for these? Are there concerns?
118.Can beetroot juice improve my workout performance?
119.Can lysine, vitamin B-12, or other vitamins or minerals help prevent or reduce canker sores?
120.Could my CoQ10 supplement be causing my insomnia?
121.Do any supplements improve balance or reduce the risk of falls?
122.Do biotin supplements really improve hair and nails?
123.Do melatonin supplements reduce the body's own production of melatonin?
124.Do Sugar Bear Hair Vitamins make hair shine, nails stronger, and help both to grow? They taste good but are super expensive.
125.Does Carditone work to lower blood pressure?
126.How can I make a mask that is as good as a surgical mask or an N-95 mask?
127.How much should I expect to pay for supplements? Are higher-priced supplements any better than low-priced brands?
128.I enjoy oat milk in my coffee, but how healthy is it for me?
129.I take fluoxetine (Prozac), a SSRI drug to treat depression. Are there supplements I should avoid, or be taking, due to this drug?
130.I would like to try gotu kola for varicose veins but I've heard it's not safe to take. Is that true?
131.I'm interested in using Himalayan salt. What are the health benefits with it and other specialty salts? Are there contaminants in these salts?
132.Is bromelain a good alternative to NSAIDs, like ibuprofen, for muscle or joint pain?
133.Is it safer to get calcium from foods than from supplements? How about from calcium-fortified orange juice and non-dairy milks?
134.Is it true that overdoses of vitamin D only occur when you don't get enough vitamin K?
135.Is it true that protein can strain the kidneys as you get older?
136.Is quercetin helpful for a specific condition? I see it as an ingredient in several different types of supplements.
137.Is there evidence that d-limonene can help fight cancer?
138.Should I be worried that my supplement contains "caramel coloring IV"? I've heard that it has been linked to cancer.
139.What are natural remedies for coronavirus (COVID-19)? Do supplements like zinc, vitamin C, or herbals work?
140.What are the health benefits of bone broth, and which bone broth is the best?
141.What are the symptoms of vitamin D deficiency?
142.What is lunasin and does it really reduce cholesterol?
143.What Is Marine-D3 and does it live up to anti-aging claims?
144.What is Prelief? Does it really help for heartburn and/or bladder pain from acidic foods?
145.What is the difference between natural and synthetic astaxanthin?
146.What is UC-II and does it help joints?
147.Which supplements are best for seasonal allergies?
148.Which supplements are helpful for age-related macular degeneration (AMD)?
149.Are the "% DV" numbers on vitamin supplement labels really based on what I need?
150.Can cocoa and chocolate cause kidney stones?
151.Can heat and humidity destroy whey protein and other sports nutrition supplements (e.g., creatine, BCAAs, digestive enzymes) during shipping or while storing at home?
152.Can lemon juice, lemonade, or other juices reduce my chances of getting kidney stones?
153.Can taking too much fish oil be dangerous?
154.Can taurine help reduce muscle cramps?
155.Does heat kill coronavirus (COVID-19)? Can it disinfect face masks and packages?
156.Does Prevagen really improve memory?
157.Does turmeric/curcumin help for osteoarthritis in dogs and cats? Is it safe?
158.How concerned should I be about glyphosate in foods and supplements?
159.How does regular black pepper compare with black pepper extract used in supplements? Will sprinkling it on food with turmeric help increase the bioavailability of curcumin compounds from turmeric?
160.I have IBS and don't want to take medication if I can help it. I've heard that peppermint works for IBS, but is there good research to support this?
161.I take estrogen replacement (Vagifem), to help relieve the symptoms of menopause. Are there supplements I should avoid, or be taking, due to this drug?
162.I take VitaPulse dietary supplements from the Princeton Nutrients. Once the bottle is open for a week or so, the contents begin to smell. Should I be concerned?
163.I'm taking Lumiday, a supplement to improve mood. It seems to help me but is it safe?
164.Is kratom too dangerous to use?
165.Is Rhodiola rosea effective for depression and does it have other uses? Will ConsumerLab.com be testing these supplements?
166.Is the theobromine in chocolate and cocoa good or bad for me?
167.My dog is getting older and his veterinarian recently recommended giving him a glucosamine supplement for his joints. Has ConsumerLab.com tested these, or other supplements for pets?
168.What are the signs of iron deficiency anemia?
169.What are the symptoms of B12 deficiency?
170.What is graviola? Can it really help fight cancer?
171.What is Pycnogenol and does it work?
172.What is the benefit of magnesium orotate compared to other forms of magnesium?
173.Which supplements are important after bariatric surgery (i.e., weight loss or stomach-reducing surgery)? Are there any I should avoid?
174.A blood test showed my vitamin D level is low. How do I know how much vitamin D to take?
175.Are some probiotics dangerous? I've heard that Bacillus subtilis, a soil-based probiotic, can cause infections.
176.Are there side effects from collagen supplements?
177.Can coconut water help with muscle cramps or restless legs syndrome?
178.Can taking too much vitamin B-12 be dangerous? The label on my B-complex states it contains 50,000% of the Daily Value!
179.Do probiotics help prevent urinary tract infections?
180.Do water filters remove microplastics from tap water?
181.Does guggul really improve thyroid function?
182.Does Gynostemma pentaphyllum really work as an AMPK activator and help for diabetes?
183.Have any supplements been shown to increase women's libido?
184.Have you evaluated a multivitamin by Vita Logic called Daily Extra?
185.How does bone broth protein compare to other types of protein?
186.I developed a rash after taking an iron supplement and then realized the supplement contained soy, to which I am allergic. Can your reports help me avoid soy and other allergens in supplements?
187.I do moderate exercise for about an hour a few times a week. Which supplements might help me?
188.I read that famotidine (Pepcid) may help treat COVID-19. Is this true? Are there risks with taking famotidine?
189.I take omeprazole (Prilosec), a proton pump inhibitor, to reduce stomach acid. Are there supplements I should avoid, or be taking, due to this drug?
190.I'm a middle-aged healthy woman who gets occasional urinary tract infections. I heard that cranberry juice or cranberry supplements can help prevent the condition. Is this true?
191.I've heard that grapefruit juice can interact with medications because it inhibits an enzyme that breaks down drugs in the body. Do any supplements interact the same way with drugs?
192.Is aloe an effective remedy for dry eye?
193.Is it legal to take cannabidiol oil (CBD) on a flight?
194.Is it okay to crush a tablet and consume the powder or add the powder to food, rather than swallowing the tablet whole?
195.Is it okay to take vitamin D3 and fish oil together?
196.What are the benefits of calcium-d-glucarate?
197.What are the most common, potentially dangerous interactions between supplements and drugs?
198.What are the side effects of ashwagandha supplements?
199.What is BioSil? Can it really increase collagen production and strengthen hair, skin, nails and bones?
200.What is inositol hexaphosphate (IP6)? Can it really prevent or treat cancer?
201.What is lactoferrin and will it really strengthen my immune system?
202.What is the best way to take melatonin to get a good night's sleep?
203.Which oils can help lower my cholesterol and risk of heart attack? How are coconut oil, olive oil, and fish oil for example?
204.Are there negative interactions between the following supplements I take twice each day, as well as 60 mg of beta-sitosterol with dinner: Vitamin C (500 mg), CoQ10 (100 mg), grape seed extract (100 mg), fish oil (500 mg), vitamin D3/calcium/magnesium/zinc (200 IU/333 mg/113 mg/5mg)?
205.Do any supplements help for tinnitus? Is it true that some supplements can cause tinnitus?
206.Do vitamin C supplements help prevent cataracts?
207.Do whey or soy protein powders contain estrogens?
208.Does CBD help with Parkinson's disease?
209.Does microwaving green tea affect the amount of EGCG or other catechins in the tea?
210.Does taking curcumin and boswellia together increase their individual anti-inflammatory effects?
211.Does vitamin B12 improve memory?
212.Has the probiotic VSL#3 been changed or discontinued? Is Visbiome a good alternative?
213.How can I find supplements that are gluten-free on ConsumerLab.com?
214.I have type 2 diabetes. Should I be concerned about ingredients like maltodextrin and maltitol that are found in some protein bars and drinks?
215.I read an article stating that some of the ingredients in Centrum multivitamins may be dangerous or toxic. Is that true?
216.I read that statins can cause diabetes. Is this true also with red yeast rice?
217.I read that sterol supplements to lower cholesterol like CholestOff can block the absorption of vitamins. Is that true?
218.I take a supplement containing a "proprietary formula" which lists many ingredients. Can ConsumerLab test the contents so I'll know the amounts of each ingredient?
219.I've heard that melatonin may increase the risk of broken bones. I take melatonin regularly. Should I be concerned?
220.Is hyaluronic acid helpful for osteoarthritis?
221.Is ingesting colloidal silver helpful for any condition and is it safe to use? I'm seeing it promoted for many applications.
222.Is it safe to take arginine, or other supplements for sexual enhancement, while taking Viagra or Cialis?
223.Is it true that fish oil supplements may contain soy? I'm allergic!
224.Is it true that there are bits of plastic in drinking water and specialty salts? How concerned should I be?
225.My doctor warned me that red yeast rice can cause liver damage - is that true?
226.What are the health benefits of black garlic?
227.What are the side effects of boswellia?
228.What are the side effects of red yeast rice?
229.What is acrylamide? Is it true that coffee and cocoa contain this toxin?
230.What is monolaurin? Can it really prevent colds, cold sores, or other infections?
231.Why does my multivitamin make me nauseous? Is there anything that can help?
232.Do brain games and apps really work and improve memory?
233.Do glutathione supplements work to prevent aging or for other conditions?
234.Does arnica gel, cream, or spray reduce bruising, pain, or swelling?
235.Does collagen taken as a supplement help with arthritis? I'm seeing it in products for joint health.
236.Does CoQ10 reduce wrinkles, increase skin elasticity, or tighten the skin? Are there any other supplements that can help?
237.Does glucosamine raise "bad" LDL cholesterol?
238.How can I get tested for the coronavirus? Can I get a home-test for COVID-19? Which are the best tests? Are any tests free?
239.How significant are the risks to drinking tea from China from heavy metals?
240.I have been having neurological symptoms, and a blood test showed I have toxic levels of vitamin B-6. My multivitamin contains 75 mg of B-6, but this is below the upper limit of 100 mg per day. Could my vitamin contain more than it lists?
241.I'm thinking of changing my multivitamin, but the one I'm considering doesn't contain molybdenum. Most others have it. How important is molybdenum?
242.My HDL (good) cholesterol level is low. Should I take niacin to raise my HDLs?
243.The suggested daily serving for my fish oil supplement, three 1,000 mg softgels, seems like a lot. Do I really need to take this much?
244.What are phytoceramides? Do phytoceramide supplements really work to improve aging skin?
245.What is the best protein supplement for vegetarians and vegans?
246.What is the ingredient zeolite I see in Natural Cellular Defense and other detox supplements? Does it help in any way?
247.Which vitamins and supplements are good for acne, and are there any that make it worse?
248.After developing kidney stones, I was told to avoid tea -- but recently I've heard that green tea might actually be helpful for kidney stones. Is that true?
249.Are "medical foods" such as VSL 3, proven to work? Does the FDA approve them?
250.Are there collagen supplements for vegetarians and vegans?
251.Can bloodroot or "black salve" treat skin cancer? Is it safe?
252.Can CBD cause a drop in blood pressure?
253.Can CBD help with insomnia or improve sleep?
254.Can curcumin help prevent or improve symptoms of Alzheimer's disease?
255.Can fisetin, also called Cognisetin and Novusetin, really improve memory?
256.Can I take cholesterol-lowering statin medication with green tea?
257.Do probiotics have to be enterically coated to be effective?
258.Do vitamin patches, such as for B12 or multivitamins, really work? How about those from PatchMD?
259.Does nicotinamide riboside (as in Niagen and Basis) really have anti-aging or other health benefits?
260.Does resveratrol really activate SIRT1 - the "longevity" gene?
261.Does soy affect the risk of breast cancer or prostate cancer?
262.Does taking zinc help with sleep?
263.How does turmeric spice compare to curcumin (turmeric extract) in supplements? I sprinkle it on my foods and wonder if that's equivalent to taking a supplement.
264.I am very concerned about getting too much vitamin A. Is there danger in getting too much vitamin A if I take fish oil, which I've heard contains a lot of vitamin A, in addition to my multivitamin?
265.I have heard that nascent iodine may be better than regular iodine or potassium iodide for thyroid support. Is this true, and what exactly is nascent iodine?
266.I recently read that a gluten-free diet may increase your exposure to arsenic and mercury. Is this true?
267.I started taking red yeast rice and soon after developed insomnia. Could my red yeast rice supplement be the problem?
268.I take 1000 mg of a high-absorption curcumin extract. It seems to be working, but would it be safe to take a larger dose?
269.I want to try yacon syrup because I've heard it is helpful for weight loss, but there are so many brands to choose from. How do I find a quality brand?
270.I've heard fish oil may be helpful for dry eye. Is this true? How much should I take?
271.I've heard that rice has high levels of arsenic. Does that mean rice bran oil does too?
272.I've read that the best form of vitamin E is d-alpha tocopheryl succinate (it's recommended in the paleo diet, for example), but I don't see that listed on product labels. How can I find it?
273.If I already take red yeast rice, would adding high-dose niacin help further reduce my cholesterol levels, and would this be safe?
274.Is DPA an important omega-3 fatty acid? It's been promoted as more "powerful" than EPA and DHA.
275.Is drinking coffee good or bad for heart health?
276.Is Ester-C the best form of vitamin C?
277.Is green tea from Japan contaminated with radiation?
278.Is it better to take fish oil, flaxseed oil -- or both?
279.Is it okay to freeze fish oil to keep it from becoming rancid?
280.Is it okay to take a zinc supplement while I am on an antibiotic for a respiratory infection?
281.Is it possible to take too much vitamin C?
282.Is it true that drinking a small amount of hydrogen peroxide (H2O2) with water can kill bacteria in the urinary tract or help in other ways? Is this safe -- or is it dangerous?
283.Is it true that I need to drink more water or increase calcium intake when supplementing with protein powder?
284.Is sublingual vitamin B-12 really better than the pill form?
285.My optometrist recommended genetic testing to determine the effectiveness of various supplements for AMD. What is the evidence for doing this?
286.The probiotic I am taking looks pink. Does this mean it is spoiled or no longer "active"?
287.The vision supplement I take is based on the AREDS2 formula, but it contains a lot of zinc -- 80 mg in the recommended daily serving. Is it necessary, and safe, to take this much zinc every day?
288.What are prebiotics? Is it important to look for them when choosing a probiotic supplement?
289.What are the health benefits of manuka honey, and is it safe?
290.What are the side effects of glucosamine and chondroitin?
291.What are the side effects of melatonin supplements?
292.What is EpiCor? Does it really "boost" the immune system and prevent colds?
293.What is serrapeptase and does it work?
294.What is Skinny Fiber and does it really work? I see that glucomannan is a key ingredient. What is that?
295.When is the best time to take probiotics to prevent diarrhea from antibiotics - before, during, or after the course of antibiotic treatment?
296.Which vitamins and minerals should be taken together or separately?
297.Why is beta-carotene still an ingredient in some supplements? Isn't it dangerous?
298.Will an Epsom salt bath increase magnesium levels in my body like a supplement?
299.Are there supplements that can reduce prostate size?
300.Can beetroot juice or supplements help lower my blood pressure?
301.Can green tea help prevent the flu?
302.Can N-acetyl-glucosamine (NAG) really help improve symptoms of bowel disease such as Crohn's disease or ulcerative colitis, or irritable bowel syndrome (IBS)?
303.Can vitamin C reduce the pain of shingles?
304.Do CoQ10 levels really decrease with age?
305.Do UV light sanitizing wands and boxes kill coronavirus (COVID-19)?
306.Do you have any advice on how to find trusted pharmacies to refill my cholesterol medicine in Canada?
307.Does coconut water help re-hydrate as well as sports drinks?
308.Does taking vitamin C (1,000 mg) deplete copper in the body?
309.How do I choose the best CoQ10 supplement?
310.I started taking a magnesium supplement (400 mg from magnesium oxide) and developed diarrhea. Might there a problem with the supplement?
311.I take St. John's wort for depression. Your report notes that it can interact with other medications. Would taking it several hours apart from other meds avoid this interaction?
312.I take ubiquinol to replenish CoQ10 depleted by my statin. I also take curcumin (from turmeric). Since they both manage free radicals, do I need to take the curcumin?
313.I use a brand of curcumin and the most recent bottle contained capsules a few shades lighter than what I am accustomed to taking. Is this color change an issue to be concerned about?
314.Is it dangerous to use certain herbals, vitamins, or other dietary supplements when breastfeeding?
315.Is it true that calcium citrate increases the absorption of aluminum?
316.Is it true that glucosamine and chondroitin can reduce the risk of death, like aspirin?
317.Is it true that taking glucosamine might make my glaucoma worse?
318.Is there a difference between taking vitamin D in the dry form versus the oil capsules? Is one better than the other?
319.Is there an accurate test for magnesium deficiency?
320.Rhodiola and ashwagandha are both promoted to help with stress and anxiety. Is it safe to take them at the same time?
321.What is the difference between fish oil and krill oil? Is one better than the other?
322.Which "whole food" multivitamins are only from foods and don't include synthetic vitamins? What can you tell from the labels of these products: Complete Foods Nutrition-OctoMega MultiVitamin; Sunwarrior Raw Vitamins; Garden of LIfe-MyKind Organics; Nature's Brands-PhytoVitamins; Doctors' Research MultiVitamin?
323.A tea called Throat Coat made me lethargic and I was found to have low potassium. Is this a known problem? I was drinking 5 cups a day.
324.Are CoQ10 and ubiquinol safe to take for a long period of time? Should I give it a rest period?
325.Are plant-based calcium supplements, like AlgaeCal, better than regular calcium supplements?
326.Are there any serious side effects with Lovaza or Epanova (prescription fish oil)? If so, would these also apply to generic versions of these drugs and to fish oil supplements?
327.Are there drug interactions with curcumin or turmeric?
328.Can CLA slimming supplements cause liver damage?
329.Can glycine really help improve my sleep?
330.Can I get the new coronavirus (2019-nCoV) from supplements from China?
331.Can melatonin help with stomach pain?
332.Can prenatal vitamins have too much folic acid? Mine has 800 mcg, but isn't that more than what's recommended? Is this dangerous to me or my baby?
333.Can supplements with antioxidants like beta-carotene and vitamins A and E cause you to die sooner?
334.Can taking CoQ10 affect my thyroid levels or interact with my thyroid medication?
335.Can taking curcumin cause dry eye?
336.Do collagen or hyaluronic acid supplements really help aging or wrinkled skin?
337.Do either phosphatidylserine or phosphatidylcholine help with memory and cognition? How are these supplements different?
338.Do turmeric and curcumin supplements contain significant amounts of oxalates? Can this increase my risk of kidney stones?
339.Does CBD interact with other medications?
340.Does cooking or frying with olive oil make it less healthy?
341.Does magnesium help with depression?
342.Does tea tree oil work for getting rid of athlete's foot?
343.Help! How do I know how much magnesium I am actually getting from my supplement? The label says it contains 500 mg of magnesium "as magnesium citrate" -- but how much of that is magnesium and how much is citrate?
344.How can I easily compare the ingredients in supplements?
345.How can the Recommended Daily Allowance (RDA) for magnesium be higher than the Upper Tolerable Intake Level (UL)? That is, how can an amount which is healthful also put you at risk for harm?
346.How do fish oil supplements compare to EPA prescription fish oil like Vascepa?
347.How do I choose the best probiotic supplement? There are so many different strains of bacteria!
348.How should curcumin dose be adjusted if using formulations with enhanced bioavailability such as Meriva, BCM-95, CurcuWin, Theracurmin, Bioperine, and C3?
349.I asked the distributor of my cacao powder how it checks for metals. They say they do "foreign material detection" to capture "metal fragments." Is this adequate for checking cacao and cocoa for heavy metals, like cadmium, which you've found in other products?
350.I bought a lactose-free milk that is "calcium-fortified" and provides 50% of the Daily Value for calcium. Is that too much calcium?
351.I have heard that caffeine can interfere with the benefits of creatine supplementation. Is that true?
352.I have milk allergy and can't eat dairy. What's the best way for me to get calcium?
353.I read that aging lowers the body's capacity to produce vitamin D. Even regular sun exposure will not suffice and one may have to take a vitamin D3 supplement during old age to meet our body's regular requirements. Please comment on this.
354.I recently bought a CoQ10 supplement on Amazon. The manufacture date was hidden under a sticker, but was 13 months ago. No "Best By" date is listed. Is this product still good to use?
355.I recently purchased some matcha green tea powder claiming to contain up to "137 times the EGCG" that is in brewed green tea. However, the label does not state an actual amount of EGCG and the company would not provide me with any analysis. Is the label true?
356.I use beta-sitosterol for my prostate. Should it be taken with or without food?
357.I was told I have a MTHFR gene mutation. What do I need to know about taking B vitamins?
358.I'm a vegan but my doctor wants me to take fish oil with EPA and DHA. Is there something I can take that would be as good as fish oil capsules but would satisfy the needs of a vegan?
359.I'm at risk for both macular degeneration and Alzheimer's disease, according to my doctors. I've read articles about omega-3 oils saying that more EPA than DHA is good for macular degeneration, and the reverse is true for Alzheimer's. What do you recommend?
360.I'm considering taking vitamin K for my bones, but I take blood thinner (anti-coagulant) medication. Is there a problem taking both?
361.I'm worried that I'm not getting enough potassium in my diet, but potassium supplements only seem to provide a very small dose -- much less than what we are supposed to get on a daily basis. Why is this, and how can increase my daily intake?
362.I've heard that curcumin is a MAO inhibitor. Is this true, and does that mean it is not safe to take if you eat amine-rich foods like cheese and dark chocolate?
363.I've heard that having low B-12 or B-6 can cause depression. Is that true?
364.If I buy NAC as a loose powder in a large bag, as opposed to in tablet form, will it spoil? I've heard it can spoil or degrade into a harmful by-product.
365.If vitamin K absorption appears to be reduced by other fat-soluble vitamins, like vitamin D, why do some "bone health" supplements combine them? Should they be taken separately?
366.Immunocal is much more expensive than other whey protein isolates - is it worth the extra cost?
367.Is Greek yogurt a good source of protein?
368.Is it important to take calcium and magnesium together?
369.Is it safe to take melatonin when taking prescription sedatives or sleep aids like lorazepam (Ativan) or zolpidem (Ambien)?
370.Is it true that fish oil is better absorbed when taken with a fatty meal?
371.Is it true that there is no point in taking fish oil supplements for heart health?
372.Is it true that yogurt and kefir can trigger migraines?
373.Is L-arginine helpful or harmful for people with cancer?
374.Is MitoQ a better form of CoQ10?
375.Is there a danger of getting too much calcium from Tums? I take them frequently for heartburn.
376.Is there cause for concern with "gummy vitamins?" There are many different gummies out there. Are some better than others?
377.Lovaza, a prescription omega-3 fish oil, is very expensive. Can I get the same omega-3 oils from a supplement that costs less?
378.Now that it was shown that Ginkgo biloba is not an effective memory enhancer, are there any other health enhancing benefits from taking it, and, if so, what dose should one take daily?
379.Should I be concerned about phytic acid in oat cereals? I've heard that it can be harmful, but also that it can have health benefits.
380.Some websites are highly critical of magnesium stearate, which is in many supplements. Is this substance toxic and should I avoid it?
381.Someone told me that one Brazil nut can provide your entire recommended daily intake for vitamin E. Is that true?
382.Sometimes my powdered supplements get clumpy. Should I be concerned?
383.Tablets I purchased are becoming "crumbly" after a few weeks and are easy to break. Is there a problem with this supplement?
384.The maker of my multivitamin says it doesn't include folic acid because too much from supplements can be harmful. Is that true?
385.To lower my cholesterol, I am taking a phytosterol supplement. Will taking other supplements, like red yeast rice or fish oil, help lower my cholesterol even further?
386.What are the benefits of grape seed extract?
387.What are the effects of curcumin on the liver?
388.What are the health benefits of holy basil extract?
389.What are the side effects of curcumin and turmeric?
390.What are the symptoms of vitamin B6 deficiency?
391.What is the best form of iron supplement?
392.What is the best way to take curcumin? Is it better to take it all at once or in divided doses?
393.When taking a water-soluble version of CoQ10, do I still need to take it with food?
394.Which bottled green teas have the most EGCG?
395.Which is the best form of magnesium to take - one that contains the most magnesium and is best absorbed?
396.Why is iron not in many multivitamins? How can I find one that does contain iron?
397.Will pregnenolone help slow down aging?
398.With probiotics, how many CFUs should I look for as the dose? Is more necessarily better?
399.Are there any supplements I should avoid when taking Valium or Xanax?
400.Can I trust lab reports and Certificates of Analysis provided by supplement manufacturers?
401.Can psyllium help control hunger and appetite?
402.Does I3C (from broccoli) reduce the risk of cancer?
403.Does taking one slow-release calcium tablet of 600 mg (such as Citracal) per day pose a risk for heart disease?
404.Have you heard of the probiotic, Keybiotics? Does it do what it claims, and is it worth the money they charge?
405.I find labels of some supplement bottles misleading. For example, an L-theanine label says 200 mg on the front but the back says each pill contains just 100 mg, noting that a serving is 2 capsules. Is this legal?
406.I noticed that some ingredients in my multivitamin have no daily value established. A few concern me, specifically Boron (150 mcg per tablet), Nickel (5 mcg per tablet), and Tin (10 mcg per tablet). Should I be concerned about these ingredients?
407.Is it true that magnesium bisglycinate from BioSchwartz is less likely to cause a laxative effect than other forms of magnesium?
408.What is the difference between cocoa and cacao? Is one better than the other?
409.A representative in a store selling vitamins and supplements advised me that it was better to use a powdered product that you mix with liquid than to take a pill, because the vitamins will be more completely absorbed. Is that true?
410.After taking a curcumin supplement, I started getting chronic diarrhea which went away when I stopped taking it. Can curcumin supplements cause diarrhea?
411.Are lozenges and sublingual pills considered dietary supplements?
412.Can a probiotic help men with prostatitis?
413.Can apple cider vinegar really lower blood sugar or help me lose weight?
414.Can baking soda really help treat rheumatoid arthritis?
415.Can CoQ10 help lower homocysteine levels?
416.Can I take CoQ10 at the same time as my statin, or should I take them separately?
417.Can taking fish oil or calcium supplements increase my risk of prostate cancer? My doctor recommended that I stop taking them since I have an enlarged prostate.
418.Can vitamin K2 really help decrease calcium in the arteries?
419.Do magnesium supplements, like Magtein, help memory or protect against Alzheimer's disease?
420.Do probiotics help with lactose intolerance?
421.Do Vital 3 collagen drops really help for joint pain?
422.Does AZO Bladder Control really work for overactive bladder?
423.Does Restore (Bionic Sciences LLC) really improve gut health? What is in Restore?
424.Does taking natural versus synthetic CoQ10 make a difference? How do you know which product is natural or synthetic?
425.Does the FDA approve laboratories that test supplements?
426.Does the talc added to Centrum Silver and other vitamins pose a risk of cancer?
427.Have you tested vitamin K supplements with MenaQ7? Is this a good source of vitamin K if I need to avoid soy?
428.How can I tell if my fish oil supplement is rancid (oxidized) or spoiled? And if it is spoiled, is it still safe to take?
429.How much calcium from supplements is too much?
430.How much dark chocolate equals a tablespoon of cocoa powder?
431.How much fat is there in chocolate? Is it saturated fat?
432.I am curious why some probiotics do not require refrigeration even though they contain some of the same bacteria in probiotics that require refrigeration? Which probiotics need to be refrigerated?
433.I am female and just purchased a saw palmetto supplement for hair loss. However, it says on the bottle that it is only for use by men. Is it really unsafe for women? Lots of sites suggest its use, but I'm fearful of trying it now.
434.I developed a rash soon after starting a probiotic. Is it possible to be allergic to probiotics?
435.I eat one to two cups of Greek yogurt every day. Do I still need to take a probiotic supplement?
436.I heard that some types of fish oil are esterified and can dissolve plastic foam (polystyrene or Styrofoam). Is this right and, if so, should I be concerned?
437.I heard that Theracurmin, a form of curcumin, was shown to help with memory, but it's expensive. Does Theracurmin really improve memory and is it worth it?
438.I heard the S-form of alpha-lipoic acid is bad for me. Why is it in my supplement?
439.I read on your website that some B-12 vitamins can cause diarrhea due to added sugar substitutes like sorbitol. I have had diarrhea and never thought it could be caused by my vitamin B-12 supplement, until I read your article and stopped taking the supplement. My diarrhea stopped immediately. Can you help me find a brand of B-12 that doesn't contain sorbitol or sugar substitutes that could cause this problem?
440.I read that turmeric may be a GI irritant. I have GI problems and wonder if I should avoid turmeric and curcumin?
441.I spend a lot of time in the sun, especially in the summer. Does this mean my vitamin D levels could get too high?
442.I take lisinopril (Zestril), an ACE inhibitor drug to lower blood pressure. Are there supplements I should avoid, or be taking, due to this drug?
443.I take melatonin to help me fall asleep. Are there any drugs that interact with melatonin that I should be aware of ?
444.I'd like to know which supplements may help with my different medical conditions. What's the best way to look this up on ConsumerLab.com?
445.I've read that fish oil supplements may help with gout, but I've also been told to avoid oily fish because it can increase my uric acid levels. Are fish oil supplements safe for me to take and do they really help with gout?
446.Is it okay to buy supplements as tablets? I've heard that tablets may go through our system without dissolving. Is there any way to know whether tablets will properly dissolve?
447.Is it true that NAC can help clear nasal passages?
448.Is it true that oat cereals, like Cheerios, oatmeal, oatflakes and steel-cut oats can be contaminated with a toxin?
449.Is it true that taking a statin drug negates the benefits of taking fish oil supplements?
450.Should I wear a face shield to protect from coronavirus (COVID-19)?
451.Someone told me glucosamine might be helpful for back pain - is that true?
452.What is "nano" CoQ10? Is it better than other CoQ10 formulations?
453.What is phytosomal curcumin? Does it have better absorption than other curcumin formulations?
454.What is the best source of vitamin D3 -- from lanolin in sheep's wool or from fish oil?
455.What is the difference between the "Best By" date and the "Date of Manufacture" on a supplement label? How do I know how long my supplement will last before it "goes bad"?
456.What is the difference between the RDA and the DV for vitamins and minerals?
457.Why does dark chocolate have iron in it? Is it, or cocoa, a good dietary source of iron?
458.Are there any supplements I should avoid when taking aspirin or ibuprofen?
459.Can coconut water prevent or dissolve kidney stones?
460.Can CoQ10 or ubiquinol be ruined by heat? I recently purchased several bottles of Qunol Plus from Costco.com and they arrived hot. The soft gels are not melted, but I am concerned.
461.Can magnesium supplements reduce heart palpitations or PVCs?
462.Could my CoQ10 supplement be making me nauseous?
463.Do pistachio nuts really provide as much melatonin as supplements?
464.Do probiotics really help prevent or treat vaginal yeast infections?
465.Do probiotics that come in different forms, like gum or lozenges, really work?
466.Do reishi mushroom supplements boost the immune system, or have other health benefits?
467.Does CBD help fight colds or the flu?
468.Does chocolate really cause migraines?
469.Does citrulline improve exercise performance or recovery?
470.Does consuming casein protein, like in Greek yogurt, increase the risk of prostate cancer?
471.How can I find out if my supplement has been tested by ConsumerLab.com?
472.How much resveratrol is in wine? Is it enough to have a benefit?
473.I've read about several different forms of SAMe. Is one form better than another?
474.Is Boswellia not well absorbed? Should I take it with food?
475.Is it best to take probiotic supplements with or without food? It seems like everyone has a different recommendation.
476.Is it true that fish oil may help protect the body against air pollution?
477.Is it true that glutamine powder can help protect the stomach when taking NSAIDs like ibuprofen?
478.Is it worth paying more for "pharmaceutical grade" CoQ10? What about "natural" or "live source" CoQ10?
479.Is liposomal vitamin C (sold as Lypo-Spheric) better than other forms of vitamin C?
480.Just one dose of a horse chestnut extract (standardized to 20% aescin) caused me to have significant nausea and vomiting. Might there be a problem with the product?
481.Taking 2 grams of L-glutamine in water on an empty stomach (as directed) caused me to be nauseous, dizzy and anxious. Is this a normal side effect of glutamine?
482.Titanium dioxide is listed as an ingredient in my supplement. Is it safe?
483.What are CoQ10 side effects?
484.What are sugar alcohols and why are they in my nutrition bar?
485.When is the best time of day to take red yeast rice?
486.Which are the best non-prescription hearing aids? Are any of these low-cost devices as good as more expensive, prescription hearing aids?
487.Why is there so much cadmium, a toxin, in cocoa powders but not in dark chocolate?
488.Are the cardiovascular benefits of resveratrol exaggerated?
489.Are the inactive ingredients I see listed on my supplement label necessary? Are they dangerous?
490.Are there any red flags to look for on the label when choosing a fish oil supplement?
491.Are there drug interactions with magnesium supplements?
492.Are vitamin D oral sprays more effective than vitamin D pills or drops?
493.Are vitamins and supplements from Canada of better quality because they are licensed?
494.Being over 50 years old, I'm looking to take a vitamin B-12 supplement. I see that many contain a form of vitamin B-12 called cyanocobalamin, yet I read on the Internet that this form is toxic. Should I be concerned?
495.Can chocolate and cocoa powder cause eczema?
496.Can eating almonds reduce wrinkles?
497.Can hemp oil or CBD (cannabidiol) supplements cause me to fail a drug test?
498.Can probiotics help lower cholesterol?
499.Can probiotics reduce anxiety?
500.Can taking N-acetylcysteine (NAC) supplements reduce my risk of liver damage from acetaminophen?
501.Can taking NAC (N-acetylcysteine) interfere with blood tests?
502.Can vitamin C from a supplement cause blood in the urine and painful urination?
503.Coromega Max claims it is uniquely emulsified to provide 300% better absorption than standard fish oil softgels. Is this true? It's more expensive than many fish oils but could potentially provide better overall value.
504.Do arnica pills really work to prevent bruising?
505.Do different colors of maca have different health benefits?
506.Do I need to divide my daily 300 mg dose of CoQ10 into smaller doses, or can I take it all at once?
507.Do you have any information on SeroVital or any other HGH stimulator?
508.Do zinc supplements contain lead?
509.Does forskolin help for weight loss? Is it safe?
510.Does saffron really improve vision or prevent age-related macular degeneration?
511.For two years, I used a red yeast rice brand which ConsumerLab.com's report showed to contain the highest amount of lovastatin. With just one pill per day, it kept my cholesterol lower (down to 205 from 260 before starting). I switched to a supermarket store brand because it was cheaper and my cholesterol jumped to 278 (taking 2 pills per day)! I don't think the store brand had anything in it -- is that possible? Can you test it?
512.How are you staying healthy during the coronavirus pandemic?
513.How can I get the equivalent of 20 ml of extra virgin olive oil (4 teaspoons) as oleic acid capsules?
514.How does the new prescription fish oil Epanova compare to Lovaza --and fish oil supplements?
515.How much caffeine is really in dark chocolate bars?
516.I have to be careful about my sodium intake. Could my glucosamine and chondroitin supplement contain hidden sodium?
517.I heard somewhere to avoid chocolate with "processed with alkali" in the ingredients. Is that true?
518.I thought the B vitamins were all water soluble and did not build up in the body, so you would not build up toxic levels. Am I wrong?
519.I'm trying to pick a good multivitamin for my children and husband, and for myself. Any suggestions based on your research?
520.I've been taking a Daily Advantage multi but am now concerned by the very high % DV for vitamin C (833% DV), niacin (325% DV), and B vitamins (over 1,000% DV for several). The company tells me this formula is based on clinical experience and the scientific literature. What do you think?
521.I've heard that taking vitamin D can reduce your natural production of melatonin and interfere with sleep. Is this true?
522.I've read of dangers from taking calcium supplements -- such as the risk of developing arterial calcifications. I can't seem to find a multivitamin without calcium. Can you help me?
523.I've seen the bacteria in Activia listed as Bifidobacterium animalis, Bifidobacterium lactis and Bifidus Regularis. Which is correct?
524.Is calcium hydroxyapatite really better than other forms of calcium?
525.Is echium oil a good alternative to fish oil? I am allergic to fish.
526.Is Esberitox effective for treating a cold?
527.Is Hershey's Special Dark better than other dark chocolate bars or cocoa powders?
528.Is it best to take SAMe with or without food? Do I need to take B vitamins when taking SAMe?
529.Is it safe to take Bioperine (which contains piperine from black pepper)?
530.Is it safe to take CoQ10 while taking blood thinners like warfarin or Plavix (clopidogrel)?
531.Is it true that green tea can interact with blood-thinning medications like warfarin (Coumadin) or clopidogrel (Plavix)?
532.Is it true that I should not keep magnesium supplements in a daily pill pack mixed with other supplements and medicines?
533.Is it true that taking calcium supplements increases the risk of developing age-related macular degeneration (AMD)?
534.Is the probiotic "Milk Test," as described on many websites, really an effective way to test the quality of the bacteria in probiotic supplements at home?
535.Is Theracurmin better absorbed than other curcumin formulas - and can it really help lower my blood pressure?
536.Is there a danger in taking lecithin or phosphatidylcholine? I heard that they may increase the risk of heart attacks.
537.Once I've taken probiotics for a few months, will the positive bacteria remain in my system, or do I have to keep taking them?
538.The lutein supplement I bought has a strong odor. Is that normal?
539.There are many reports of lead contamination in turmeric spice. How can I make sure I'm not getting lead in my turmeric supplement or spice?
540.To avoid mercury, I tried skipjack tuna instead of albacore, but I didn't like the taste. Is it safe to continue to eat albacore if just once a week?
541.What are the health benefits of aloe supplements? Are they safe?
542.What B-vitamin complex do you recommend for older people?
543.What is benfotiamine and can it really improve or prevent complications from diabetes?
544.What is fermented cod liver oil, such as Blue Ice? Is it better than regular cod liver oil?
545.What is Lactospore? I see it is an ingredient in some probiotic supplements.
546.What is Omega XL and does it work?
547.An online supplement seller suggests I pay $10 extra to ship my order of bottled fish oil with freezer packs using priority mail. Is this necessary?
548.Are B12 injections "better" than oral supplements? Are they necessary if I have a B12 deficiency?
549.Are cocoa and chocolate products contaminated with the fungal toxin ochratoxin A?
550.Can D-mannose help prevent urinary tract infections?
551.Can I use a home test for mercury to check for mercury in fish, like canned tuna, fresh fish, and sushi?
552.Can L-theanine help as a sleep aid? Will ConsumerLab.com be testing these supplements?
553.Can melatonin supplements cause depression or make depression worse?
554.Can taking too much vitamin B-6 be dangerous? The label on my multivitamin states it contains 2000% of the Daily Value!
555.Can turmeric or curcumin with black pepper extract cause constipation? I had this problem when taking a curcumin formula with piperine, but it resolved when I switched to a curcumin supplement without this added ingredient.
556.Does D-aspartic acid boost testosterone levels?
557.Does Longevinex resveratrol really help for age-related macular degeneration?
558.How does white tea compare to green tea and black tea in terms of antioxidant catechins? How about caffeine levels and lead contamination?
559.How likely are Americans to be deficient in vitamins or minerals?
560.I drink organic milk with added DHA Omega-3, but it is expensive. Is it worth paying extra for the added DHA?
561.I have been hearing a lot about the ingredient kaneka QH and that it must be in CoQ10, in order to work better. What is kaneka?
562.I purchased a supplement with a warning label indicating that it contains a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm, but there is no information explaining why. Do you know?
563.I thought resveratrol came from red wine or grape skins - what is the "Polygonum cuspidatum" I see listed on my supplement?
564.I've been using a lutein supplement with 40 mg of lutein and am concerned that this dose may be too high. Are there known harmful side-effects?
565.I've tried a number of fish oil supplements, all of which make me nauseous. What is the best non-fish alternative? I am primarily interested in getting EPA.
566.Is avocado oil safe to use?
567.Is it better to eat farmed salmon or wild salmon? Which one has more omega-3s and less contamination with PCBs, mercury, etc.?
568.Is it safe to take curcumin or turmeric supplements for a long period of time?
569.Is it true that calcium interferes with iron absorption? Is it a problem to take a multivitamin containing both minerals?
570.Is it true that milk thistle supplements can be contaminated with toxins that can be harmful to the liver?
571.Is it true that taking turmeric/curcumin with food can reduce iron absorption from food?
572.Is P-5-P really better than "regular" vitamin B6?
573.Is there a lab test that can measure CoQ10 in the blood? Can it help to determine the dosage I should take for a certain condition, like heart failure?
574.Should I worry about getting too much fluoride from drinking tea?
575.Some websites claim that synthetic vitamin C in supplements may be a combination the active "L" form and the inactive "D" form of ascorbic acid. Is that true? Should I be concerned?
576.What do alkaline booster drops do? Do they provide the same benefits as Kre-Alkalyn?
577.What is berberine? Can it really lower blood sugar? Are there any cautions? Which supplements are best?
578.What is Lutigold Lutein? And why is the capsule of one brand of lutein so much larger than that of another brand, if the amount of lutein on the label is the same?
579.What is pterostilbene? Can it really improve cardiovascular and cognitive health?
580.Are red yeast rice supplements legally permitted to contain statins, like lovastatin, since these are drugs?
581.As vitamin D is a fat-soluble vitamin, why is it necessary to take it every day?
582.Can I just stop taking alpha lipoic acid, or do I need to taper down?
583.Can I trust ConsumerLab.com? How are its tests paid for?
584.Can supplements help me lose weight?
585.Can taking certain forms of potassium, such as potassium citrate, reduce my chances of getting kidney stones? I've read a study that says it can, but it's unclear how much I should take.
586.How can I find out where a vitamin or supplement is made and where its ingredients come from, such as China or the USA?
587.How do I choose the best CLA supplement for slimming?
588.How much cocoa or chocolate do I need to consume in order to get a benefit?
589.I recently read that turmeric is only effective if it is combined with black pepper. Is this true?
590.I've read that magnesium deficiency is rare but also that most people don't get enough magnesium. How can these both be true?
591.Is it safe to consume fish oil as a long-term food supplement?
592.Is Spirulina safe? I heard that it can contain toxins, such as BMAA and microcystin toxin.
593.Is Super Beta Prostate better than other prostate supplements?
594.Some protein powders contain whey protein concentrate, and others contain whey protein isolates - what is the difference?
595.Some vitamin C products claim to use fully reduced vitamin C. Is this important?
596.What are omega-7 fatty acids? Do I need to take these if I already take fish oil?
597.What is the difference between CoQ10 and ubiquinol?
598.Which dark chocolate bar has the most flavanols with the least calories?
599.Will the zinc challenge or taste test really tell if I'm zinc deficient?
600.Is it better for a fish oil (or krill oil) supplement to have more DHA than EPA?
601.Is it better to buy supplements which are combination formulas or single-ingredient?


Clinical Updates Found:
2020 Cranberry for Cystitis in Men? (05/30/2020)
Cranberry for Cystitis in Men?
Cystitis (inflammation of the bladder) is common in men undergoing radiation therapy for prostate cancer. A study evaluated whether a cranberry supplement could reduce the incidence of cystitis in these men. Find out if it helped in our updated answer to the question: Are cranberry supplements helpful for men? Can they help with symptoms of prostatitis or urinary tract infections?
 Is CBD Safe? (05/30/2020)
Is CBD Safe?
Find out the most common adverse events reported for a popular line of CBD products in the Concerns and Cautions section of the CBD Oils and Hemp Extracts Review. Also see our Top Picks among products.
 Probiotic to Reduce Tooth Staining (05/29/2020)
Probiotic to Reduce Tooth Staining
A probiotic was tested to see if it could reduce the occurrence of black stains (a type of dental plaque) on teeth. Find out if it worked in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.
 Ashwagandha for Better Sleep? (05/27/2020)
Ashwagandha for Better Sleep?
Ashwagandha, which is often used for anxiety and stress, was recently tested in people with insomnia. Did it help them fall asleep? Find out in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.
 Lower Risk of Dementia Through Foods (05/26/2020)
Lower Risk of Dementia Through Foods
A 20-year study showed that the risk of Alzheimer's disease and other forms of dementia was 76% lower in people who ate more of certain foods. Find out what they ate and learn if supplements can help in our answer to the question: Do any supplements really help with brain function, like memory and cognition?
 CBD Label Inaccuracies (05/23/2020)
CBD Label Inaccuracies
Tests of CBD products purchased at local stores showed that many provided much less CBD than claimed. Get the details in the Products on the Market section of the CBD and Hemp Extracts Review. Also see our Top Picks for CBD products.
 Generic Fish Oil Approved (05/23/2020)
Generic Fish Oil Approved
The first generic version of icosapent ethyl (Vascepa) was recently approved by the FDA. But don’t expect it on the market soon. See the details in the prescription omega-3s section of the Fish Oil Supplements Review, which includes comparisons with fish oil supplements. Also see our Top Picks for fish oils, including highly concentrated versions.
 "Whole Grain" Is Not Enough (05/19/2020)
"Whole Grain" Is Not Enough
Not all "whole grain" products are equal when it comes to minimizing swings in blood sugar, according to a new study. Get the details in the Benefits section of the Oat Cereals Review. Also see our Top Picks among oat cereals.
 Potassium Levels Decline (05/19/2020)
Potassium Levels Decline
An analysis of blood samples of thousands of Americans suggests a slight decline in potassium intake. Find out what may be causing this in the update to the What It Does section of the Potassium Supplements Review. Also see our Top Picks for potassium supplements.
 High Blood Pressure Risk With Too Much Folic Acid During Pregnancy (05/15/2020)
High Blood Pressure Risk With Too Much Folic Acid During Pregnancy
While it is important to take folate during pregnancy, a new study suggests that too much folic acid from supplements increases the risk of high blood pressure in mothers. See the details in the Folic Acid section of the B Vitamin Supplements Review.

Also see our Top Pick among prenatal vitamins, which provides adequate (but not too much) folic acid, in our Multivitamin and Multiminerals Supplements Review.
 Low-Cal Orange Juice For Kidney Stones? (05/12/2020)
Low-Cal Orange Juice For Kidney Stones?
Increasing citrate intake may reduce the risk of kidney stones. Find out how effective low-cal orange juice is at increasing citrate in our answer to the question: Can lemon juice, lemonade, or other juices reduce my chances of getting kidney stones?
 CBD for Osteoarthritis Pain (05/05/2020)
CBD for Osteoarthritis Pain
A recent study, conducted in dogs, showed promise for CBD in reducing pain and inflammation due to osteoarthritis (pain due to worn joints). See the details in the What It Does section of the CBD and Hemp Extracts Review. Also see our Top Picks for CBD for people and for pets.
 Does Too Much Vitamin D Hurt Muscle? (05/05/2020)
Does Too Much Vitamin D Hurt Muscle?
A study among women given moderately high doses of vitamin D found that they lost strength. Further analysis of the data suggests why. Get the details in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Does Fish Oil or Curcumin Increase Brain Blood Flow? (05/02/2020)
Does Fish Oil or Curcumin Increase Brain Blood Flow?
A study among people ages 50 to 80 evaluated the effects of fish oil and curcumin on blood flow to the brain and on other aspects of cardiovascular function. See the results in the "What It Does" section of the Fish Oil Supplements Review and the Curcumin Supplements Review. Also see our Top Picks for fish oil and curcumin.
 Can Garlic Slow Atherosclerosis? (05/02/2020)
Can Garlic Slow Atherosclerosis?
Can taking a garlic supplement slow the build-up of plaque in arteries? See what a new study found in the What It Does section of the Garlic Supplements Review. Also see our top choices for garlic supplements.
 Alpha Lipoic Acid and Reflux (04/30/2020)
Alpha Lipoic Acid and Reflux
A CL member reported experiencing acid reflux when using alpha lipoic acid. This effect has been reported in clinical studies with higher doses -- which is not surprising consider that alpha lipoic acid is, after all, an acid. Ways to avoid this issue are discussed in the Concerns and Cautions section of the Alpha Lipoic Acid Supplements Review. Also see our Top Picks for alpha lipoic acid.
 Early Sign of Thiamin Deficiency (04/28/2020)
Early Sign of Thiamin Deficiency
Thiamin (vitamin B1) deficiency can cause lasting neurologic damage and affect heart function. It can occur with poor nutrition and as a result of taking certain diuretics. A recent case highlighted an early sign of thiamin deficiency that involves the eyes. We've added this information to the Thiamin section of the B Vitamin Supplements Review. Also see our Top Pick for thiamin and B complexes that contain thiamin. You can also get thiamin from a good multivitamin.
 A Role for Vitamin K in COVID-19? (04/28/2020)
A Role for Vitamin K in COVID-19?
A new study showed a link between vitamin K and the development of COVID-19. Learn what this means in the What It Does section of our Vitamin K Supplements Review. Also see our Top Pick among vitamin K supplements.
 Melatonin During Chemotherapy? (04/22/2020)
Melatonin During Chemotherapy?
Does melatonin improve sleep quality and have other benefits during chemotherapy for breast cancer? Find out what a recent study showed in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.
 Does Protein Powder Affect Blood Flow? (04/21/2020)
Does Protein Powder Affect Blood Flow?
Does supplementing with whey protein isolate affect blood flow through the aorta and to the brain? Find out what a recent study found in the What It Does section of the Protein Powders & Drinks Review. Also learn what effects protein powder has on building and maintaining muscle and see our Top Picks for protein powders.
 Magnesium Can Boost Cognition (04/19/2020)
Magnesium Can Boost Cognition
A clinical study has shown that cognitive function can be improved by as much as 9% in some people just by supplementing with magnesium. Get the details and find out if magnesium might help you in the What It Does section of the Magnesium Supplements Review. Also see our Top Picks for magnesium.
 Curcumin, Insulin & Alzheimer's? (04/18/2020)
Curcumin, Insulin & Alzheimer's?
Curcumin (from turmeric) may provide a modest benefit in people with insulin resistance and a new study suggests this may also reduce biomarkers of Alzheimer's disease. For details, see the What It Does section of the Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks for curcumin.
 A Food to Slow Cognitive Decline? (04/14/2020)
A Food to Slow Cognitive Decline?
Adherence to a Mediterranean diet was associated with a lower risk of cognitive impairment in a major new study, but only one food within that diet -- fish -- was also linked to slower loss of cognitive function. Find out how many servings of fish had the greatest impact in the What It Does section of the Fish Oil Supplements Review. Also see if fish oil supplements help and see our Top Picks for fish oil.

Also see our Top Picks for canned tuna and salmon.
 Zinc Concern (04/14/2020)
Zinc Concern
Zinc is a popular supplement right now due to COVID-19, but be aware that taking large doses of zinc for a long period of time can suppress the immune system by causing or exacerbating copper deficiency. Certain people may be more at risk for this. Get the details in the Cautions and Concerns section of the Zinc Supplements and Lozenges Review.
 Coconut Oil and Cholesterol (04/11/2020)
Coconut Oil and Cholesterol
Coconut oil is known to raise levels of LDL ("bad") cholesterol but also increase levels of HDL ("good") cholesterol. Is one more important than the other? Find out the latest information in the Cautions and Concerns section of the Coconut Oil and MCT Oil Review. Also see our Top Picks for coconut and MCT oils.
 Resveratrol for Memory? (04/11/2020)
Resveratrol for Memory?
A new study evaluated the effects of resveratrol on cognitive functioning in postmenopausal women. Find out if it helped in the What It Does section of the Resveratrol Supplements Review. Also see our Top Picks for resveratrol.
 Dark Chocolate for Memory? (04/05/2020)
Dark Chocolate for Memory?
Studies show that chocolate high in flavanols can improve cognition in people with cognitive decline. Can it also boost memory in people who are cognitively healthy? Find out in the Memory section of the Dark Chocolate and Cocoa Powders Review. Also see our Top Picks for dark chocolates and cocoa powders.
 Is Quercetin Safe? (03/31/2020)
Is Quercetin Safe?
Quercetin has been proposed as a treatment for a range of medical conditions, including COVID-19, but is it safe? Find out what studies have found, including results of a recent, small clinical trial, in the Concerns and Cautions section of the Quercetin Supplements Review. Also see our Top Picks for quercetin.
 Chia for Obesity? (03/31/2020)
Chia for Obesity?
Chia seeds are highly nutritious and rich in fiber, but can they help with weight management? Find out what studies are showing, including a recent clinical trial among obese children, in the What It Does section of the Chia Seed Review. Also see our Top Picks for chia seed products.
 Collagen for the Skin (03/28/2020)
Collagen for the Skin
Supplementing with collagen to improve aging skin is popular, but does it work? The latest study with collagen used a higher dose than other studies, but is a higher dose better? Find out in the What It Does section of the Collagen Supplements Review. Also see our Top Picks for collagen for wrinkles and for osteoarthritis.
 Another Case of Liver Injury With Turmeric (03/25/2020)
Another Case of Liver Injury With Turmeric
Although believed to be rare, we’ve been reporting a steady stream of cases of liver injury (hepatitis) with turmeric supplements. Learn the symptoms and read the latest in the Concerns and Cautions section of the Turmeric and Curcumin Supplements Review.
 Surprising Role of Potassium in COVID-19 (03/25/2020)
Surprising Role of Potassium in COVID-19
New research out of China suggests that many patients hospitalized with COVID-19 are low in potassium. For details see the information about Potassium in our answer to the question: What are natural remedies for coronavirus (COVID-19)? Do supplements like zinc, vitamin C, or herbals work?
 CoQ10 Bioavailability (03/21/2020)
CoQ10 Bioavailability
CoQ10 is not well absorbed unless taken with fats or oils, such as with a meal. Bioavailability-enhanced formulations allow CoQ10 to be taken without a meal, but how good are they? We’ve added new information about one such formula and how it compares to taking regular CoQ10 in the Absorption and Bioavailability Enhancers section of the CoQ10 and Ubiquinol Supplements Review. Also see our Top Picks for CoQ10 and ubiquinol.
 When to Eat Protein (03/21/2020)
When to Eat Protein
Some evidence indicates that it is best to distribute protein across meals throughout the day to maximize protein production in muscle. A recent study suggests that there is one meal when protein intake could be higher for nearly everyone, and there is another meal when older people particularly fall short. For details see the When to Take section of the Protein Powder and Drinks Review. Also see our Top Picks for protein powders and drinks.
 EPA vs. DHA from Fish Oil (03/18/2020)
EPA vs. DHA from Fish Oil
Some marine-based oils are higher in either EPA or DHA – key omega-3 fatty acids -- but does it matter? See what a recent study found in the What to Consider When Buying section of the Fish and Marine Oil Supplements Review. Also see our Top Picks among fish and marine oils.
 How Long Does Coronavirus Last On Surfaces? (03/17/2020)
How Long Does Coronavirus Last On Surfaces?
We've added new information about how long the coronavirus might last on packaging, and how this varies greatly depending on the package material, in our answer to the question: Can I get the new coronavirus (2019-nCoV) from supplements from China?
 Does CoQ10 Help With Statins? (03/10/2020)
Does CoQ10 Help With Statins?
Many studies have looked at whether or not CoQ10 helps people with statin-associated muscle pain. Read the latest in the What It Does section of the CoQ10 and Ubiquinol Supplements Review. Also see our Top Picks for CoQ10 and ubiquinol supplements.
 Staying Safe With Green Tea (03/10/2020)
Staying Safe With Green Tea
If you use a green tea extract (alone or as part of a supplement formula), it is important to take it with food according to several reports, as explained in the Concerns and Cautions section of the Green Tea Review. Also see our Top Picks for green tea in bags, loose, as matcha powder, and in other forms.
 Fish Oil and Heart Disease (03/07/2020)
Fish Oil and Heart Disease
Many studies have assessed the potential benefits of taking fish oil supplements. Results have been conflicting, but one of the largest and longest-term studies was recently published. See what it found in the What It Does section of the Fish Oil Supplements Review. Also see our general recommendations for using fish oil for heart health and check out our Top Picks for fish oil supplements.
 Melatonin and Cataracts (03/07/2020)
Melatonin and Cataracts
Do you have cataracts (clouded lenses of the eye)? A recent study suggests that having them removed and replaced with a certain type of intraocular lens may increase natural melatonin production. For details, see the ConsumerTips section of the new Melatonin Supplements Review. Also see our Top Picks among melatonin supplements.
 Olive Oil and Heart Disease (03/07/2020)
Olive Oil and Heart Disease
Does consuming olive oil instead of butter or margarine reduce the risk of heart disease? Find out what studies are showing, and the amounts of olive oil being used, in the What It Does section of the Olive Oil Review. Also see our Top Picks for olive oil.
 Do Glucosamine & Chondroitin Work? (03/03/2020)
Do Glucosamine & Chondroitin Work?
After reviewing the clinical literature regarding glucosamine and chondroitin for osteoarthritis, an expert group drew conclusions regarding their efficacy. Find out what they concluded in the What It Does section of the Joint Health Supplements Review. Also see our Top Picks for glucosamine, chondroitin and other joint health supplements.
 How Much Sun for Vitamin D? (02/29/2020)
How Much Sun for Vitamin D?
Is sun exposure to the hands, arms, and legs enough to boost or maintain adequate vitamin D levels? See what a recent study showed in the Getting Vitamin D from Sunlight section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Biotin May Skew Many Blood Tests (02/29/2020)
Biotin May Skew Many Blood Tests
If you take a high-dose biotin supplement, be aware of the growing list of blood tests with which it may interfere. See the latest information in the Biotin section of the B Vitamin Supplements Review.
 Breast Cancer & Milk Consumption (02/29/2020)
Breast Cancer & Milk Consumption
Is drinking milk – dairy or soy – associated with breast cancer risk? Find out what a new study found in our answer to the following question: Are there vitamins or supplements that can reduce my risk of breast cancer? Do any increase cancer risk?
 Cognitive Impairment From B12 Deficiency (02/25/2020)
Cognitive Impairment From B12 Deficiency
Vitamin B12 deficiency can cause a wide range of symptoms. This includes cognitive impairment, as shown in a recent case. For details about the symptoms of B12 deficiency see the B12 section of the B Vitamin Supplements Review. Also see our Top Picks for B12 and other B vitamin supplements.
 Does Ashwagandha Lower Stress? (02/25/2020)
Does Ashwagandha Lower Stress?
A widely available ashwagandha extract was recently tested for its ability to reduce stress, at two different doses. Find out if either worked in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.
 Vitamin D for Mom Affects Baby's Bones (02/25/2020)
Vitamin D for Mom Affects Baby's Bones
Taking high-dose versus very-low-dose vitamin D during pregnancy led to greater bone density in offspring, according to a recent study. But, there are important caveats. Get the details in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Vitamin K for Bone Density? (02/18/2020)
Vitamin K for Bone Density?
Vitamin K (as MK-7) was given daily for one year to older men and women to see if it would improve bone mineral density. Some also received vitamin D and calcium. Find out if it helped, as well as the results of related studies, in the What It Does section of the Vitamin K Supplements Review. Also see our Top Picks among vitamin K supplements.
 Saffron for Better Sleep? (02/18/2020)
Saffron for Better Sleep?
A recent, preliminary study suggests that saffron may help with sleep. Get the details plus information about other supplements that may help or interfere with sleep, in our answer to the question: Which supplements can help me sleep?
 Cocoa for Artery Disease? (02/15/2020)
Cocoa for Artery Disease?
People with peripheral artery disease often have trouble walking. Can flavanol-rich cocoa help? Find out what a recent study showed in the What It Does section of the Cocoa and Dark Chocolates Review. Also see our Top Picks for cocoas, chocolates, chips, nibs, and cocoa supplements.
 Collagen for Sun Damaged Skin? (02/15/2020)
Collagen for Sun Damaged Skin?
A study suggests that fish-derived collagen can improve sun-damaged skin. For details, including dosage, see the What It Does section of the Collagen Supplements Review. Also see our Top Picks for collagen.
 Help for Substance Abuse? (02/15/2020)
Help for Substance Abuse?
There is preliminary evidence that high-dose CBD may help people with substance abuse disorder. For details, see the What It Does section of the Review. Also see our Top Picks among products.
 Fish Oil for Diabetes? (02/11/2020)
Fish Oil for Diabetes?
There is mixed evidence as to whether fish oil helps people who have diabetes. Get the details, including those of a new study, in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.
 Vinegar Makes Grilling Safer (02/11/2020)
Vinegar Makes Grilling Safer
Grilling food can create cancer-causing compounds, but a study shows that vinegar can help. Find out how in the What to Consider When Using section of the Apple Cider Vinegar Review. Also see our Top Picks for apple cider vinegar.
 Vitamin B12 and Risk of Death (02/11/2020)
Vitamin B12 and Risk of Death
A study found higher blood levels of vitamin B12 to be associated with an increased risk of death -- suggesting caution when supplementing. For details, see the B-12 section of the B Vitamin Supplements Review. If you do need to supplement with B12, see our Top Pick among products.
 Vitamin C & Lungs (02/11/2020)
Vitamin C & Lungs
Supplementing with vitamin C to correct deficiency can reverse a form of lung disease, as exemplified in a recent report. For details, see the What It Does section of the Vitamin C Supplements Review. Also see our Top Picks for vitamin C.
 Glucosamine and Blood Sugar (02/08/2020)
Glucosamine and Blood Sugar
Glucosamine (used to treat osteoarthritis) is a type of sugar, so does its daily use affect blood sugar levels and one's risk of developing diabetes? Find out in the Concerns and Cautions section of the Joint Health Review. Also see our Top Picks for Glucosamine, Chondroitin, MSM, and Boswellia supplements.
 Vitamin D for Hives (02/08/2020)
Vitamin D for Hives
If you suffer from chronic hives (or chronic urticaria) and are deficient in vitamin D, taking vitamin D may be helpful, according to a new study. (Vitamin D may also be helpful for other skin conditions such as eczema and psoriasis.) Get the details in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Red Yeast Rice and Diabetes? (02/08/2020)
Red Yeast Rice and Diabetes?
The use of statin drugs, like lovastatin (Mevacor) is associated with an increase in the risk of developing diabetes. But does red yeast rice carry the same risk? See what a large study found in the Concerns and Cautions section of the Red Yeast Rice Review. Also see our Top Pick for red yeast rice.
 Avoid Quality Problems With Fish Oil (02/07/2020)
Avoid Quality Problems With Fish Oil
Nearly half of 17 popular fish oil supplements tested in a recently published study did not meet at least one of the quality criteria for freshness or content. Interestingly, two that passed testing were Approved by ConsumerLab, but none that failed were CL Approved. For details, see the Quality Concerns section of the Fish Oil Supplements Review. Also see our Top Picks for fish and marine oils.
 Problems With Huperzine A (02/04/2020)
Problems With Huperzine A
A recent analysis of supplements claiming to contain huperzine A (promoted for memory enhancement) found problems with most products. For details see the Concerns and Cautions section of the Huperzine A Supplements Review. Also learn what clinical studies have shown with huperzine A in the What It Does section and see which huperzine A supplements have been Approved by CL.
 Berberine vs. Colon Cancer? (02/04/2020)
Berberine vs. Colon Cancer?
A large study investigated the potential for berberine (promoted for blood sugar control) to prevent precancerous colon polyps. Find out if it worked in the What It Does section of the Berberine & Goldenseal Supplements Review. Also see our Top Pick for berberine.
 Collagen for Knees? (02/01/2020)
Collagen for Knees?
Collagen supplements have been tested in many studies to reduce pain and/or improve function in osteoarthritic knees. A recent study focused on collagen peptides. Find out if they worked (and see the results for other collagen products) in the Joint Pain section of the Collagen Supplements Review. Also see our Top Picks for collagen supplements for joint pain and for wrinkles.
 Pomegranate for Memory? (02/01/2020)
Pomegranate for Memory?
Pomegranate juice and supplements have been promoted for improving cardiovascular health, controlling blood sugar, and inhibiting prostate cancer. Most recently pomegranate juice was tested in a year-long study for its effects on memory. Find out if it helped, and see if it works for other touted uses, in the What It Does section of the Pomegranate Juice and Supplements Review Article.
 Not Enough Vitamin C (01/31/2020)
Not Enough Vitamin C
Vitamin C deficiency is known to cause scurvy, characterized by bleeding gums and other connective tissue problems. But vitamin C deficiency was recently reported to cause a very different array of symptoms in several people. Learn more in the What It Does section of the Vitamin C Supplements Review. Also see our Top Picks for vitamin C.
 How to Use Zinc Lozenges for Colds (01/28/2020)
How to Use Zinc Lozenges for Colds
Zinc lozenges have been shown to reduce cold symptoms, but effectiveness appears to depend on the lozenge formulation and how it is used. Learn more in the What It Does section of the Zinc Supplements and Lozenges Review. Also see our Top Picks for zinc lozenges and pills.
 Is Melatonin Safe for Children? (01/28/2020)
Is Melatonin Safe for Children?
Find out what side effects melatonin had when taken for up to two years by children and adolescents in a small study. See the What It Does section of the Melatonin Supplements Review. Also see our Top Pick for melatonin.
 When Magnesium Doesn't Seem to Help (01/28/2020)
When Magnesium Doesn't Seem to Help
Getting the recommended amount of magnesium has been associated with bone benefits. However, there was an increased risk of hip fracture among people who used a particular form of magnesium, according to a recent analysis. Get the details in the What It Does section of the Magnesium Supplements Review. Also see our Top Pick for magnesium.
 Best Way to Cook With Olive Oil (01/25/2020)
Best Way to Cook With Olive Oil
Cooking can reduce levels of heart-healthy polyphenols in extra virgin olive oil (EVOO), but a new study showed how to minimize this loss. Get the details in the ConsumerTips section of the Extra Virgin Olive Oil Review. Also see our Top Picks among extra virgin olive oils.
 Stevia vs. Sugar for Hunger Suppression (01/25/2020)
Stevia vs. Sugar for Hunger Suppression
How does the non-caloric sweetener stevia compare to sugar in suppressing hunger before a meal? Find out in our updated answer to the question: What are the health benefits of stevia? Is it safe?
 Coconut Oil Impact on Cholesterol (01/21/2020)
Coconut Oil Impact on Cholesterol
Coconut oil can significantly affect cholesterol levels according to a new report. Get the details in the Concerns and Cautions section of the Coconut & MCT Oils Review. Also see our Top Picks for coconut and MCT oils.
 Fish Oil & Fertility (01/21/2020)
Fish Oil & Fertility
Is there a relationship between taking fish oil and sperm count? See what a recent study in men found in the What It Does section of the Fish Oil Review. Also see our Top Picks for fish oil.
 Fish Oils Not Equal on Cardio Benefit (01/18/2020)
Fish Oils Not Equal on Cardio Benefit
High-dose, highly-concentrated fish oil is known to lower triglycerides in people with elevated levels. One prescription product was even shown to lower the risk of cardiovascular events in such people. However, a clinical trial of another fish oil was recently stopped due to its low likelihood of providing this benefit. Learn how these products differ and how fish oil supplements compare to them in the Prescription Fish Oil vs. Supplements section of the Fish Oil Review. Also see our Top Picks for fish oil and other marine omega-3 supplements.
 PQQ for Athletic Endurance? (01/18/2020)
PQQ for Athletic Endurance?
We've added information from a recent study of PQQ for athletic endurance to our answer to the question: What is PQQ? Does it help with aging and memory? Is it similar to CoQ10?
 Magnesium for Leg Cramps? (01/14/2020)
Magnesium for Leg Cramps?
Magnesium if often touted for treating leg cramps. Does it really work? See what studies have shown, including a recent study among pregnant women, in the What It Does section of the Magnesium Supplements Review. Also see our Top Picks for magnesium.
 Tea & Heart Disease (01/14/2020)
Tea & Heart Disease
Another study shows that people who drink tea are less likely to suffer from cardiovascular disease. Find out how much and what type of tea was associated with benefits in the Cardiovascular disease section of the Green Tea Review. Also see our Top Picks for green tea.
 Vitamin D & Bone Density (01/14/2020)
Vitamin D & Bone Density
Does taking vitamin D improve bone mineral density in older men and women who are not deficient in vitamin D? See what a major study found in the Bones and fractures section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Collagen vs. Whey for Muscle (01/12/2020)
Collagen vs. Whey for Muscle
Does taking collagen protein increase muscle as well as whey protein? Find out what a recent study showed in the "Building Muscle" sections of both the Protein Powders Review and the Collagen Supplements Review. Also see our Top Picks for protein powders and Top Picks for collagen.
 Concern With Ashwagandha (01/12/2020)
Concern With Ashwagandha
Ashwagandha can increase thyroid hormone levels, resulting in thyroid toxicity, even in people without a history of thyroid disease. Read about a recent case and learn symptoms to look for in the Concerns and Cautions section of the Ashwagandha Supplements Review. Also see our Top Pick among ashwagandha supplements.
 Risk With Supplements During Chemotherapy (01/11/2020)
Risk With Supplements During Chemotherapy
The risk of cancer recurrence and risk of death were shown to be higher when certain supplements were used by women being treated for breast cancer, according to a recent study. We’ve add details about this to our answer to the question: Do any supplements reduce side of effects of chemotherapy?
 Eggshell Membrane for Hair, Skin, Nails? (01/07/2020)
Eggshell Membrane for Hair, Skin, Nails?
Does supplementing with eggshell membrane (which contains collagen and elastin) improve hair, skin, or nails? See what a recent study found in the What It Does section of the Collagen Supplements Review. Also see our Top Picks among collagen supplements.
 When to Eat Protein (01/07/2020)
When to Eat Protein
The timing of protein intake during the day was associated with greater reductions in abdominal fat and BMI (body mass index) among people engaged in exercise programs in a recent study. The timing of protein intake can also improve the likelihood of muscular benefits. For details, see the When to Take section of the Protein Powders and Drinks Review. Also see our Top Picks among protein products.
 Zinc and Folate for Infertility? (01/07/2020)
Zinc and Folate for Infertility?
Did supplementing with zinc and folate improve semen quality and fertility for men in a recent study? Find out in the What It Does section of the Zinc Supplements Review. Also see our Top Picks among zinc supplements.
 Tart Cherry for Gout? (01/07/2020)
Tart Cherry for Gout?
A clinical trial checked whether or not tart cherry would reduce the number of flare-ups in people with gout. Find out if it helped in our answer to the question: What are the health benefits of tart cherry juice?
 Curcumin for Blood Sugar Control? (01/04/2020)
Curcumin for Blood Sugar Control?
Preliminary research suggests that curcumin (from turmeric) taken with meals can reduce the increases in blood sugar and insulin levels that occur after eating. But does curcumin help people with pre-existing type 2 diabetes? See what a recent study found in the What It Does section of the Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks among turmeric and curcumin products.
 Foods That May Help Sleep (01/04/2020)
Foods That May Help Sleep
In addition to supplements like melatonin that can aid sleep, certain foods are associated with reduced risk of insomnia. We've added information about this to our answer to the question: Which supplements can help me sleep?
 CBD Cream for Pain? (01/03/2020)
CBD Cream for Pain?
People suffering peripheral neuropathy in their legs and feet applied CBD cream or placebo for one month. Did it help? Find out in the Topical CBD section of our CBD Review. Also see our Top Picks among creams, oils, and other CBD products.
2019 Fish Oil Approved for Elevated Triglycerides (12/17/2019)
Fish Oil Approved for Elevated Triglycerides
A highly concentrated fish oil that was originally approved only for treating very high triglycerides has been further approved by the FDA to treat lower, but still elevated, triglycerides if cardiovascular risk factors are present. For details see the Prescription Fish Oil vs. Supplements section of the Fish Oil Supplements Review. Also see our Top Picks for fish oils, including highly concentrated fish oil.
 Fish Oil for ADHD? (12/17/2019)
Fish Oil for ADHD?
Evidence is emerging that some ADHD patients may derive limited benefits from supplementing with omega-3 fatty acids. Get the details in the ADHD section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.
 Green Tea and Breast Cancer Risk (12/17/2019)
Green Tea and Breast Cancer Risk
Is there a relationship between green tea consumption and breast cancer risk? Learn what a large recent study showed in the Cancer Prevention section of the Green Tea Review. Also see our Top Picks for green tea -- including brewable green tea (from bags and loose tea) and green tea drinks.
 What Happens With Too Much Vitamin D (12/17/2019)
What Happens With Too Much Vitamin D
A 50-year-old woman learned the hard way about the risks of taking far too much vitamin D. If you take a very high dose of vitamin D, be aware of the symptoms of vitamin D toxicity, as explained in the Concerns and Cautions section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 B12 & the Vegetarian (12/14/2019)
B12 & the Vegetarian
Vegetarians and vegans are susceptible to vitamin B12 deficiency, which can be manifest by a range of health issues, including low blood pressure, as recently reported in an otherwise healthy young man. Learn more in the B12 section of the B Vitamin Supplements Review. Also see our Top Pick for vitamin B12.
 Heart Disease & Magnesium (12/14/2019)
Heart Disease & Magnesium
Women with the lowest daily intakes of magnesium were found to have the highest risk of fatal coronary heart disease in a recent study, which is consistent with other studies of magnesium and heart health. See the What It Does section of the Magnesium Supplements Review for details about this association. Also see our Top Picks among magnesium supplements.
 High-Dose Vitamin D for the Critically Ill? (12/14/2019)
High-Dose Vitamin D for the Critically Ill?
Critically ill patients with vitamin D deficiency were given an extremely high dose of vitamin D to see if it would reduce deaths. Find out if it helped in the How Much Do You Need and How Much is Too Much? section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.
 SAMe for Depression? (12/14/2019)
SAMe for Depression?
SAMe (S-adenosyl-methionine) may help some, but not all, people with major depressive disorder, according to a recent study. For details, see the What It Does section of the SAMe Supplements Review. Also see our Top Picks for SAMe.
 Huperzine A for Memory? (12/10/2019)
Huperzine A for Memory?
Huperzine A is often touted as a memory-enhancing supplement. Find out if it helped in a recent study of people with traumatic brain injuries in the What It Does section of the Huperzine A Supplements Review. Also see our top choice for Huperzine A.
 Kava for Anxiety? (12/10/2019)
Kava for Anxiety?
See the results of a recent study with kava in our updated answer to the question: What are the best supplements for depression and anxiety?
 Eggshell Membrane for Joints? (12/07/2019)
Eggshell Membrane for Joints?
Eggshell membrane hydrolysates, which naturally contain collagen, have been used in clinical studies to treat joint pain. Find out if they work in the Joint section of the Collagen Supplements Review. Also see our Top Picks for collagen.
 Glucosamine & Chondroitin -- How They May Work (12/07/2019)
Glucosamine & Chondroitin -- How They May Work
A recent study suggests that one way glucosamine and chondroitin may work is through the gut. For details, see the What It Does section of the Joint Health Supplements Review (Glucosamine, Chondroitin, MSM and Boswellia). Also see our Top Picks among products.
 Vitamin D & Muscle (12/07/2019)
Vitamin D & Muscle
If you are looking to increase muscle mass, make sure you're getting adequate vitamin D. Raising deficient levels has been shown to increase muscle in seniors, and more recently, in men and women in their 40s. For details see the Muscle, balance and falls section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Choline to Avoid? (12/03/2019)
Choline to Avoid?
A recent study found that a particular form of choline is not well absorbed. It may also have detrimental effects. For details, see the Concerns and Cautions section of the Choline Supplements Review. Also see our Top Pick among choline supplements.
 Vitamin C and Kidney Damage (12/03/2019)
Vitamin C and Kidney Damage
High doses of vitamin C have been reported to cause a form of kidney damage, although this is more common in people with certain pre-existing medical conditions. For details, see the Concerns and Cautions section of the Vitamin C Supplements Review. Also see our Top Picks for vitamin C supplements.
 Garcinia Concern (12/03/2019)
Garcinia Concern
Another case of liver failure associated with the use of Garcinia cambogia has been reported. For details, see the Concerns and Cautions section of the Garcinia Cambogia Supplements Review.
 A Better Form of Creatine? (11/29/2019)
A Better Form of Creatine?
A relatively new form of creatine may raise creatine levels in the blood and muscle more effectively than the most common form (creatine monohydrate), but it has drawbacks. Learn more in the ConsumerTips section of the Muscle & Workout Supplements Review. Also see our Top Picks for creatine.
 B Vitamins for Cognition (11/29/2019)
B Vitamins for Cognition
Increasing vitamin B-12 intake by those deficient in B-12 can help slow age-related declines in memory and cognition, but the dose needs to be sufficient, as suggested by a recent study. For details see the Memory, Cognition, and Alzheimer's Disease section of the B Vitamin Supplements Review. Also see our Top Picks for B-12 and other B Vitamins.
 Fish Oil & Colon Cancer (11/26/2019)
Fish Oil & Colon Cancer
There is new evidence that taking fish oil may reduce the risk of colorectal cancer for certain people. For details see the Cancer section of the Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements and other marine sources of omega-3s.
 Magnesium-L-Threonate for Memory? (11/23/2019)
Magnesium-L-Threonate for Memory?
What is the evidence that a special form of magnesium helps people with memory and concentration impairment? Find out in the Dementia and cognition section of the Magnesium Supplements Review. Also see our Top Picks among magnesium supplements.
 Fish Oil Can Reduce Cognitive Decline (11/19/2019)
Fish Oil Can Reduce Cognitive Decline
Another study has shown that supplementing with high-dose omega-3 fatty acids from fish oil can reduce cognitive decline in certain people. For details, see the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks among fish oils.
 Magnesium for Memory (11/19/2019)
Magnesium for Memory
There is growing evidence that getting the right amount of magnesium reduces the risk of developing cognitive decline and dementia. For details, including results of a new study, see the Dementia and cognition section of the Magnesium Supplements Review. Also see our Top Pick among magnesium supplements.
 When Protein Won't Help (11/19/2019)
When Protein Won't Help
Supplementing with protein can help build and maintain muscle mass, but there are times when it won’t help, as demonstrated in a recent study. For details see the Building and maintaining muscle mass section of the Protein Powders Review. Also see our Top Picks for protein supplements.
 Be Careful With Iron (11/16/2019)
Be Careful With Iron
Iron supplements can be hard on the stomach, but be aware that very high doses may actually cause erosions and ulcers. Certain formulations are less likely to cause this problem. For details, see the Concerns and Cautions section of the Iron Supplements Review. Also see our Top Picks among iron supplements.
 Concern With Ginkgo (11/16/2019)
Concern With Ginkgo
The use of Ginkgo biloba has been associated with an electrolyte imbalance. For details, see the Concerns and Cautions section of the Ginkgo Supplements Review. Also see our Top Pick for Ginkgo.
 Supplement for Pain? (11/16/2019)
Supplement for Pain?
A recent study gave a modest daily dose of CBD to people with chronic pain who were taking opioid medication to see if it reduced their pain and need for medication. See the results in the What It Does section of the Review. Also see our Top Picks among products.
 Fish Oil Plus Statins for High Triglycerides (11/15/2019)
Fish Oil Plus Statins for High Triglycerides
This week an FDA panel recommended that a prescription fish oil be approved for use with statins in people with high triglycerides. Get the details and see how fish oil supplements compare in the Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements.
 Help for Jaw Pain? (11/12/2019)
Help for Jaw Pain?
Can CBD ointment relax and reduce pain in the jaw muscles of people who grind their teeth? See what a recent clinical study found in the What It Does section of the CBD and Hemp Extract Review. Also see our Top Picks among products.
 A Chew for UTIs? (11/12/2019)
A Chew for UTIs?
A study investigated whether a cranberry chew could inhibit infection-causing bacteria from binding to cells (which is necessary for urinary tract infections to occur) by testing participants' urine. Find out if it worked in our answer to the following question: Can cranberry juice or cranberry supplements prevent urinary tract infections (UTIs)?
 Green Tea & Stroke (11/12/2019)
Green Tea & Stroke
Studies have found green tea consumption to be associated with a decreased risk of stroke. However, a recent study found this to be the case for only for one gender. For details, see the What It Does section of the Green Tea Review. Also see our Top Picks for green tea.
 Platelet Concern With High-dose Niacin (11/11/2019)
Platelet Concern With High-dose Niacin
Long-term use of high-dose niacin may lower platelet counts. Learn more in the Niacin section of the B Vitamin Supplements Review.
 Supplement for Social Anxiety? (11/09/2019)
Supplement for Social Anxiety?
High-dose CBD was given to teenagers with social anxiety. Learn what happened in the Anxiety, PTSD, and Sleep section of the CBD and Hemp Extract Review. Also see our Top Pick among products.
 CoQ10 for Statin-Intolerance (11/09/2019)
CoQ10 for Statin-Intolerance
Many people experience muscle pain from taking cholesterol-lowering statin drugs. CoQ10 can help reduce this pain, according to a new study. Get the details in the What It Does section of the CoQ10 Supplements Review. Also see our Top Picks among CoQ10 supplements.
 Choline Concern (11/09/2019)
Choline Concern
A large study found that people with higher intakes of choline from their diets had a higher risk of death, specifically cardiovascular death, than people with lower choline intakes. Should you be concerned? See the Concerns and Cautions section of the Choline Supplements Review.
 Eye Risk With High-Dose Niacin (11/01/2019)
Eye Risk With High-Dose Niacin
Very high doses of niacin are sometimes used to lower high cholesterol, but there are risks -- including damage to the eye, as shown in a recent case. Get the details in the Niacin section of the B Vitamin Supplements Review.
 Liver Toxicity With Turmeric/Curcumin (10/30/2019)
Liver Toxicity With Turmeric/Curcumin
Several cases of liver toxicity from turmeric and curcumin supplements have been reported. For details, and the latest case, see the Concerns and Cautions section of the Turmeric and Curcumin Supplements Review.
 CBD Safe for Pets? (10/26/2019)
CBD Safe for Pets?
A recent study evaluated the safety of giving CBD to dogs and cats. See the results in the Pets section of our CBD and Hemp Extracts Review. Also see our Top Picks among products for pets as well as for people.
 Pycnogenol for Raynaud's? (10/26/2019)
Pycnogenol for Raynaud's?
A new study investigated whether Pycnogenol can help treat Raynaud’s phenomenon, a condition in which hands become painful and discolored when exposed to cold temperatures. Find out if it helped in the update to the question: What is Pycnogenol and does it work?
 Caution With Elderberry (10/24/2019)
Caution With Elderberry
Although rare, a case of acute pancreatitis was reported after the use of a popular elderberry extract supplement. Get the details in our updated answer to the question: Do any supplements help prevent or treat a cold?
 Does Magnesium Reduce Exercise Soreness? (10/22/2019)
Does Magnesium Reduce Exercise Soreness?
Can taking magnesium reduce muscle soreness after exercise? See what a new study found in the What It Does section of the Magnesium Supplements Review. Also see our Top Picks for magnesium supplements.
 Milk Thistle Interaction (10/22/2019)
Milk Thistle Interaction
Milk thistle may interact with certain drugs, as noted in a recent case report. For details see the Concerns and Cautions section of the Milk Thistle Supplements Review. Also see our Top Picks for milk thistle.
 Should Women Take Calcium? (10/22/2019)
Should Women Take Calcium?
Do women reduce bone loss and the risk of fractures if they take a calcium supplement? See what a recent study showed in the What It Does section of the Calcium Supplements Review. Also see our Top Picks for calcium supplements.
 Pill-Induced Esophagitis (10/19/2019)
Pill-Induced Esophagitis
Several cases of esophagitis have been reported from taking supplements, including a recent case involving l-arginine capsules. For details, including tips on how to safely take pills, see the Concerns and Cautions section of the L-Arginine Supplements Review. Also see our Top Picks for L-Arginine.
 How to Use Fish Oil for Depression (10/18/2019)
How to Use Fish Oil for Depression
Guidelines have been published for using fish oil to treat major depressive disorder. For details, see the Depression section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.
 Ashwagandha for Insomnia? (10/15/2019)
Ashwagandha for Insomnia?
Does ashwagandha help people with insomnia fall asleep and stay asleep? See what a new study showed in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.
 Vitamin D & Blood Sugar Control (10/15/2019)
Vitamin D & Blood Sugar Control
Maintaining moderate levels of vitamin D may aid blood sugar control, but, according to a recently published study, high-dose vitamin D supplementation may not help. For details, see the Diabetes, insulin resistance and glucose control section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Collagen Peptides vs. Gelatin (10/15/2019)
Collagen Peptides vs. Gelatin
It has been generally believed that amino acids are more bioavailable from hydrolyzed collagen (collagen peptides) than from gelatin (which is partially hydrolyzed collagen). A new study put this to the test. See what the researchers found in the What It Is section of the Collagen Supplements Review. Also see our Top Picks among collagen supplements.
 Black Seed Oil Concern (10/15/2019)
Black Seed Oil Concern
A key compound in black seed oil may interact with medications, causing side effects. For details, see the Safety section of our answer to a question about black seed oil.
 Lycopene for Male Fertility? (10/11/2019)
Lycopene for Male Fertility?
Read about the latest study to suggest that lycopene may improve sperm health in the What It Does section of the Lycopene Supplements Review. Also see our Top Pick for lycopene.
 Eggshell Membrane for Bad Knees? (10/11/2019)
Eggshell Membrane for Bad Knees?
Eggshell membrane, which naturally contains collagen, was tested as a supplement to improve knee pain, stiffness, and function. Find out if it worked in the Joint Pain section of the Collagen Supplements Review. Also see our Top Picks for collagen.
 Risk from Reusing Plastic Water Bottles (10/11/2019)
Risk from Reusing Plastic Water Bottles
Repeatedly opening and closing plastic water bottles can pose a risk, according to a new study. Get the details in our updated answer to the question: Is it true that there are bits of plastic in drinking water and specialty salts? How concerned should I be?
 Fish Oil to Improve Cognition? (10/08/2019)
Fish Oil to Improve Cognition?
See the results of the most recent study of fish oil to improve memory and cognition in the Memory Enhancement section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.
 Caution With Probiotic & Surgery (10/08/2019)
Caution With Probiotic & Surgery
Use of a popular probiotic around the time of abdominal surgery increased the rate of re-admission to the hospital after surgery, according to a recent study. For details, see the What It Does section of the Probiotic Supplements Review. Also see our Top Picks for probiotics.
 Does CBD Convert to THC in the Body? (10/08/2019)
Does CBD Convert to THC in the Body?
Laboratory studies have raised concerns that CBD could convert to THC (a psychoactive compound in cannabis) after ingestion. A recent study put this to the test in people. See what happened in the What To Consider When Buying and Using section of the CBD Oil and Hemp Extracts Review. Also see our Top Picks among products.
 Melatonin & Post-Op Delirium (10/08/2019)
Melatonin & Post-Op Delirium
Reduced melatonin levels following surgery have been implicated in the development of post-operative delirium. But does taking melatonin around the time of surgery reduce this risk? Find out in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.
 Better Memory With Lutein? (10/05/2019)
Better Memory With Lutein?
Lutein is often taken as a supplement to slow the progression of age-related macular degeneration. However, a study in college students suggests that supplementation with lutein may also improve aspects of memory and cognitive functioning. For details, see the What It Does section of our Vision Supplements Review.
 Extra Protein During Chemotherapy? (10/05/2019)
Extra Protein During Chemotherapy?
Is taking extra whey protein during chemotherapy helpful to malnourished cancer patients? Learn what a study found in the What It Does section of the Protein Powders, Shakes, and Drinks Review. Also see our Top Picks among protein powders.
 L-Theanine for Sleep and Cognition? (10/05/2019)
L-Theanine for Sleep and Cognition?
Several studies have evaluated whether a single dose of L-theanine (found in green tea) can reduce stress and anxiety. A new study has evaluated the effect of L-theanine when taken daily for several weeks. See the results in the What It Does section of the L-Theanine Supplements Review. Also see our top choices for L-Theanine.
 Probiotic for Cold Symptoms and Gas (10/01/2019)
Probiotic for Cold Symptoms and Gas
A study found that a particular probiotic strain reduced symptoms of upper respiratory infections, as well as gas, in children. For details see the Colds and acute respiratory infections section as well as the Bloating, gas, and abdominal pain section of the Probiotic Supplements Review. Also see our Top Picks for probiotics and kombucha.
 Microplastics in Tea (10/01/2019)
Microplastics in Tea
A new study found that brewing tea with certain tea bags can release a large amount of microplastics into the liquid. For details, see the Brewing section of our Green Tea Review. Also see our Top Picks among green tea products.
 Vitamin D and Risk of Cancer Death (10/01/2019)
Vitamin D and Risk of Cancer Death
Are you more likely to survive colorectal cancer if you have higher blood levels of vitamin D? Find out in the Cancer section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Dark Chocolate for Vision Improvement? (09/28/2019)
Dark Chocolate for Vision Improvement?
Does consuming flavanol-rich dark chocolate improve visual acuity? See what a recent study found in the Vision section of the Cocoas and Dark Chocolates Review. Also see our Top Picks for dark chocolate, cocoa powder, and nibs.
 Who's Not Getting Enough Protein? (09/28/2019)
Who's Not Getting Enough Protein?
A recent study among older Americans identified groups that are not getting enough protein. Find out who's not getting enough protein in the What It Does section of the Protein Powders and Drinks Review. Also see our Top Picks among protein products.
 Does Green Tea Prevent Cognitive Decline? (09/24/2019)
Does Green Tea Prevent Cognitive Decline?
Does drinking green tea reduce the risk of cognitive decline and, if so, how much do you have to drink? A multi-year study addressed this question. See the results in the Memory and Cognition section of the Green Tea Review. Also see our Top Picks for green tea.
 Vitamin D Sprays (09/24/2019)
Vitamin D Sprays
Are oral vitamin D sprays better than vitamin D capsules? Find out what studies are showing in the Oral Sprays section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Lead in Turmeric (09/24/2019)
Lead in Turmeric
A new report reveals that in some parts of the world where turmeric is grown, lead is being intentionally added. Find out where and why in the Quality Concerns section of the Turmeric and Curcumin Review. ConsumerLab tests all turmeric root powder products for lead and other heavy metals.
 Probiotic for the Urinary Tract? (09/21/2019)
Probiotic for the Urinary Tract?
Does taking a popular double-strain probiotic reduce the level of pathogenic microbes in the urinary tracts of women? See what a recent study found in the section about Vaginal bacterial infections of the Probiotic Supplements Review. Also see our Top Picks among probiotics.
 Vitamin B12 & Sleepiness (09/21/2019)
Vitamin B12 & Sleepiness
Vitamin B12 deficiency can cause a range of symptoms and, although rare, excessive daytime sleepiness is among them. Get the details about this, as well as information about other symptoms of B12 deficiency, in the B12 section of the B Vitamins Supplements Review. Also see our Top Pick for vitamin B12.
 Ashwagandha for Stress and Anxiety (09/17/2019)
Ashwagandha for Stress and Anxiety
Can ashwagandha decrease symptoms of anxiety and lower levels of a stress hormone? See what a new study found in the Anxiety, Stress and Insomnia section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.
 Fish Oil in Pregnancy? (09/17/2019)
Fish Oil in Pregnancy?
Several studies have evaluated the effects of taking fish oil during pregnancy, including a recent study seeking a reduction in premature births. Find out if fish oil helps in the During Pregnancy: Effects on Children section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.
 Omega-3s for Cognition? (09/17/2019)
Omega-3s for Cognition?
Several studies have attempted to boost cognition and memory in healthy people using omega-3 supplements from fish or krill oil. Find out if they succeeded, including a recent study among adolescents, in the Memory Enhancement in Healthy Individuals section of the Fish Oil Supplements Review. Also see our Top Picks among products.
 Apple Cider Vinegar for Type 2 Diabetes? (09/10/2019)
Apple Cider Vinegar for Type 2 Diabetes?
Studies have shown that taking apple cider vinegar with or before a meal can reduce the subsequent rise in blood sugar. But does apple cider vinegar improve insulin sensitivity in people with type 2 diabetes? Find out what a recent study showed in the Blood Sugar Control section of the Apple Cider Vinegar Review. Also see our Top Picks for apple cider vinegar.
 Best Supplement for Depression (09/10/2019)
Best Supplement for Depression
Which supplement has the strongest evidence of benefit for treating mental disorders? The answer is a particular form of fish oil to treat depression, according to a new analysis. For details, see the Depression section of the Fish Oil Supplements Review. Also see our Top Picks among products.
 Ginger for Migraine? (09/10/2019)
Ginger for Migraine?
Can ginger reduce the frequency or severity of migraines? See what a new study found in the Migraine section of the Ginger Supplements Review. Also see our Top Picks for ginger supplements.
 Probiotic to Trim Belly Fat? (09/07/2019)
Probiotic to Trim Belly Fat?
Can a probiotic reduce abdominal fat? See what studies are showing, including the latest surprising results, in the Weight section of the Probiotic Supplements Review. Also see our Top Picks for probiotic supplements.
 Vegetarian Chondroitin for Knee Pain? (09/07/2019)
Vegetarian Chondroitin for Knee Pain?
Can "vegetarian" chondroitin reduce knee pain and improve mobility? See what a recent study found in the What It Does section of the Joint Health Supplements Review. Also see our Top Picks for glucosamine and chondroitin supplements.
 CBD Missing in Some Products (09/07/2019)
CBD Missing in Some Products
A class action lawsuit was filed against a popular brand after independent tests showed its products to contain much less CBD than listed. See the Quality Concerns section of the Review for details.
 Curcumin and Crohn's Disease (09/03/2019)
Curcumin and Crohn's Disease
Can curcumin help prevent recurrence in people with Crohn's disease? See what a recent study found, plus the evidence for curcumin in other conditions, in the What It Does section of the Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks for turmeric and curcumin supplements and spices.
 Collagen for Wrinkles? (09/03/2019)
Collagen for Wrinkles?
A new study put a popular branded collagen ingredient to the test, measuring its effects on collagen content in the skin and on facial wrinkles, including wrinkles around the eyes. See the results in our updated answer to the question: Do collagen or hyaluronic acid supplements really help aging or wrinkled skin?
 Glucosamine for Hand Osteoarthritis? (08/30/2019)
Glucosamine for Hand Osteoarthritis?
A new study suggests that glucosamine may help people with hand osteoarthritis. Get the details in the What It Does section of the Joint Health Supplements Review. Also see our Top Picks for joint health supplements.
 Microplastics in Food and Water (08/30/2019)
Microplastics in Food and Water
How many microplastic particles do we consume each year from our food and water? Find out in the updated answer to the question: Do water filters remove microplastics from tap water?
 Can Yogurt Reduce Diabetes Risk? (08/29/2019)
Can Yogurt Reduce Diabetes Risk?
Increasing yogurt intake, particularly in place of certain other dairy foods, may decrease the risk of developing type 2 diabetes. For details about this and other effects of yogurt, see the Fermented Dairy Foods section of the Probiotics Supplements Review. Also see our Top Picks for probiotics.
 CBD Questioned for Epilepsy (08/27/2019)
CBD Questioned for Epilepsy
Although CBD has been approved in the U.S. for treating seizures associated with rare forms of epilepsy, a review in Europe raised concerns. For details see the What It Does section of the CBD Oils and Hemp Extracts Review. Also see our Top Picks among products.
 Effect of High-Dose Vitamin D on Bones (08/27/2019)
Effect of High-Dose Vitamin D on Bones
A 3-year study among people with osteoporosis compared the effects of moderate vs. high doses of vitamin D on bone density and bone strength. The results may surprise you. Get the details in the How Much Do You Need and How Much is Too Much? section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.
 Whey Protein for Muscle Gain and Fat Loss? (08/27/2019)
Whey Protein for Muscle Gain and Fat Loss?
Did drinking whey protein after resistance exercise help prevent muscle loss and reduce body fat in obese women? See what a recent study found in the Building and maintaining muscle section of the Protein Powders, Shakes and Drinks Review. Also see our Top Picks for protein powders and shakes.
 A Better CBD? (08/22/2019)
A Better CBD?
A formulation of CBD was shown to increase CBD levels in the blood significantly more than the same amount of CBD in oil. But is this any better than simply taking regular CBD with a meal? Find out in the How to Take section of the CBD Oils and Hemp Extracts Review. Also see our Top Picks among products.
 Omega-3s for Lowering Triglycerides (08/21/2019)
Omega-3s for Lowering Triglycerides
Elevated triglycerides ("hypertriglyceridemia") is increasingly common in the US. High-dose omega-3s from fish oil can help, and the American Heart Association recently updated its advice about this. For details, and to learn how prescription omega-3 compares to supplements, see the Dosage section of the Fish Oil Supplements Review. Also see our Top Picks for fish oils, including highly concentrated fish oils.
 Turmeric for Knee Pain (08/20/2019)
Turmeric for Knee Pain
Several short-term studies have shown moderate benefit with turmeric extracts. Get the details, including results of a recent study, in the What It Does section of the Turmeric & Curcumin Supplements and Spices Review. Also see our Top Picks among products.
 Do Probiotics Help With Bone Facture? (08/17/2019)
Do Probiotics Help With Bone Facture?
Can taking a probiotic improve recovery from bone fracture in older people? See what a recent study found in the Bone Density and Fractures section of the Probiotic Supplements Review. Also see our Top Picks for probiotics.
 Green Tea and Blood Sugar (08/17/2019)
Green Tea and Blood Sugar
Can drinking green tea reduce the rise in blood sugar after a meal, and if so, is the effect greater in the morning or evening? See what a new study found in the What It Does section of the Green Tea Review. Also see our tests and Top Picks among green tea supplements, and brewable and bottled teas.
 Extra Virgin Olive Oil and Fatty Liver Disease (08/13/2019)
Extra Virgin Olive Oil and Fatty Liver Disease
Can consuming a Mediterranean diet enriched with extra-virgin olive oil decrease the incidence of non-alcoholic fatty liver disease? See what a new study found in the What It Does section of the Extra Virgin Olive Oil Review. Also see our tests and Top Picks among extra virgin olive oils.
 Folic Acid and Colon Cancer (08/13/2019)
Folic Acid and Colon Cancer
Several studies have evaluated whether folate from food and/or folic acid from supplements affect cancer risk. Find out what a recent report suggests about long-term, high-dose folic acid supplementation in the Folate section of the B Vitamin Supplements Review. Also see our Top Picks for folic acid and other B vitamin supplements.
 Vitamin D for Breast Cancer? (08/13/2019)
Vitamin D for Breast Cancer?
Some evidence suggests that having higher blood levels of vitamin D lowers the risk of breast cancer. Can very high-dose vitamin D slow tumor growth in women with breast cancer? See what a new study found in the Cancer section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.
 CoQ10 for Fibromyalgia? (08/10/2019)
CoQ10 for Fibromyalgia?
A recent study evaluated whether CoQ10 improved symptoms in patients with fibromyalgia when added to standard prescription treatment with pregabalin (Lyrica). See the results, and learn more about what CoQ10 can and cannot do in the What It Does section of the CoQ10 and Ubiquinol Supplements Review. Also see our Top Picks for CoQ10 and ubiquinol.
 Vitamin D During Pregnancy (08/09/2019)
Vitamin D During Pregnancy
Does giving expectant mothers a high dose of vitamin D reduce the risk of tooth defects in their children? Find out in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Vitamin A and Skin Cancer (08/06/2019)
Vitamin A and Skin Cancer
A study showed that people with higher intakes of vitamin A have a lower risk of developing squamous cell cancer of the skin. Does mean that taking a vitamin A supplement will help? Find out in the What It Does section of the Vitamin A Supplements Review, where we also discuss the risk of melanoma. (Also see our Top Picks for vitamin A supplements.)
 Coconut Oil In Coffee? (08/03/2019)
Coconut Oil In Coffee?
Does adding coconut oil to caffeinated coffee boost physical performance? Find out what a recent study showed in the Sports Performance section of the Coconut Oil and MCT Oil Review. Also see our Top Picks among tested coconut and MCT oils.
 Saw Palmetto for Prostate? (08/03/2019)
Saw Palmetto for Prostate?
A recent clinical study is the latest to evaluate the potential benefit of saw palmetto in reducing symptoms of benign prostatic hypertrophy (BPH) in men. Find out what this, and previous studies, have shown in the What It Does section of the Prostate Supplements Review. Also see our Top Picks for saw palmetto and beta-sitosterol supplements.
 Vitamin D & Diabetes (08/03/2019)
Vitamin D & Diabetes
Vitamin D supplementation can improve insulin sensitivity in some people at risk for type 2 diabetes according to a recent clinical study. For details about this, as well as related research, see the Diabetes, insulin resistance and glucose control section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Concerns With Colloidal Silver (08/03/2019)
Concerns With Colloidal Silver
Consuming colloidal silver may affect the eyes and cause a type of vasculitis, according to recently published reports. Get the details in our answer to the question: Is ingesting colloidal silver helpful for any condition and is it safe to use?
 Dark Chocolate & Depression? (07/31/2019)
Dark Chocolate & Depression?
Are people who consume dark chocolate less likely to be depressed? Find out what a recent study showed in the Mood and Stress section of the Dark Chocolates and Cocoa Powders Review. Also see our Top Picks for dark chocolates and cocoa powders.
 Fresh vs. Powdered Turmeric (07/31/2019)
Fresh vs. Powdered Turmeric
When adding turmeric to your meal, do you absorb more curcumin from freshly grated turmeric or turmeric powder? And how do these compare to curcumin powder? Learn the surprising answer in the What to Consider When Buying and Using section of the Turmeric and Curcumin Review. Also see our Top Picks for turmeric and curcumin.
 Beetroot Juice for Raynaud's? (07/31/2019)
Beetroot Juice for Raynaud's?
Does drinking beetroot juice daily reduce symptoms of Raynaud's phenomenon? Learn what a recent study found in our answer to the question: Which supplements help with Raynaud's phenomenon?
 Vitamin D for Allergies? (07/27/2019)
Vitamin D for Allergies?
If you already take an antihistamine for allergies, will adding vitamin D provide further benefit? Find out what a recent study showed in the What It Does: Allergies section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D among products.
 Vitamin D for Depression? (07/27/2019)
Vitamin D for Depression?
Low blood levels of vitamin D are associated with a higher risk of depression. But does taking vitamin D reduce this risk or improve mood in depressed people? Find out what recent studies have shown in the What It Does: Depression section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D among products.
 MCT Oil for Strength? (07/26/2019)
MCT Oil for Strength?
Does adding MCTs (medium chain triglycerides) to the diets of elderly people enhance the benefit they get from exercise? See what a recently published study found in the What It Does: Muscle Strength and Function section of the Coconut Oil and MCT Oil Supplements Review. Also see our Top Picks for coconut and MCT oils.
 Apple Cider Vinegar for Eczema? (07/23/2019)
Apple Cider Vinegar for Eczema?
A study recently tested whether soaking skin in diluted apple cider vinegar would improve skin integrity in people with eczema (atopic dermatitis). See the results in the What It Does section of Apple Cider Vinegar Review. Also see our Top Picks among the products we've tested.
 Arginine for Men? (07/23/2019)
Arginine for Men?
Does daily arginine supplementation enhance the effect of a popular prescription medication for men? See what a recent study found in the What It Does section of the L-Arginine Supplements Review. Also see our Top Picks for arginine.
 Extra Virgin Olive Oil and Diabetes (07/23/2019)
Extra Virgin Olive Oil and Diabetes
Several studies have looked at the effects of consuming extra virgin olive oil on improving blood sugar control. The most recent study looked at whether it could delay the need for glucose-lowering medication in people with type 2 diabetes. Get the results in the What It Does section of the Extra Virgin Olive Oils Review. Also see our Top Picks among products.
 CBD Interactions (07/20/2019)
CBD Interactions
CBD can interact with many medications, and we've just added more to the list based on a recently published review of CBD safety. Learn more in the Concerns and Cautions section of the CBD Oils and Hemp Extracts Review. Also see our Top Picks among products.
 Is Niagen Safe? (07/20/2019)
Is Niagen Safe?
Niagen (nicotinamide riboside) was recently studied for its safety and ability to raise NAD+ in the body. See the results and learn more about this form of niacin (which is also in the product Basis) in the Niacin section of the B Vitamin Supplements Review. Also see our Top Picks for niacin and other B vitamin supplements.
 Zinc for Canker Sores? (07/20/2019)
Zinc for Canker Sores?
We've added information about zinc to our answer to the question: Can lysine, vitamin B-12, or other vitamins or minerals help prevent or reduce canker sores?
 Is Methylfolate the Best Form of Folate? (07/16/2019)
Is Methylfolate the Best Form of Folate?
Methylfolate has been promoted as a better form of folate (vitamin B9), particularly for people with certain common genetic variations. A clinical study recently put methylfolate to the test against folic acid and folinic acid. The results were surprising. Get the details in the Folate section of the B Vitamin Supplements Review. Also see our Top Picks among folate and other B vitamin supplements.
 NAC for Parkinson's? (07/16/2019)
NAC for Parkinson's?
A recent, preliminary study suggested that NAC (N-acetyl-cysteine) given orally and intravenously improved symptoms in Parkinson’s disease patients. For details, see the What It Does section of the NAC Supplements Review. Also see our Top Picks for NAC as a powder, capsule, and tablet.
 Do Vitamin Patches Work? (07/16/2019)
Do Vitamin Patches Work?
We've added important new information to our answer to the question: Do Vitamin Patches Work?
 Has UC-II Collagen Changed? (07/16/2019)
Has UC-II Collagen Changed?
UC-II is an undenatured collagen that may reduce knee pain. However, one of the more recent studies reported that it contained much less collagen than reported in earlier studies. Has UC-II changed? Find out in our updated answer to the question: What is UC-II and does it help joints?
 Ginger's Blood-Thinning Effect (07/13/2019)
Ginger's Blood-Thinning Effect
If you supplement with ginger, be aware of its blood-thinning effect, as exemplified in a recent case report. For details, see the Concerns and Cautions section of the Ginger Supplements & Ales Review. Also see our Top Picks among products.
 Liver Toxicity With Turmeric (07/13/2019)
Liver Toxicity With Turmeric
Although uncommon, there are now several recent reports of liver toxicity associated with turmeric or curcumin supplements. Get the details in the Concerns and Cautions section of the Turmeric and Curcumin Supplements Review. Also see our Top Picks for turmeric and curcumin.
 Does Tart Cherry Improve Memory? (07/13/2019)
Does Tart Cherry Improve Memory?
Can tart cherry juice improve memory and cognitive function? See the results of a recent study in our full answer to the question: What are the benefits of tart cherry juice?
 Vitamin D for Depression? (07/09/2019)
Vitamin D for Depression?
Can supplementing with vitamin D help people who suffer from depression? Recent studies suggest it may benefit some. See the details in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Casein Peptides for Better Sleep? (07/06/2019)
Casein Peptides for Better Sleep?
People with difficulty sleeping were given a casein hydrolysate to see if it would help them sleep. Find out if it worked in the Casein section of the Protein Powders, Drinks and Shakes Review. Also see our Top Picks among casein and other protein products.
 Infection from Probiotic (07/06/2019)
Infection from Probiotic
Although rare, be aware that infections have occurred in some people due to the probiotics they have taken. For details about recent cases, see the Concerns and Cautions section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.
 Adding Fish Oil to Statins? (07/02/2019)
Adding Fish Oil to Statins?
Does adding high-dose fish oil help reduce triglycerides in people who already take statins? See the results of a new study in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks among fish oils.
 Best Way to Take CBD (07/02/2019)
Best Way to Take CBD
If you use CBD, it's important that you take it in a way that maximizes its absorption. To learn more, see the What to Consider When Using section of the CBD Oils and Hemp Extracts Review, where you'll also see results of a new study showing that how you take CBD may dramatically affect how long it remains in your body. Also see our Top Picks among products.
 Licorice Danger (07/02/2019)
Licorice Danger
A woman suffered a stroke after consuming a supplement for indigestion that contained a large dose of licorice. Get more details in our answer about licorice tea.
 Fish Oil Heart Claim (06/29/2019)
Fish Oil Heart Claim
You'll start seeing a new heart health claim on fish oil supplements as well as foods that provide the omega-3's EPA and DHA. While legal, the claim is a bit fishy. Get the details in the Fish Oil Supplements Review as well as the Canned Tuna and Salmon Review. Also see our Top Picks for fish oil supplements and canned fish.
 Popular Probiotic -- What's In a Name? (06/29/2019)
Popular Probiotic -- What's In a Name?
Does the popular probiotic VSL#3 contain a different formula than used in the clinical studies supporting its benefits? Find out in the What to Consider When Buying section of the Probiotics Supplements Review. Also see our Top Picks for probiotic supplements.
 Prebiotic for Insulin Sensitivity (06/25/2019)
Prebiotic for Insulin Sensitivity
Does consuming a prebiotic improve insulin sensitivity in overweight people? See what a study recently found in the All About Prebiotics section of the Probiotic Supplements Review.
 CBD Interaction (06/22/2019)
CBD Interaction
Taking CBD along with anti-seizure medication was recently reported to raise blood levels of the medication by as much as 280%. CBD can interact with many medications. For details, see the Concerns and Cautions section of the CBD Oils and Hemp Extracts Review. Also see our Top Picks among products.
 Yogurt and Colorectal Cancer (06/22/2019)
Yogurt and Colorectal Cancer
Does regular consumption of yogurt affect the risk of colorectal polyps and colorectal cancer? Find out what studies are showing in the Fermented Dairy Foods section of the Probiotic Supplements Review.
 Vitamins Needed by Pregnant Women (06/22/2019)
Vitamins Needed by Pregnant Women
A recent analysis of nutrient intakes by pregnant women across the U.S. revealed the vitamins and minerals they were getting too much or too little of. Get the details in the Prenatal section of the Multivitamins Review, which includes our tests of prenatal supplements.
 NAD+ and Cancer? (06/19/2019)
NAD+ and Cancer?
Supplements that raise NAD+ levels in the body have been promoted for anti-aging effects. But there is a theoretical risk that they could stimulate cancerous cells, and a CL member reported this week that a supplement containing such an ingredient, nicotinamide riboside, appeared to increase his PSA level. Learn more in the Niacin section of the B Vitamin Supplements Review.
 Fish Oil for Heart Failure? (06/18/2019)
Fish Oil for Heart Failure?
Can taking fish oil improve heart function in people with chronic heart failure? See the results of a recent study (and find out what type of fish oil was used) in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks for fish oils.
 Melatonin for PCOS? (06/18/2019)
Melatonin for PCOS?
Can melatonin help women who suffer from polycystic ovary syndrome (PCOS)? See what a recent study found in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.
 Cocoa & Physical Performance (06/15/2019)
Cocoa & Physical Performance
Can a cup of cocoa a day improve physical performance? See what a recent study found in the What It Does section of the Dark Chocolate and Cocoa Review. Also see our Top Picks for cocoa powders and dark chocolates.
 Tart Cherry for Soreness After Exercise? (06/15/2019)
Tart Cherry for Soreness After Exercise?
Can tart cherry juice improve muscle recovery and reduce soreness after exercise? See what a new study found in our update to the question: What are the benefits of tart cherry juice?
 Glyphosate in Cheerios (06/14/2019)
Glyphosate in Cheerios
A new report shows the amounts of the herbicide glyphosate in oat cereals, like Cheerios, and oat-based snacks. Should you be concerned? See our updated answer to the question: How concerned should I be about glyphosate in foods and supplements?
 Reaction to CoQ10 and Alpha-Lipoic Acid (06/12/2019)
Reaction to CoQ10 and Alpha-Lipoic Acid
An autoimmune syndrome possibly caused by CoQ10 was recently reported. It is similar to rare cases caused by alpha-lipoic acid. For details see the updates to the Concerns and Cautions sections of the CoQ10 and Alpha Lipoic Acid Reviews.
 Does Dark Chocolate Improve Mood? (06/11/2019)
Does Dark Chocolate Improve Mood?
A recent study evaluated whether eating dark chocolate improved mood and reduced levels of cortisol, a stress hormone. See the results in the What It Does section of the Dark Chocolate and Cocoa Review. Also see our Top Picks among products.
 Vitamin D for Diabetes Prevention (06/09/2019)
Vitamin D for Diabetes Prevention
Does high-dose vitamin D help prevent people with pre-diabetes from progressing to type 2 diabetes? See the results of a major new study in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Turmeric (Curcumin) and Fatty Liver Disease (06/08/2019)
Turmeric (Curcumin) and Fatty Liver Disease
Several studies suggest that curcumin supplements (from turmeric) may be helpful to people with non-alcoholic fatty liver disease. For details, see the What It Does section of the Turmeric & Curcumin Supplements Review. Also see our Top Picks among products.
 Avoiding Microplastics in Bottled Water (06/08/2019)
Avoiding Microplastics in Bottled Water
There is increasing evidence of microplastics appearing in water -- including a study of popular bottled water brands. See the results in our answer to the question: Is it true that there are bits of plastic in drinking water and specialty salts? How concerned should I be?
 Liver Injury With Turmeric (06/08/2019)
Liver Injury With Turmeric
Another case of liver injury from a turmeric/curcumin supplement was recently reported. Although not common, it is important to be aware of this potential risk. For details, see the Concerns and Cautions section of the Turmeric & Curcumin Supplements Review.
 Dangerous Compound Found in CBD Oil (06/04/2019)
Dangerous Compound Found in CBD Oil
A "CBD oil" was found to contain a dangerous, synthetic cannabinoid. For details, see the Concerns and Cautions section of the CBD Oils and Hemp Extracts Review. Also see our Top Picks among products.
 Vitamin D for Psoriasis? (06/02/2019)
Vitamin D for Psoriasis?
A recent study evaluated the effects of giving high-dose vitamin D to people with plaque psoriasis. See the results in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Be Careful with Yohimbe (06/01/2019)
Be Careful with Yohimbe
Yohimbe is a common ingredient in certain supplements for men but can be dangerous, as evidenced by recent report. Get the details in the Concerns and Cautions section of the Review.
 Licorice Tea Caution (05/31/2019)
Licorice Tea Caution
Be careful with licorice tea because it can cause serious side effects, as recently happened to a man who drank one to two cups daily. Get more details in our answer about licorice tea.
 Vitamin B12 & Depression (05/28/2019)
Vitamin B12 & Depression
Deficiencies in B vitamins, such as B12, can cause depression. A recent study suggests that, in pregnant women, even low-normal B12 levels are associated with a much higher risk of depression. For details, see the Depression section of the B Vitamin Supplements Review. Also see our Top Picks for B vitamins.
 Glucosamine & Eye Pressure (05/28/2019)
Glucosamine & Eye Pressure
Glucosamine may increase eye pressure in people with glaucoma or intraocular hypertension. But does it have this effect in people who don't have these conditions? See what a new study found in the Concerns and Cautions section of the Joint Health Supplements Review. Also see our Top Picks for glucosamine and chondroitin.
 Concern With a Colorant (05/25/2019)
Concern With a Colorant
Titanium dioxide is a common white colorant in foods and supplements. A recent study in mice, however, suggests that it may affect the gut. For details, see the updated Titanium Dioxide section of the Inactive Ingredients/Excipients article.
 Liver Injury With Ashwagandha (05/22/2019)
Liver Injury With Ashwagandha
Although rare, several cases of liver injury associated with the use of ashwagandha supplements were recently reported. See the details in the Concerns and Cautions section of the Ashwagandha Supplements Review. This has affected our selection of a Top Pick.
 Reducing Drug Craving (05/22/2019)
Reducing Drug Craving
High-dose CBD may help reduce drug cravings in people with heroin use disorder according to a recent study. For details, see the What It Does section of the CBD Oils and Hemp Extracts Review. Also see our Top Picks among products.
 Does Tart Cherry Juice Help? (05/22/2019)
Does Tart Cherry Juice Help?
A recent clinical trial investigated the effects of Montmorency tart cherry juice on blood sugar control, markers of inflammation, and the gut. Find out if it helped. See our updated answer to the question: What are the benefits of tart cherry juice?
 Vitamin D-Autism Study Retracted (05/20/2019)
Vitamin D-Autism Study Retracted
A study that showed a benefit in giving high-dose vitamin D to children with autism spectrum disorder has been retracted due to a lack of confidence in the findings by the editors of the journal in which it appeared. For details, see the What It Does section of the Vitamin D Supplements Review.
 Hip Fracture Risk with B6 (05/18/2019)
Hip Fracture Risk with B6
Another study has shown a significantly increased risk of hip fracture with high intakes of vitamin B6 from supplements. For details, see the B-6 section of the B Vitamins Review. Also see how much B6 is in popular B vitamin supplements and our Top Picks.
 Misdiagnosed B12 Deficiency (05/18/2019)
Misdiagnosed B12 Deficiency
Vitamin B12 is needed to make the genetic material in all cells. Consequently, B12 deficiency can cause a wide range of symptoms and may be misdiagnosed as other diseases. Read about two recent cases of misdiagnosed B12 deficiency in the Cobalamin (B12) section of the B Vitamin Supplements Review. Also see our Top Picks for B12.
 Phytoceramides for Aging Skin? (05/18/2019)
Phytoceramides for Aging Skin?
Can phytoceramide supplements reduce wrinkles and improve the appearance of aging skin? See what a recent study found in our updated answer to the question: What are phytoceramides? Do phytoceramide supplements really work to improve aging skin?
 How Do "Overnight Oats" Affect Blood Sugar? (05/15/2019)
How Do "Overnight Oats" Affect Blood Sugar?
We recently reported on the effects of various types of oats on blood sugar. A study by the same researchers has evaluated overnight oats – rolled oats soaked overnight in milk. Find out how overnight oats compare, see the Oat Cereals Review. Also see our Top Picks among oat cereals.
 Vitamin D and Sunscreen (05/15/2019)
Vitamin D and Sunscreen
Is it possible to protect your skin from sunburn but still produce vitamin D? See what a recent study found in the Getting vitamin D from sunlight section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Glucosamine and Heart Disease (05/15/2019)
Glucosamine and Heart Disease
Does taking glucosamine affect your risk of developing cardiovascular disease? See what a large study recently found in the What It Does section of the Joint Health Supplements Review (Glucosamine, Chondroitin, MSM and Boswellia). Also see our Top Picks among joint health supplements.
 Best Oats for Controlling Blood Sugar? (05/11/2019)
Best Oats for Controlling Blood Sugar?
A recent study compared the effects on blood sugar and insulin levels of steel-cut oats, old fashioned rolled oats, instant ("quick") oats, and honey nut oat cereal. The surprising results are found in the Oat Cereals Review. Also see our Top Pick for oat cereals.
 Gummies vs. Tablets for Vitamin D (05/11/2019)
Gummies vs. Tablets for Vitamin D
Are gummy supplements better than tablets for getting vitamin D? See the results in the What to Consider When Buying section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 MCT Oil for Cognition? (05/11/2019)
MCT Oil for Cognition?
It has been speculated that people with certain forms of cognitive impairment may benefit from consuming medium chain triglycerides (MCT oils). See what a recent clinical trial found in the What It Does section of the Coconut and MCT Oils Review. Also see our Top Picks among products.
 Statins Plus Fish Oil? (05/07/2019)
Statins Plus Fish Oil?
Does high-dose fish oil provide additional coronary benefit to people already taking a statin drug? Find out in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks among fish oils.
 Vitamin D for Vertigo? (05/07/2019)
Vitamin D for Vertigo?
Vitamin D may be beneficial in preventing recurrence of a common form of vertigo known as benign paroxysmal positional vertigo (or BPPV) according to a preliminary study. For details, see the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Probiotic for Anxiety? (05/04/2019)
Probiotic for Anxiety?
A number of studies have evaluated probiotics for reducing anxiety, stress, and depression. See the results of the latest study in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.
 Saffron for Vision (04/30/2019)
Saffron for Vision
Saffron, which contains carotenoids, may improve visual acuity in people with age-related macular degeneration (AMD) according to a recent study. For details, see the ConsumerTips section of the Vision Supplements Review. Also see which vision supplements most closely resemble the ideal formula to slow the progression of AMD.
 No Ginseng In Ginseng Tea? (04/27/2019)
No Ginseng In Ginseng Tea?
A popular maker of bottled teas is being sued for allegedly not putting ginseng in its ginseng green tea. For details, see the Quality Concerns section of the Ginseng Supplements Review. Also see which ginseng products were Approved by ConsumerLab (and see our tests of various Green Teas).
 Probiotic for Diverticulitis (04/27/2019)
Probiotic for Diverticulitis
Giving a specific probiotic to people hospitalized for acute diverticulitis was found to reduce pain, inflammation, and the duration of their hospital stays. Get the details in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks for probiotics.
 Vitamin D & Incontinence (04/27/2019)
Vitamin D & Incontinence
Does giving high-dose vitamin D help women who have urinary incontinence? See what a recent study found in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Fish Oil During Pregnancy (04/23/2019)
Fish Oil During Pregnancy
Does taking fish oil during pregnancy yield children with higher IQs? Find out what studies are showing in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil supplements and other sources of omega-3 fatty acids.
 Curcumin for Asthma? (04/20/2019)
Curcumin for Asthma?
Find out if curcumin (from turmeric powder) decreased asthma symptoms in a recent study, as described in the What It Does section of the Curcumin and Turmeric Supplements & Spices Review. Also see our Top Picks for curcumin and turmeric supplements.
 CBD for Post-traumatic Stress Disorder (PTSD)? (04/19/2019)
CBD for Post-traumatic Stress Disorder (PTSD)?
Can moderate doses of CBD help people with post-traumatic stress disorder? See the latest clinical findings in the What It Does section of the CBD Oil and Hemp Extract Supplements Review. Also see our Top Picks for formulations of CBD.
 Creatine for Older People (04/16/2019)
Creatine for Older People
Creatine may boost the benefits of resistance exercise for older people, according to recent studies. For details, including dosage, see the What It Does section of the Creatine Supplements Review. Also see our Top Picks for creatine.
 Ginseng Interaction? (04/16/2019)
Ginseng Interaction?
Liver injury was recently reported in a man who began taking a Siberian ginseng supplement in addition to his prescription statin medication. Get the details in the Concerns and Cautions section of the Ginseng Supplements Review.
 Problems With Green Coffee Bean (04/16/2019)
Problems With Green Coffee Bean
A recently published analysis found that many green coffee bean extract supplements provided much lower amounts of key compounds than listed – a finding consistent with ConsumerLab's own Review. For details, see the ConsumerTips section of the Green Coffee Bean Extract Supplements Review.
 Does Vitamin D Improve Cancer Survival? (04/13/2019)
Does Vitamin D Improve Cancer Survival?
Does giving high-dose vitamin D to people with cancer of the colon or other parts of the digestive tract improve survival rates? Find out what recent studies are showing in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.
 Maca for Improved Functioning? (04/13/2019)
Maca for Improved Functioning?
Do maca supplements improve functioning and lessen fatigue? A recent study found different results for men and women. Get the details in the What It Does section of the Maca Supplements Review. Also see our top choices among maca products.
 Food vs. Supplements for Getting Vitamins & Minerals (04/12/2019)
Food vs. Supplements for Getting Vitamins & Minerals
We've added new information to our answer to the question Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins? The new information is based on an investigation of the association between nutrient intakes and the risk of dying from cancer and/or other causes.
 Powerful Combination for Alzheimer's (04/09/2019)
Powerful Combination for Alzheimer's
Fish oil can help people with Alzheimer's disease but, as a new study suggests, only when they are getting enough of another nutrient. Get the details in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks among products.
 Vitamin D & Kidney Failure (04/09/2019)
Vitamin D & Kidney Failure
Although rare, excess intake of vitamin D can lead to kidney failure. This recently happened to a man taking a higher dose of vitamin D than he thought. Learn more in the Concerns and Cautions section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.
 Lunasin to Lower Cholesterol? (04/09/2019)
Lunasin to Lower Cholesterol?
Can taking lunasin, a protein isolated from soy, help to lower LDL cholesterol and triglyceride levels? See what a new study found in our updated answer to the question: What is lunasin and does it really reduce cholesterol?
 Vitamin D for Depression? (04/06/2019)
Vitamin D for Depression?
Can supplementation with vitamin D help people diagnosed with depression? Learn what the latest studies are showing in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.
 Green Tea and Breast Cancer (04/02/2019)
Green Tea and Breast Cancer
Drinking green tea has been associated with a reduced risk of breast cancer recurrence. But what effect does high-dose green tea extract have? See what a major study found in the What It Does section of the Green Tea Review. Also see our Top Picks among green tea products.
 Apple Cider Vinegar & Diabetes (03/30/2019)
Apple Cider Vinegar & Diabetes
Can apple cider vinegar help control blood sugar in people with type 2 diabetes? See what a recent study found in the What It Does section of the Apple Cider Vinegar Review. Also see our Top Picks for apple cider vinegar.
 Curcumin Interactions (03/30/2019)
Curcumin Interactions
Curcumin (from turmeric) can interact with a variety of medications, requiring discontinuation of curcumin or adjustment in medication dosage. The most recently reported interaction is with tamoxifen. For details, see the Concerns and Cautions section of the Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks among products.
 Green Tea for Lowering Blood Pressure (03/30/2019)
Green Tea for Lowering Blood Pressure
Drinking green tea can help lower high blood pressure – and even reverse ventricular hypertrophy, according to a new study. For details, including the amount and brand of tea used, see the What It Does section of the Green Tea Review. Also see our Top Picks for green tea.
 Curcumin Caution: May Lower Iron (03/27/2019)
Curcumin Caution: May Lower Iron
If you’re low in iron, be careful with high doses of curcumin (turmeric extract). See the Concerns and Cautions section of the Curcumin and Turmeric Review. Also see our Top Picks among products.
 Red Yeast Rice & Liver Injury (03/26/2019)
Red Yeast Rice & Liver Injury
Hepatitis was recently reported in a woman in the U.S. who was taking a red yeast rice supplement. Other cases have been reported. For details, see the Concerns and Cautions section of the Red Yeast Rice Supplements Review. Also see our Top Pick among products.
 Vitamin C Blunts Exercise Benefits (03/26/2019)
Vitamin C Blunts Exercise Benefits
If you are trying to build muscle with resistance exercise, go easy on vitamins C and E, according to a recent study. Get the details in the Concerns and Cautions section of the Vitamin C Supplements Review.
 Calcium Supplements and Macular Degeneration (03/23/2019)
Calcium Supplements and Macular Degeneration
Two large studies have sought to determine if there is an association between calcium supplementation and the risk of developing age-related macular degeneration (AMD). See what they found in the What It Does section of the Calcium Supplements Review. Also see our Top Picks among calcium supplements.
 New Potassium Recommendations (03/22/2019)
New Potassium Recommendations
The amount of potassium needed to achieve nutritional adequacy was officially reduced this month for all ages. Find out why and get the new recommendations in the What to Consider When Using section of the Potassium Supplements Review. Also see our Top Picks for potassium supplements.
 Hot Tea & Cancer (03/20/2019)
Hot Tea & Cancer
Drinking very hot tea increases the risk of developing esophageal cancer. How long should you wait after brewing to drink tea? Find out what recent studies are showing in the What It Does section of the Green Tea Review. Also see other tips for the best way to prepare brewable green tea, and our Top Picks among green tea products.
  Prescription Fish Oil Lowers Heart Attack Risk (03/19/2019)
Prescription Fish Oil Lowers Heart Attack Risk
A prescription fish oil was found to lower the risk of cardiovascular events such as heart attack and stroke by 30% in people at high risk. For details, see the Prescription Fish Oil vs. Supplements section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil supplements.
 Melatonin for Troubled Sleep? (03/19/2019)
Melatonin for Troubled Sleep?
Does melatonin supplementation help people with a condition involving intense dreams as well as laughing, yelling, kicking or punching during sleep? Learn what a recent study found in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.
 Vitamin D for Overactive Bladder? (03/16/2019)
Vitamin D for Overactive Bladder?
Vitamin D supplementation may help vitamin D-deficient people who suffer from urinary urgency or frequency. Get the details in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.
 Colloidal Silver Concern (03/16/2019)
Colloidal Silver Concern
Long-term use of colloidal silver may have contributed to the development of bone marrow cancer, according to a new report. We’ve added details about this to our answer to the question: Is ingesting colloidal silver helpful for any condition and is it safe to use?
 Ashwagandha for Vitality? (03/12/2019)
Ashwagandha for Vitality?
Did giving ashwagandha to middle-aged, overweight men improve their vitality, vigor, or levels of testosterone? Find out in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.
 Bioengineered Salmon Approved (03/12/2019)
Bioengineered Salmon Approved
As of this month, genetically engineered salmon can be legally sold in the U.S. Learn how it compares to other salmon in terms of EPA and DHA in the Farmed vs. Wild Salmon section of our Fish Oil Review. (Also see the results of our tests of canned fish in the separate Canned Tuna and Canned Salmon Review.)
 Boswellia for Osteoarthritis (03/09/2019)
Boswellia for Osteoarthritis
Boswellia extract may reduce the pain and stiffness of knee osteoarthritis. See results of a recent study in the What It Does section of the Joint Health Supplements Review. Also see our Top Picks for Boswellia and other joint health supplements.
 CBD & Cancer (03/08/2019)
CBD & Cancer
Preliminary evidence suggests that CBD (cannabidiol) may have anti-cancer properties, and a dramatic reduction in tumor size was recently reported in a person taking low-dose CBD. For details, see the What It Does section of the CBD Oils and Hemp Extracts Review.
 Soy Isoflavones & Breast Cancer Risk (03/06/2019)
Soy Isoflavones & Breast Cancer Risk
Soy isoflavones, which have estrogen-like effects, are used by women hoping to reduce menopausal symptoms. A new study suggests this use may raise the risk of breast cancer in some women but lower it in others. For details, see the What It Does section of the Soy Isoflavone Supplements Review.
 Many Men and Women Not Getting Enough Protein (02/27/2019)
Many Men and Women Not Getting Enough Protein
A national study found that many older men and women don't get enough protein in their diets, including those in their 50s. For details, see the What It Does section of the Protein Powders and Drinks Review. Also see our Top Picks among protein supplements.
 Does CBD Cream Help? (02/26/2019)
Does CBD Cream Help?
Does CBD cream decrease muscle soreness following exercise? Does CBD gel help with knee pain from osteoarthritis? Learn what recent studies have found in the What It Does section of the CBD and Hemp Extract Review. Also see our Top Picks for CBD oils and topical products.
 Allergic Reactions to Protein Powder (02/23/2019)
Allergic Reactions to Protein Powder
Be aware that allergic reactions to protein powders have recently been reported in people not normally allergic the protein sources of their supplements. For details, see the Concerns and Cautions section of the Protein Powders, Shakes, and Drinks Review. Also see our Top Picks for protein supplements.
 Right Amount of D for Cognition (02/19/2019)
Right Amount of D for Cognition
Three different doses of vitamin D were given to older women in a one-year study of cognition. Find out which dose resulted in the best performance on cognitive tests in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
 Kidney Stones Due to Supplement? (02/19/2019)
Kidney Stones Due to Supplement?
An unusual type of kidney stone has been reported in several people who regularly consumed large amounts of a vitamin and amino acid supplement containing a particular form of choline and vitamin C. For details, see the Concerns and Cautions section of the Choline Supplements Review.
 Energy Drinks & Aggression (02/16/2019)
Energy Drinks & Aggression
Are people who frequently consume energy drinks (like 5-hour Energy) more likely to be aggressive or have mental health problems? Learn what a new study found, and learn more about the pros and cons of energy drinks in the Energy Drinks section of the B Vitamin Supplements Review.
 Vitamin C for Blood Sugar Control (02/12/2019)
Vitamin C for Blood Sugar Control
High-dose vitamin C was found to help control blood sugar levels in people with type 2 diabetes in a recent study. For details, see the What It Does section of the Vitamin C Supplements Review. Also see our latest Top Picks for vitamin C.
 Plastic Bottles Okay for Olive Oil? (02/12/2019)
Plastic Bottles Okay for Olive Oil?
A recent study compared the effects of storing extra virgin olive oil in plastic versus glass bottles, as well as the effects of light. Find out which bottle and setting fared best in the ConsumerTips section of the Extra Virgin Olive Oils Review. Also see our latest Top Picks for extra virgin olive oil.
 Caution with Ginger (02/06/2019)
Caution with Ginger
Some evidence suggests that ginger may help alleviate nausea during chemotherapy, but it was recently shown that it can interact with some chemotherapeutic drugs, which can be dangerous. See the Concerns and Cautions section of the Ginger Supplements & Ales Review.
 Theanine for Anxiety? (02/05/2019)
Theanine for Anxiety?
Theanine is promoted as an anxiety-reducing supplement, but does it really work? See results of a recent study in the What It Does section of the L-theanine Supplements Review. Also see our top choices for L-theanine supplements.
 Does Vitamin D Reduce Risk of Falls? (02/02/2019)
Does Vitamin D Reduce Risk of Falls?
Vitamin D can reduce the risk of falls when given to people deficient in vitamin D. But what happens when you give high-dose vitamin D to people who are not deficient? Find out in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.
 Whey Protein When Bedridden? (02/02/2019)
Whey Protein When Bedridden?
Does substituting whey protein for other sources of protein help bedridden people retain muscle mass and strength? Find out what a new study showed in the What It Does section of the Protein Powders & Drinks Review. Also see our Top Picks for protein powders.
 A Probiotic for Migraine (02/02/2019)
A Probiotic for Migraine
Use of a particular probiotic for several weeks was found to modestly reduce the frequency and severity of migraine headaches. Get the details in the What It Does section of the Probiotic Supplements Review.
 Getting the Most from Green Tea (01/30/2019)
Getting the Most from Green Tea
If you drink green tea to get beneficial compounds like EGCG, learn about a recent study that suggests that the type of water you use to brew tea drastically affects the amount of EGCG you get. Get the details in the How to Take section of the Green Tea Review. Also see our Top Picks for green tea.
 Caution With Antioxidants (01/27/2019)
Caution With Antioxidants
A new study suggests it might be risky to take antioxidant supplements during cancer treatment. We have added this important information to our answer to the following question: Can supplements with antioxidants like beta-carotene and vitamins A and E cause you to die sooner?
 Fish Oil for Asthma? (01/26/2019)
Fish Oil for Asthma?
Can high-dose fish oil help people with asthma? See what a study recently found in the "What It Does" section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.
 Garlic and Blood Pressure (01/23/2019)
Garlic and Blood Pressure
If you have high blood pressure, a particular garlic supplement may provide some benefit, according to a recent study. For details, see the "What It Does" section of the Garlic Supplements Review. Also see our top choices for garlic supplements.
 Dog Overdoses on Supplement (01/19/2019)
Dog Overdoses on Supplement
Be sure to keep your supplements away from pets -- especially if they taste sweet. A dog overdosed on its owner's fast-dissolving tablets, putting it in a coma, according to a recent report. For details, see the Concerns and Cautions section of the L-tryptophan and 5-HTP Supplements Review.
 Is Omega-6 a Problem? (01/19/2019)
Is Omega-6 a Problem?
Do omega-6 fatty acids like LA and GLA, found in many seed oils, promote inflammation in the body? No, and yes, according to the latest findings. Get the details in the Is Omega-6 a Problem? section of our Omega-3 and -6 Fatty Acid Supplements Review.
 Anxiety Treatment -- Low-Dose CBD? (01/15/2019)
Anxiety Treatment -- Low-Dose CBD?
Does low-dose CBD (cannabidiol) help with anxiety and sleep disorders? See the results of a recently published case series in the What It Does section of the CBD & Hemp Extract Supplements Review. Also see our Top Pick for CBD.
 B12 Tablet vs. Injection (01/15/2019)
B12 Tablet vs. Injection
Is a vitamin B12 tablet just as good as an injection for raising blood levels of B12? Find out in the Cobalamin (B12) section of the B Vitamin Supplements Review. Also see our Top Pick for vitamin B12.
 Pea vs. Whey Protein (01/15/2019)
Pea vs. Whey Protein
Which is better for increasing strength and muscle thickness, pea protein or whey protein? See what a recent study showed in the Protein Powders Review. Also see our Top Pick for each type of protein.
 Don't Take Minerals With Certain Supplements (01/15/2019)
Don't Take Minerals With Certain Supplements
Taking minerals like calcium and magnesium can dramatically reduce the absorption of carotenoids like lycopene, beta carotene, and astaxanthin. Get the details in the Concerns and Cautions section of the Lycopene Supplements Review.
 Fiber Benefits (01/12/2019)
Fiber Benefits
Higher fiber intake was associated with a lower risk of many major diseases in a recent study. However, the average American consumes far below the recommended daily intake of fiber. As oats are a good source of fiber, we’ve added details from the new study in the "Benefits" section of the Oat Cereals Review. (Also see our Top Picks oat cereals.)
 Maintaining Muscle With Fish Oil? (01/12/2019)
Maintaining Muscle With Fish Oil?
Can taking fish oil prevent muscle loss when a limb is immobilized, such as in a brace? Find out what a recent study showed in the "Strength and Muscle" section of the Fish Oil Supplements Review. (Also see our Top Picks for fish oil.)
 Is Taking Vinegar Helpful? (01/08/2019)
Is Taking Vinegar Helpful?
Two studies compared the effectiveness of vinegar pills to liquid vinegar in controlling blood sugar after a meal. See the results in the "Blood sugar control" section of the Apple Cider Vinegar Review. (Also see our Top Picks for apple cider vinegar.)
 B Vitamins & Breast Cancer (01/08/2019)
B Vitamins & Breast Cancer
A reduced risk of breast cancer was associated with supplementing with certain amounts of folic acid and vitamin B12 for women predisposed to breast cancer in a new study. See the details in the "Breast cancer" section of the B Vitamin Supplements Review.
 Is Protein Best Before or After a Meal? (01/05/2019)
Is Protein Best Before or After a Meal?
A new study showed that the timing of protein supplementation around a meal can determine the effect on blood sugar in people with insulin resistance. Find out the best timing in the update to the Protein Powders, Drinks, and Shakes Review. (Also see our Top Picks among products.)
2018 Vitamin D for Muscle (12/25/2018)
Vitamin D for Muscle
Vitamin D increased muscle mass in older men and women with low levels of vitamin D in a recent study. Get the details in the Muscle, balance and falls section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D.)
 Curcumin for Muscle Soreness (12/22/2018)
Curcumin for Muscle Soreness
Does curcumin reduce muscle inflammation or soreness from intense exercise? Find out what recent studies have shown in the Muscle Soreness and Recovery After Exercise section of the Turmeric and Curcumin Supplements & Spices Review. (Also see our Top Picks among products.)
 Chocolate and Platelet Function? (12/18/2018)
Chocolate and Platelet Function?
A recent study found that eating dark chocolate affected a measure of platelet function. How important is this? Get the details in the Cardiovascular section of the Dark Chocolate and Cocoa Powders Review. (Also see our Top Picks for dark chocolate).
 Creatine for Older People (12/18/2018)
Creatine for Older People
Does taking creatine improve muscles in older people? See the results of a recent study in the What It Does section of the Muscle & Workout Supplements Review. (Also see our Top Pick for creatine).
 Comparing Beetroot Juices, Concentrates, and Powders (12/18/2018)
Comparing Beetroot Juices, Concentrates, and Powders
Nitrate is a key compound in beetroot juice products, yet most products don't list their nitrate content. A new study reveals how much nitrate is in popular beetroot juices, concentrates, and powders. Find out which contain the most or the least nitrate in our answer to the question: Can beetroot juice improve my workout performance?
 Magnesium for Optimal Vitamin D Level (12/15/2018)
Magnesium for Optimal Vitamin D Level
Magnesium intake significantly affects levels of active vitamin D in the blood, according to a new study. This helps keep vitamin D in an optimal range and is another reason to get sufficient magnesium – which many people don't. For details, see the new information in the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D and magnesium supplements).
 Enzymes for Indigestion (12/15/2018)
Enzymes for Indigestion
Will taking digestive enzymes reduce indigestion? Although not all studies have shown a benefit, a recent study suggested improvements with no adverse effects. For details, see the Digestive Discomfort section of the Digestive Enzyme Supplements Review. (Also see our top choices for enzyme supplements).
 Pycnogenol for Prostate? (12/15/2018)
Pycnogenol for Prostate?
Pycnogenol, a branded form of pine bark extract, is promoted for a variety of uses, including improvement of circulation, cognition, joint pain and vision. It was recently given to men with benign prostatic hyperplasia (BPH) to see if it would improve urinary symptoms. Find out if it worked, and learn if it helps with other conditions, in our updated answer to the question: What is Pycnogenol and does it work? >>
 How Important Is Vitamin D for Bones? (12/11/2018)
How Important Is Vitamin D for Bones?
Many women take vitamin D supplements to maintain bone mineral density, but does it really help? A new study provides an answer. See What It Does in the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D).
 Fish Oil Bleeding Risk? (12/09/2018)
Fish Oil Bleeding Risk?
Does taking fish oil increase the risk of bleeding? See the latest evidence in the Concerns and Cautions section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oils).
 When to Take Protein (12/09/2018)
When to Take Protein
Supplementing with protein can increase muscle mass and strength more than resistance exercise alone, but the timing of protein consumption can make a difference if you are also trying to improve metabolism and reduce body fat. Get the details and find out what a new study showed in the What It Does section of the Protein Powders, Shakes & Drinks Review. (Also see our Top Picks among products).
 Vitamin C and Kidney Damage (12/09/2018)
Vitamin C and Kidney Damage
High doses of vitamin C can cause kidney stones and damage kidneys. People with certain diets or medical conditions may be more prone to these problems. Get the details, including those of a recent case, in the Concerns and Cautions section of the Vitamin C Supplements Review.
 Drug Interactions With Iron (12/05/2018)
Drug Interactions With Iron
Iron should not be taken at the same time as any of several prescription medications, due to potential interactions. A recent study adds to the list of medications of concern. For details, see the Concerns and Cautions section of the Iron Supplements Review.
 Carnitine Heart Risk? (12/02/2018)
Carnitine Heart Risk?
Supplementing with L-carnitine can raise blood levels of TMAO which can potentially advance atherosclerosis. However, the science is not clear, as suggested by a recent study. Get the details in the L-Carnitine section of the Acetyl-L-Carnitine Supplements Review.
 Vitamin D for Restless Legs? (12/01/2018)
Vitamin D for Restless Legs?
Does high-dose vitamin D help women and men with restless legs syndrome? Find out what a recent study reported in the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D.)
 Side Effects of CBD (11/27/2018)
Side Effects of CBD
High-dose CBD (cannabidiol) often causes side effects. In fact, adverse events were reported in 81% of participants in a recently reported CBD study. Get the details in the Concerns and Cautions section of the CBD Oil and Hemp Extract Review. (Also see our Top Pick for CBD.)
 Can Vitamin D Boost Cognition? (11/27/2018)
Can Vitamin D Boost Cognition?
Middle-aged people with low levels of vitamin D were given high-dose vitamin D for four months. Find out if this boosted their cognitive performance in the Alzheimer's disease, dementia, memory and cognitive decline section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D.)
 Melatonin for Headaches (11/27/2018)
Melatonin for Headaches
Recent reports suggest that melatonin, taken daily, may eliminate episodes of stabbing headache. Melatonin may also benefit people with migraine headache. For details, see the Headache section of the Melatonin Supplements Review. (Also see our Top Picks for melatonin.)
 Caution With Calcium & Medications (11/27/2018)
Caution With Calcium & Medications
Which supplement was most likely to cause drug interactions for seniors in a recent study? Calcium. Learn more about potential drug interactions with calcium in the Concerns and Cautions section of the Calcium Supplements Review.
 Better Absorbed Fish Oil? (11/25/2018)
Better Absorbed Fish Oil?
A specially formulated fish oil was shown to be absorbed better than regular fish oil. A closer look at the study, however, suggests that this benefit may be limited. Learn more, as well as how you can maximize fish oil absorption, in the How to Take section of the Fish & Marine Oil Supplements Review. (Also see our Top Picks for fish oil supplements.)
 Yogurt & High Blood Pressure (11/24/2018)
Yogurt & High Blood Pressure
Higher consumption of yogurt was associated with a lower risk of developing high blood pressure in a recent analysis. Risk was further reduced when yogurt consumption was part of a particular, healthful diet. For details, see the Fermented Dairy Foods section of the Probiotic Supplements Review.
 Liver Toxicity With Niacin (11/20/2018)
Liver Toxicity With Niacin
The death of a woman from acute liver failure highlights the risk of a particular formulation of high-dose niacin. For details, see the Niacin section of the B Vitamin Supplements Review. (Also see our Top Picks for niacin and other B vitamins.)
 Soy Can Affect Thyroid (11/20/2018)
Soy Can Affect Thyroid
Daily intake of soy isoflavones (as found in soy protein and soy isoflavone supplements) can affect thyroid hormone levels – even in people with normal thyroid function, according to a recent study. For details, see the "Concerns and Cautions" section of the Menopause Supplements Review and the Protein Supplements Review.
 Best Olive Oil for Heart? (11/20/2018)
Best Olive Oil for Heart?
This week, the FDA agreed that oils that are at least 70% oleic acid may claim to reduce the risk of coronary heart disease when substituted for saturated fats. Oleic acid is the dominant fatty acid in olive oil. However, our tests of popular extra virgin olive oils show that only some reach the 70% level. Get the details in the Extra Virgin Olive Oil Review. (Also see our Top Picks among extra virgin olive oils.)
 Melatonin for Fibromyalgia (11/17/2018)
Melatonin for Fibromyalgia
Daily melatonin supplementation has been found to decrease pain and improve other symptoms of fibromyalgia. For details, see the What It Does section of the Melatonin Supplements Review. (Also see our Top Picks for melatonin.)
 Rash From CBD Supplement (11/17/2018)
Rash From CBD Supplement
CBD (cannabidiol) may have caused a serious rash in an individual. For details, see the Cautions and Concerns section of the CBD and Hemp Extract Supplements Review. (Also see our Top Pick for CBD.)
 Probiotic Lowers Eczema Risk in Children (11/16/2018)
Probiotic Lowers Eczema Risk in Children
The risk of eczema in children was reduced by 54% when a specific probiotic was taken by mothers during pregnancy and then by their infants, according to a new study. The probiotic also reduced the incidence of gestational diabetes among the mothers. For details, see the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks for probiotics.)
 Vitamin D May Prevent Cancer Deaths (11/14/2018)
Vitamin D May Prevent Cancer Deaths
A major 5-year study in which a cross-section of Americans were given high-dose vitamin D daily found no overall reductions in cardiovascular disease or cancer or death from these causes. However, when excluding the first two years of the study, the rate of death from cancer was 25% lower with vitamin D than with placebo – a finding consistent with other studies. See the details in the Cancer section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D.)
 Illness From Probiotic (11/13/2018)
Illness From Probiotic
Some people are vulnerable to serious illness related to probiotic use. Get the details of a recently reported case in the Cautions and Concerns section of the Probiotic Supplements Review.
 Mixed Results for EPA/DHA Fish Oil (11/11/2018)
Mixed Results for EPA/DHA Fish Oil
Concentrated EPA/DHA fish oil given daily to a cross-section of Americans was not found to lower the risk of cancer or cardiovascular disease except for those with low fish intake and for African-Americans. See the details in the What It Does section of the Fish Oil Supplements Review. Also see which supplements are comparable to the fish oil in the study.
 High EPA Fish Oil Lowers Cardiovascular Risk for Some (11/11/2018)
High EPA Fish Oil Lowers Cardiovascular Risk for Some
Taking high-dose, high-EPA fish oil (Vascepa) was found lower the risk of cardiovascular disease by 25% among people with elevated triglycerides in a major new study. Get the details in the What It Does section of the new Fish Oil Review. (Also see how fish oil supplements compare to Vascepa.)
 Can CoQ10 Boost Cholesterol-Lowering of Statins? (11/06/2018)
Can CoQ10 Boost Cholesterol-Lowering of Statins?
Can taking CoQ10 further lower cholesterol levels in people already taking a statin drug? See what a new study found in the What It Does section of the CoQ10 and Ubiquinol Supplements Review. (Also see our Top Picks for CoQ10 and ubiquinol supplements.)
 Flaxseed Oil for High Blood Pressure? (11/06/2018)
Flaxseed Oil for High Blood Pressure?
Does flaxseed oil (which is rich in the omega-3 fatty acid ALA) help lower blood pressure in people with high blood pressure? Learn what a recent study found in the What It Does section of the Flaxseed Oil Review. (Also see our Top Picks for flaxseed and other seed oils.)
 Lower Risk of Heart Disease with Fermented Dairy Foods (11/06/2018)
Lower Risk of Heart Disease with Fermented Dairy Foods
A study has shown a lower risk of heart disease to be associated with consumption of fermented, rather than non-fermented, dairy foods. However, only a certain type of fermented dairy was associated with the benefit. For details, see the Fermented Dairy section of the Probiotics Review. (Also see our Top Picks among probiotic products.)
 Curcumin for Weight? (11/04/2018)
Curcumin for Weight?
Can curcumin help you lose body weight? Find out what a new review concluded in the What It Does section of the Curcumin and Turmeric Supplements Review. (Also see our Top Picks for curcumin and turmeric supplements.)
 CoQ10 & Statin Muscle Symptoms (10/30/2018)
CoQ10 & Statin Muscle Symptoms
Can taking CoQ10 reduce muscle symptoms that can occur when taking cholesterol-lowering statin drugs? Find out in the recent update to the What It Does section of the CoQ10 & Ubiquinol Supplements Review. (Also see our Top Picks for CoQ10 and Ubiquinol.)
 Don't Take Calcium With Thyroid Hormone (10/29/2018)
Don't Take Calcium With Thyroid Hormone
A study showed negative effects of taking calcium too soon after taking levothyroxine (Synthroid). For details on how to safely take this combination, see the update in the Concerns and Cautions section of the Calcium Supplements Review. (Also see our Top Picks for calcium.)
 Iron and Stroke (10/29/2018)
Iron and Stroke
Having too much iron in the body is associated with an increased risk of a variety of conditions and, according to a recent study, stroke is among these. For details, see the Concerns and Cautions section of the Iron Supplements Review. (Also see our Top Picks for iron when you need to supplement.)
 Cleaner Green Tea (10/27/2018)
Cleaner Green Tea
A recent study found that it is possible to modestly reduce pesticides in green tea by following a certain procedure before brewing. For details, see the How to Take section of the Green Tea Review. (Also see our Top Picks among green teas, matcha powders, and supplements.)
 DHA for Toddlers? (10/27/2018)
DHA for Toddlers?
Does giving the omega-3 fatty acid DHA to 1-year-olds born pre-term lead to improvements in cognitive development? Find out in the recent update to the What It Does section of the Fish Oil & Omega-3 Supplements Review -- and learn whether DHA use by pregnant women yields benefits for their children. (Also see our Top Picks for DHA.)
 Extra Help From Red Yeast Rice? (10/26/2018)
Extra Help From Red Yeast Rice?
Can red yeast rice lower cholesterol levels in people already taking the non-statin medications evolocumab and ezetimibe? Find out in our update to the What It Does section of the Red Yeast Rice Supplements Review. (Also see our Top Pick for red yeast rice.)
 B Vitamin Cancer Risk? (10/24/2018)
B Vitamin Cancer Risk?
Giving high-dose vitamin B12 along with a modest amount of folic acid to older people was found to significantly increase the risk of colorectal cancer. See the B12 section of the B Vitamins Review for details. (Also see our Top Picks for B12 and other B vitamins.)
 DPA -- The Other Omega-3 (10/23/2018)
DPA -- The Other Omega-3
Studies are showing that higher blood levels of DPA (an omega-3 fatty acid obtained from fish) are associated with healthier aging and reduced cardiovascular disease. Although a cause-and-effect relationship has not been established, if you’re interested in increasing DPA in your diet, we just published the amounts of DPA that we found in popular brands of canned tuna and salmon. Some had virtually no DPA, while others provided nearly 100 mg per serving. (Also see our Top Picks for Canned Tuna & Salmon.)
 CBD for Anxiety (10/23/2018)
CBD for Anxiety
CBD taken 90 minutes before public speaking reduced anxiety without side effects in a recent clinical trial – although it only worked at one of the three doses studied. For details, see the What It Does section of the CBD and Hemp Extract Supplements Review. (Also see our Top Picks among products.)
 Omega-3s & Healthy Aging (10/20/2018)
Omega-3s & Healthy Aging
Do higher blood levels of omega-3 fatty acids (as obtained from fish and/or fish oil) correlate with healthier aging? See what a new study found in our updates to the Fish Oil Supplements Review and the Canned Tuna and Salmon Review.
 A Caution With Green Tea (10/16/2018)
A Caution With Green Tea
Although consumption of green tea is generally associated with a reduced risk of cancers, drinking it a certain way may increase the risk of certain cancers. Get the details in the Cancer Prevention section of the Green Tea Review. (Also see our Top Picks among green tea in bags, bottles, supplements, and matcha.)
 Iron Deficiency Cause (10/16/2018)
Iron Deficiency Cause
Regular use of certain popular medicines was associated with a large increase in the risk of iron deficiency, according to a new study. Get the details in the ConsumerTips section of the Iron Supplements Review. (Also see our Top Picks among iron supplements.)
 CoQ10 vs. Ubiquinol (10/16/2018)
CoQ10 vs. Ubiquinol
Which form of CoQ10 raises total blood levels of CoQ10 more? Find out in the CoQ10 and Ubiquinol Supplements Review. (Also see our Top Picks for CoQ10 and ubiquinol supplements.)
 Best Way to Take CBD (10/12/2018)
Best Way to Take CBD
We've added important information to the Dosage section of our CBD Oil and Hemp Extract Review about how to significantly boost the amount of CBD that is absorbed from a dose – which can otherwise be quite small. (Also see our Top Picks among CBD and hemp extracts.)
 Can a B Vitamin Lower High Blood Pressure? (10/09/2018)
Can a B Vitamin Lower High Blood Pressure?
A common mutation of the MTHFR gene is associated with an increased risk of hypertension. A recent study tested whether supplementing with a specific B vitamin could reduce blood pressure in affected individuals. Get the results in the MTHFR section of the B Vitamin Supplements Review. (Also see our Top Picks among B vitamins.)
 Cocoa for Diabetes? (10/09/2018)
Cocoa for Diabetes?
Cocoa flavanols may help control blood sugar, but do they offer benefits to people with diabetes? See what recent studies are finding in the What It Does section of the Cocoa and Dark Chocolate Review. (Also see our Top Picks among products).
 No Bone Benefit with Vitamin D -- Really? (10/09/2018)
No Bone Benefit with Vitamin D -- Really?
You may have read that a recent analysis of 81 controlled studies concluded that "vitamin D supplementation does not prevent fractures or falls, or have meaningful benefits on bone mineral density." In general, this is true, but there are important caveats. Learn more in the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D.)
 Amino Acids After Knee Replacement? (10/05/2018)
Amino Acids After Knee Replacement?
Does taking amino acids after knee replacement surgery help maintain muscle volume, mobility, and strength? See what a recent study found in the What It Does section of the Muscle & Workout Supplements Review. (Also see our Top Picks in this category).
 Vitamin D and Cognition (10/05/2018)
Vitamin D and Cognition
Does taking vitamin D help older individuals with mild cognitive impairment? Learn what a new study found in the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
 Probiotic for Abdominal Pain (10/02/2018)
Probiotic for Abdominal Pain
A probiotic was found to significantly reduce symptoms in people with acute diarrhea and abdominal pain, adding to the number of probiotics shown to have related effects. For details, see the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks among probiotics).
 Extra Protein for Extra Muscle? (09/25/2018)
Extra Protein for Extra Muscle?
Extra protein can boost the increases in muscle strength and size that occur with strength training. But does extra protein help people already consuming adequate protein from their diets? See what a new study found in the What It Does section of the Protein Supplements Review. (Also see our Top Picks among protein powders and shakes.)
 Fish Oil Drug May Help (09/25/2018)
Fish Oil Drug May Help
High doses of fish oil highly-concentrated in EPA and/or DHA are known to lower elevated triglycerides. But can they reduce the risk of cardiac events, such as heart attack? Preliminary results from a new study suggest that one product can – at least in certain people. Get the details in the Prescription Fish Oil vs. Supplements section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oil supplements.)
 SAMe for Depression (09/25/2018)
SAMe for Depression
SAMe (S-adenosyl-methionine) may be helpful in depression, although a recent study suggests that the right dosage can be important. For details, see the What It Does section of the SAMe Supplements Review. (Also see our Top Picks among SAMe supplements).
 Vitamin D for Eczema? (09/25/2018)
Vitamin D for Eczema?
Can vitamin D help with eczema? See what a new study found in the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks among Vitamin D supplements).
 Vitamin C and Prostate Cancer (09/22/2018)
Vitamin C and Prostate Cancer
Does taking vitamin C reduce the chance of developing prostate cancer? Find out what studies are showing, including one reported this month, in the What It Does section of the Vitamin C Supplements Review. (Also learn about vitamin C and cataracts and see our Top Picks for vitamin C.)
 Cinnamon Side Effects (09/22/2018)
Cinnamon Side Effects
If you take a cinnamon supplement (or regularly use large amounts of cinnamon), be aware of the potential for side effects. See the Concerns and Cautions section of the Cinnamon Supplements Review. (Also see what our tests of cinnamon supplements and spices found and our top choices among products).
 Pain and Cannabinoids (09/19/2018)
Pain and Cannabinoids
Many people use CBD to alleviate pain. This benefit has yet to be proven, but a recent analysis of clinical studies with cannabinoids may explain this effect, as discussed in the What It Does section of the CBD and Hemp Extracts Review. (Also see our Top Picks among these products.)
 Curcumin Effect on Liver (09/18/2018)
Curcumin Effect on Liver
Long-term use of curcumin may negatively affect the liver in a small percentage of people, according to a new report. Get the details in the Concerns and Cautions section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks for turmeric and curcumin.)
 Vitamin D for Back Pain? (09/18/2018)
Vitamin D for Back Pain?
Can taking vitamin D reduce back pain? Read what a recent study found in the Back Pain section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
 Anxiety and Fish Oil (09/14/2018)
Anxiety and Fish Oil
An analysis of clinical trials with fish oil looked at whether supplementation was associated with decreased anxiety. See the results in the What It Does section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oil and other omega-3 supplements.)
 Curcumin for Blood Sugar Control (09/14/2018)
Curcumin for Blood Sugar Control
Does taking curcumin with a meal help control blood sugar levels? See what a study found in the What It Does section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks among curcumin and turmeric supplements and spices.)
 Cocoa and Cholesterol (09/12/2018)
Cocoa and Cholesterol
Can cocoa flavanols improve cholesterol levels? See what a recent study found in the Cardiovascular section of the Cocoa and Dark Chocolate Review. (Also see our Top Picks among cocoa and dark chocolate products.)
 High-Dose Vitamin D Risk (09/11/2018)
High-Dose Vitamin D Risk
A new study suggests that very high-dose vitamin D may increase the risk of kidney stones. For details, see the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
 When To End Probiotics? (09/09/2018)
When To End Probiotics?
If you take a probiotic when given antibiotics, at what point should you stop taking the probiotic? A new study provides some guidance. For details, see the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks among probiotics.)
 Fish Oil & Diabetes (09/04/2018)
Fish Oil & Diabetes
In a major study, fish oil was given to people with type 1 or type 2 diabetes for several years to see if it would reduce serious cardiovascular events, like heart attacks and stroke. Find out what happened in the Heart Attack and Stroke section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oil supplements.)
 Vitamin D for Mood? (09/04/2018)
Vitamin D for Mood?
Can supplementing with vitamin D improve mood during the winter? Find out what a recent study showed in the Depression & Mood section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
 Glutamine for IBS? (09/04/2018)
Glutamine for IBS?
Glutamine, an amino acid, plays a role in maintaining the digestive tract. Can taking it as a supplement help people with irritable bowel syndrome (IBS)? Find out what a recent study showed in the Glutamine section of the Muscle Enhancers Review.
 CBD & Psychosis (08/31/2018)
CBD & Psychosis
Can giving CBD to people at risk of psychosis help normalize their brain function? Learn what a recent study showed in the What It Does section of the CBD & Hemp Extract Supplements Review. (Also see our Top Picks among recently tested CBD supplements.)
 Chocolate for the Heart? (08/28/2018)
Chocolate for the Heart?
Studies suggest cardiovascular benefits from daily intake of cocoa flavanols, as found in dark chocolate. However, a new study, focusing on heart failure, suggests more limited intake. Get the details and our analysis in the Cardiovascular section of the Dark Chocolate, Cocoa Powder, and Nibs Review. (Also see our Top Picks for dark chocolate, cocoa powders, and more.)
 Probiotics for Gum Disease (08/28/2018)
Probiotics for Gum Disease
Can probiotic lozenges improve gum health when used in conjunction with oral cleanings? Find out what studies are showing in the Periodontitis section of the Probiotics Supplements Review. (Also see our Top Picks among probiotic supplements for other uses.)
 Garcinia Warning (08/28/2018)
Garcinia Warning
Be aware that Garcinia cambogia extracts, touted for weight management, may cause liver injury, as suggested by two recent case reports. See the Concerns and Cautions section of the Garcinia Cambogia Supplements Review for details.
 Curcumin Helps Ulcerative Colitis (08/25/2018)
Curcumin Helps Ulcerative Colitis
Curcumin has been shown to reduce ulcerative colitis symptoms and maintain remission. Get the details, including dosage and forms, in the What It Does section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks for curcumin supplements.)
 Probiotic Concern (08/21/2018)
Probiotic Concern
While probiotics are generally safe, they can cause severe illness in people with certain medical conditions. There have been many case reports, including one published this month. For details see the Concerns and Cautions section of the Probiotic Supplements Review.
 Extra Protein Can Help Older People (08/18/2018)
Extra Protein Can Help Older People
Increasing protein intake can help older people maintain and build muscle – but it's not that simple. Get the details, and read about the latest studies, in the Building and maintaining muscle mass section of the Protein Supplements Review. (Also see our Top Picks among protein shakes and drinks).
 Citrulline and Exercise (08/14/2018)
Citrulline and Exercise
Several studies have evaluated citrulline (which the body converts to arginine) for enhancing athletic performance. Find out if it helps or not in the Citrulline section of the L-Arginine Review. Also, find out if L-arginine, itself, can help.
 Red Yeast Rice and Diet (08/14/2018)
Red Yeast Rice and Diet
Can taking red yeast rice lower cholesterol levels on top of reductions achieved by switching to a Mediterranean diet? See what a new study showed in the What It Does section of the Red Yeast Rice Review.

Also, be aware that red yeast rice may aggravate symptoms of a neurological disorder, as described in a recent case report noted in the Concerns and Cautions section of the Red Yeast Rice Review.
 CBD for Dogs (08/11/2018)
CBD for Dogs
Can CBD help dogs with osteoarthritis (worn joints)? Learn what a recent study found (as well as the dose used and a potential side effect) in the CBD for Pets section of the CBD & Hemp Supplements Review. (Also see our Top Picks for CBD for pets – as well as for people).
 Which Curcumin Formulation Is Best? (08/08/2018)
Which Curcumin Formulation Is Best?
Curcumin (which comes from turmeric) is not well absorbed unless taken with a fatty (oily) meal, so many formulations have been developed that enhance its absorption. Which of these is best absorbed? Find out in the Which form is best section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks among tested turmeric and curcumin supplements.)
 Vitamin D and Blood Sugar Control (08/07/2018)
Vitamin D and Blood Sugar Control
A recent study adds to the growing evidence that obtaining and maintaining adequate vitamin D levels can help with blood sugar control. For details about this and studies regarding vitamin D and diabetes, see the Diabetes, insulin resistance and glucose control section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D supplements.)
 Vitamin C for Colds? (08/03/2018)
Vitamin C for Colds?
Taking vitamin C may modestly help with colds, according to a new study -- but there's a catch. Find out in the What It Does section of the Vitamin C Supplements Review. (Also see our Top Picks for vitamin C supplements.)
 Probiotics & Exercise Performance (07/31/2018)
Probiotics & Exercise Performance
Can taking a daily probiotic improve exercise performance? Find out in the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks for probiotics.)
 Dry Eye, Fish Oil and Contact Lenses (07/28/2018)
Dry Eye, Fish Oil and Contact Lenses
Taking fish oil can help people with dry eye and it was recently studied for dry eye associated with wearing contact lenses. Find out what the recent study found and learn more about fish oil for dry eye in the What It Does section of the Fish Oil & Omega-3 Supplements Review. (Also see our Top Picks among fish oil supplements.)
 Melatonin and Menopause (07/28/2018)
Melatonin and Menopause
Can taking melatonin reduce the severity of menopause symptoms, such as difficulty sleeping, hot flashes, and sweats? Find out what a recent study showed in the What It Does section of the Melatonin Supplements Review. (Also see our Top Pick for melatonin.)
 Vitamin D and Leg Muscle Strength (07/24/2018)
Vitamin D and Leg Muscle Strength
Giving a moderate amount of vitamin D to women deficient in vitamin D was shown to improve leg muscle strength. A much higher dose did not. Get the details, including dosage, and learn about vitamin D for strength and balance in the Muscle, Balance, and Falls section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
 Cancer & High-Dose Vitamin D (07/21/2018)
Cancer & High-Dose Vitamin D
Does taking high-dose vitamin D reduce the risk of cancer? Find out what a major new study found in the Cancer section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D.)
 Fish Oil for Heart Health? (07/21/2018)
Fish Oil for Heart Health?
Are fish oil supplements good for the heart? See what a review of over 70 clinical trials concluded in the Heart Attack and Stroke section of the Fish Oil and Omega-3 Supplements Review.

Also, learn what fish oil can or cannot do for other health conditions, such as arthritis, in the What It Does section of the review. (See our Top Picks among fish and marine oils.)
 Green Tea as a Prebiotic (07/20/2018)
Green Tea as a Prebiotic
Green tea may have a prebiotic effect – stimulating the growth of beneficial bacteria in the gut. Find out what clinical trials are showing in the What It Does section of the Green Tea Review. (Also see our Top Picks among green tea products).
 Ashwagandha for Schizophrenia (07/17/2018)
Ashwagandha for Schizophrenia
Can ashwagandha reduce symptoms of schizophrenia? Find out what a new study suggests in the What It Does section of the Ashwagandha Review. (Also see our Top Pick among ashwagandha supplements.)
 Lower Cancer Risk With High Vitamin D? (07/17/2018)
Lower Cancer Risk With High Vitamin D?
A recent analysis suggests that breast cancer risk is lowest with vitamin D blood levels at or above 60 ng/mL -- an unusually high level. Before you try this at home, be sure to read our commentary in the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D.)
 Too Much Coconut Water? (07/17/2018)
Too Much Coconut Water?
Drinking too much coconut water can be dangerous, particularly for certain people. Get the details in the Concerns and Cautions section of the Coconut Waters Review. (Also see our tests and comparisons of popular coconut waters.)
 Fruit for the Eyes (07/13/2018)
Fruit for the Eyes
Can consuming certain foods or beverages reduce the risk of developing age-related macular degeneration (AMD) – a common eye disease? Yes, according to a recent study. Get the details in the food section of the Vision Supplements Review. (Also see our Top Rated vision supplements.)
 Fish Oil for Depression? (07/13/2018)
Fish Oil for Depression?
Several studies have evaluated omega-3 fatty acids to decrease the severity of depression. Find out if it works in the Depression section of the Fish Oil and Omega-3 Fatty Acid Supplements Review. (Also see our Top Picks among fish oil supplements.)
 Melatonin and Restless Legs Syndrome (07/13/2018)
Melatonin and Restless Legs Syndrome
Taking a melatonin supplement can help some people fall asleep, but a study suggests that it may be a problem for people with restless legs syndrome. Get the details, and learn about potential side effects of melatonin in the Concerns and Cautions section of the Melatonin Supplements Review.
 CoQ10 for Migraine (07/10/2018)
CoQ10 for Migraine
CoQ10 and its active form, ubiquinol, have been studied in several clinical trials to treat migraine headache. Find out what the research is showing in the Migraine section of the CoQ10 and Ubiquinol Supplements Review. (Also see our Top Picks among CoQ10 and ubiquinol supplements.)
 Multivitamins & Cardiovascular Disease (07/10/2018)
Multivitamins & Cardiovascular Disease
Does taking a multivitamin reduce the risk of heart disease and stroke? See what a recent analysis concluded in the Background section of the Multivitamin Review. (Also see our Top Picks among multivitamins.)
 Niagen for Blood Sugar Control? (07/10/2018)
Niagen for Blood Sugar Control?
Niagen, a brand of nicotinamide riboside (a form of niacin), was recently tested in a clinical trial to control blood sugar levels. Get the results in the Niacin section of the B Vitamins Review. (Also see our Top Picks among niacin supplements.)
 Vitamin D & Headache (07/07/2018)
Vitamin D & Headache
Recent studies suggest a connection between vitamin D blood levels and the frequency of headaches, including migraine. Get the details in the Headache section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
 Cooking With Turmeric (07/04/2018)
Cooking With Turmeric
Is cooking with turmeric a good way to get curcumin? How does it compare with taking a supplement? Find out what studies are showing in the ConsumerTips section of the Turmeric and Curcumin Supplements & Spices Review. (Also see our Top Picks for turmeric spices and turmeric/curcumin supplements.)
 Astaxanthin for Sun Protection? (07/01/2018)
Astaxanthin for Sun Protection?
Can taking an astaxanthin supplement improve the appearance of the skin or protect it from UV damage? See what a new study found in the What It Does section of the Astaxanthin Supplements Review. (Also see our Top Picks among astaxanthin supplements.)
 CBD Approved as Drug (06/26/2018)
CBD Approved as Drug
The first drug containing CBD was approved this week by the FDA. The dosage, however, is quite different from that being used by many as a supplement. Get the details in the CBD and Hemp Supplements Review. (Also see our Top Picks among CBD products.)
 Ubiquinol for Blood Sugar Control? (06/26/2018)
Ubiquinol for Blood Sugar Control?
Does giving ubiquinol (the active form of CoQ10) to people with type 2 diabetes help with blood sugar control? Find out in the What It Does section of the CoQ10 and Ubiquinol Supplements Review. (Also see our Top Picks among CoQ10 and ubiquinol supplements.)
 Probiotics for Bones (06/23/2018)
Probiotics for Bones
Can taking a daily probiotic help reduce bone loss? Find out what a year-long study showed in the Bone density and fractures section of the Probiotic Supplements Review. (Also see our Top Picks among probiotic supplements.)
 Vitamin D for Strength? (06/23/2018)
Vitamin D for Strength?
Muscles contain vitamin D receptors, but does giving high-dose vitamin D to women deficient in vitamin D improve their muscle strength? Get the answer in the recent update to the Muscle, balance and falls section of the Vitamin D Supplements Review.
 Intestinal Benefit of Cocoa? (06/20/2018)
Intestinal Benefit of Cocoa?
Cocoa flavanols may support intestinal health, according to an animal study with a cocoa powder that acted like a prebiotic. Get the details in the What It Does section of the Cocoa and Dark Chocolate Review. (Also see our Top Picks among cocoa and dark chocolate products.)
 Melatonin for Poor Sleepers (06/20/2018)
Melatonin for Poor Sleepers
For people who cannot fall asleep until early morning, a recent study showed some benefit with a low-dose form of melatonin. For details, see the What It Does section of the Melatonin Supplements Review. (Also see our Top Picks among melatonin supplements.)
 Cannabidiol (CBD) Side Effects (06/19/2018)
Cannabidiol (CBD) Side Effects
A CL Member recently reported developing "dry mouth" after using CBD oil. Dry mouth is among the potential side effects of CBD. Learn more about this and other CBD side effects in the Concerns and Cautions section of the CBD & Hemp Supplements Review. (Also see our Top Picks among CBD products.)
 Mediterranean Diet Study Retracted (06/15/2018)
Mediterranean Diet Study Retracted
A landmark study about the benefits of the Mediterranean Diet was retracted and republished this week. Does this change what we know about the benefits of extra virgin olive oil? Find out in the Cardiovascular Disease section of the Extra Virgin Olive Oil Review. (Also see our Top Picks among extra virgin olive oils.)
 Vitamin D & Colorectal Cancer Risk (06/15/2018)
Vitamin D & Colorectal Cancer Risk
What level of vitamin D is associated with the lowest risk of colorectal cancer according to a recent study? Find out in the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
 Better Bone Broth (06/15/2018)
Better Bone Broth
How a bone broth is prepared can significantly affect its content of amino acids - building blocks for muscle and collagen, according to a recent study. Learn how to find or make better bone broth in the ConsumerTips section of the Bone Broth Review. (Also see our Top Picks among bone broths.)
 Methylfolate vs. Folic Acid (06/12/2018)
Methylfolate vs. Folic Acid
Methylfolate (L-5-methylfolate, sold as Metafolin and Quatrefolic) is a form of folate promoted for use by people with common genetic mutations that affect the MTHFR enzyme. But is it really better than folic acid? A study recently tested them head-to-head. Get the results in the Folate section of the B Vitamins Review. Also see our Top Picks among methylfolate and folic acid products.
 Probiotic for IBS? (06/12/2018)
Probiotic for IBS?
Studies have shown that certain probiotics help relieve symptoms of irritable bowel syndrome (IBS), although this can depend on the type of IBS. The most recent study focused on people with diarrhea-predominant IBS. Get the results in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.
 Curcumin for Polyps? (06/09/2018)
Curcumin for Polyps?
Two studies tested whether or not curcumin can reduce polyps in the colons of people predisposed to getting them. See the results in the What It Does section of the Turmeric and Curcumin Supplements Review. Also see our Top Picks among curcumin supplements.
 Danger With Fake CBD Oil (06/09/2018)
Danger With Fake CBD Oil
A synthetic form of cannabidiol appears to be responsible for dozens of reports of adverse effects occurring shortly after taking certain CBD oil products. For details, see the Quality Concerns section of our Review. Also see our Top Picks among CBD and hemp extract products.
 Magnesium & Metabolic Syndrome (06/09/2018)
Magnesium & Metabolic Syndrome
A study shows that magnesium can significantly help some people suffering from metabolic syndrome (i.e., high blood sugar, high blood pressure, and related symptoms). Get the details in the What It Does section of the Magnesium Supplements Review. Also see our Top Picks among magnesium supplements.
 Resveratrol for Memory? (06/09/2018)
Resveratrol for Memory?
Does taking resveratrol improve memory in older men and women? See the results of the most recent study in the What It Does section of the Resveratrol Supplements Review. Also see our Top Picks among resveratrol supplements.
 Getting Choline (06/06/2018)
Getting Choline
Is it better to get choline naturally from foods or from supplements? A recent study addressed this question. Find out the answer in the ConsumerTips section of the Choline Supplements Review. Also see our Top Picks among products in this category.
 Berberine Side Effect (06/05/2018)
Berberine Side Effect
Supplements that contain berberine (a compound extracted from goldenseal) can cause a range of side effects, in addition to drug interactions. It was recently reported that berberine can cause a rare, but severe, skin reaction. Learn more in the Concerns and Cautions section of the Berberine and Goldenseal Supplements Review. Also see our Top Pick among products in this category.
 Krill Oil for Strength? (06/05/2018)
Krill Oil for Strength?
Evidence from several studies suggests that fish oil can help modestly improve muscular strength and/or endurance and enhance the effects of training. A recent study investigated whether krill oil can do the same. See the results in the What It Does section of the Omega-3 Fatty Acid Supplements Review (Fish, Krill, and Algal Oils). Also see our Top Picks among products in this category.
 Magnesium for Depression? (06/02/2018)
Magnesium for Depression?
Magnesium may help some people with depression according to a recent placebo-controlled study. Learn more in the What It Does section of the Magnesium Supplements Review. Also see our Top Picks for magnesium.
 Melatonin and Balance (06/02/2018)
Melatonin and Balance
If you take melatonin, be aware that it can potentially affect balance for a period of time, as demonstrated in a recent study. For details, see the Concerns and Cautions section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.
 Probiotic Effective for People With Mania (05/30/2018)
Probiotic Effective for People With Mania
A daily probiotic was shown to greatly reduce the risk of rehospitalization for acute mania among people recently hospitalized for this condition. The probiotic contained strains common in products that ConsumerLab has tested and reviewed. For details, see the What It Does section of the Probiotic Supplements Review.
 Do We Really Need More Lithium? (05/26/2018)
Do We Really Need More Lithium?
Studies have shown higher rates of mental illness and dementia in areas with the lowest levels of lithium in the water, suggesting that people supplement with lithium. However, a new study raises doubts about this. For details, see the What It Does section of the Low-Dose Lithium Supplements Review.
 Collagen for Ankle Pain and Sprains? (05/22/2018)
Collagen for Ankle Pain and Sprains?
A new study investigated the effects of collagen supplementation on ankle stability, pain and sprains in athletes. Find out if it helped in the What It Does section of the Bone Broth Review (which includes information about collagen). (Also see how much collagen we found in popular bone broths, and our Top Picks among products).
 Eat Fish for Heart Health (05/22/2018)
Eat Fish for Heart Health
The American Heart Association recently affirmed that eating fish may help to reduce the risk of cardiac death, coronary heart disease, and ischemic stroke. However, the same cannot be said for fish oil supplements. Get the details in the What It Does section of the Fish Oil Supplements Review. Also, stay tuned: ConsumerLab is currently testing popular brands of canned tuna and salmon to assess their purity and levels of omega-3 fatty acids.
 Hair & Nail Supplements Can Skew Lab Tests (05/22/2018)
Hair & Nail Supplements Can Skew Lab Tests
There are reports of high-dose biotin (common in "hair and nail" supplements) causing false readings on blood tests. Be sure to tell your doctor if you're taking high-dose biotin. Get the details in the Biotin section of the B Vitamin Supplements Review.
 Protein for Exercisers (05/20/2018)
Protein for Exercisers
What happens when you give extra protein to women who regularly perform resistance exercise? Extra good things, according to a recent study. See the details (including dosage) in the What It Does section of the Protein Powders, Shakes, and Drinks Review. (Also see our Top Picks among protein products).
 Casein at Night? (05/15/2018)
Casein at Night?
It has been suggested that casein protein be taken at bedtime because it is absorbed relatively slowly, providing a more continuous supply of amino acids throughout the night to maintain muscle. A study recently put this theory to the test. See the results in the Casein section of the Protein Powders Review. Also see our Top Picks among products.
 Fish Oil for Joints (05/15/2018)
Fish Oil for Joints
See what happened when high-dose fish oil was given for a year to older men and women in the Arthritis and Other Inflammatory Diseases section of the Fish Oil Supplements Review. Also see our Top Picks among fish oils and other omega-3 supplements.
 Too Much Vitamin B6 (05/15/2018)
Too Much Vitamin B6
Be aware that you can get too much vitamin B6 from supplements and energy drinks. This can result in nerve damage and other adverse effects, as has been recently reported. For details, see the B6 section of the B Vitamin Supplements Review.
 Cinnamon for Arthritis (05/05/2018)
Cinnamon for Arthritis
Taking cinnamon as a supplement was found to decrease symptoms of rheumatoid arthritis in a recent study. Get the details and learn what else cinnamon can do (particularly regarding blood sugar) in the What It Does section of the Cinnamon Supplements & Spices Review. (Also see our test results for popular cinnamon supplements).
 Delaying Menopause (05/05/2018)
Delaying Menopause
A new study found that diet may influence the age at which menopause occurs in women. This is important because later menopause has been associated with lower risk of many health conditions. Find out which foods are associated with later or earlier menopause in the Background section of the Menopause Supplements Review. (Also see what we found in supplements intended to treat menopause symptoms.)
 Choosing Olive Oil for Cholesterol Benefit (05/02/2018)
Choosing Olive Oil for Cholesterol Benefit
Certain types of olive oil may be more effective at improving cholesterol levels according to a recent analysis. Find out more in the What It Does section of the Extra Virgin Olive Oil Review. (Also see our Top Picks among extra virgin olive oils).
 Can L-Arginine Cause Pancreatitis? (05/01/2018)
Can L-Arginine Cause Pancreatitis?
Although uncommon, there have been reports of acute pancreatitis occurring in conjunction with L-arginine use. Get the details and learn about other possible side effects of arginine in the Concerns and Cautions section of the L-arginine Supplements Review.
 Dark vs. Milk Chocolate for Vision? (04/29/2018)
Dark vs. Milk Chocolate for Vision?
A recent study compared the effects on visual acuity of eating a bar of dark chocolate versus milk chocolate. Find out which was better in the Vision section of the Dark Chocolates, Cocoa Powders, and Cacao Nibs Review. (Also see our product tests, comparisons, and Top Picks.)
 When to Take Protein (04/29/2018)
When to Take Protein
When is the best time of day to take a protein supplement if you want to gain muscle but lose fat? An analysis of over 30 clinical studies involving protein supplementation and resistance exercise recently addressed this question. Get the answer and details in the ConsumerTips section of the Protein Powders, Shakes and Drinks Review. (Also see our Top Picks among protein products).
 Avoiding Green Tea Toxicity (04/24/2018)
Avoiding Green Tea Toxicity
The European counterpart to the FDA recently issued its conclusions regarding toxicity from green tea catechins. Get the details in the Concerns and Cautions section of the Green Tea Review.
 Fish Oil for Cognition? (04/21/2018)
Fish Oil for Cognition?
Does giving older people a high dose of fish oil help them with memory and thinking? A recent study helped answer this question. Get the answer and details in the What It Does section of the Fish Oil Supplements Review.
 MitoQ Trial (04/21/2018)
MitoQ Trial
A recent study assessed the effect of MitoQ, a compound related to CoQ10, on the functioning of arteries in older adults. Get the results and learn more about MitoQ in the ConsumerTips section of the CoQ10 Supplements Review.
 Fish Oil for Dry Eye? (04/14/2018)
Fish Oil for Dry Eye?
A major study evaluated the effects of supplementing with the omega-3 fatty acids EPA and DHA in people with dry eye. Get the results and details in the What It Does section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oil supplements).
 CBD for Schizophrenia? (04/10/2018)
CBD for Schizophrenia?
People with schizophrenia were given CBD (cannabidiol) twice daily in the hope that it would improve symptoms and cognitive performance. Find out if it helped in the What It Does section of the CBD Supplements Review. (Also see our test results for CBD products.)
 Curcumin for Cognition? (04/06/2018)
Curcumin for Cognition?
Did high-dose curcumin (derived from turmeric) improve cognition or reduce fatigue in healthy middle-aged and older people in a recent study? Find out what curcumin can and can’t do in the What It Does section of the Turmeric & Curcumin Supplements Review. (Also see our Top Picks among curcumin and turmeric products.)
 What Niagen Does (04/03/2018)
What Niagen Does
Niagen (nicotinamide riboside) has been promoted as an anti-aging supplement. Find out what's been shown in clinical studies, including one published recently, in the Niacin section of the B Vitamin Supplements Review.
 Type 2 Diabetes and Vitamin D (04/01/2018)
Type 2 Diabetes and Vitamin D
Maintaining an adequate level of vitamin D is associated with a lower risk of type 2 diabetes. But does giving vitamin D to people with existing type 2 diabetes help them with glucose control? Find out what research is showing in the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
 Green Tea and Ovarian Cancer (03/27/2018)
Green Tea and Ovarian Cancer
Drinking green tea was associated with a reduced risk of developing ovarian cancer in a recent analysis. Get the details about this and green tea’s relationship to other types of cancer in the What It Does section of the Green Tea Review. (Also see our test results for various types of green tea, including matcha, bagged tea, loose tea, and supplements.)
 Does Extra Protein Help? (03/20/2018)
Does Extra Protein Help?
What effect does giving older men a daily protein supplement and/or a weekly testosterone shot have? Find out in the What It Does section of the Protein Powders, Shakes, and Drinks Review. The section also provides information about the effects of extra protein in other populations. (Also see our Top Picks among protein supplements.)
 Saw Palmetto for Prostate? (03/20/2018)
Saw Palmetto for Prostate?
Saw palmetto extract was once popular for reducing symptoms of prostate enlargement, but studies subsequently failed to find a benefit. A recent study assessed whether it could boost the effectiveness of conventional medical treatment. Get the results in the What It Does section of the Saw Palmetto Supplements Review.
 High-Dose Vitamin D & Cholesterol (03/17/2018)
High-Dose Vitamin D & Cholesterol
Giving high-dose vitamin D to people who are not deficient in it may backfire and increase cholesterol levels, as seen in a recent study. Get the details in the Concerns and Cautions section of the Vitamin D Supplements Review. (Also see our Top Picks among products).
 L-Arginine for Workouts? (03/17/2018)
L-Arginine for Workouts?
A recent study assessed whether taking L-Arginine before a high-intensity workout decreased muscle soreness after the workout. Get the results and more details in the Exercise Endurance and Recovery section of the L-Arginine Supplements Review. (Also see our Top Picks among products).
 Apple Cider Vinegar for Decreasing Appetite & Weight (03/13/2018)
Apple Cider Vinegar for Decreasing Appetite & Weight
Apple cider vinegar is often promoted for decreasing appetite and weight, but there have been few studies to show whether it works. Find out what a new study found in the Apple Cider Vinegar Review >> (Also see our Top Picks among products).
 B12 Dosage (03/07/2018)
B12 Dosage
A study compared the effects of a high weekly dose of vitamin B12 versus a much lower dose given daily. Both worked equally well. Find out why and get more details about B12 dosing in the B-12 section of B Vitamin Supplements Review.
 Statins and Green Tea (03/07/2018)
Statins and Green Tea
If you take a statin drug to lower your cholesterol, be aware that green tea can moderately affect blood levels of certain statins, as noted in a recent report. This effect also depends on the amount of green tea consumed and individual variability. For details see the Concerns and Cautions section of the Green Tea Review.
 Do Probiotics Affect Weight? (03/06/2018)
Do Probiotics Affect Weight?
Studies have shown some probiotics to help somewhat with weight loss and/or slimming, while others have shown no effect. However, a recent study with a popular probiotic found that it increased weight. Get the details in the Weight and fat loss section of the Probiotic Supplements Review.
 Calcium and Colon Polyp Risk (03/02/2018)
Calcium and Colon Polyp Risk
A large study evaluated the effects of taking calcium and/or vitamin D on the risk of developing precancerous colorectal polyps in people with previous polyps. While there was no effect during the study, a follow up study is now showing much higher rates of polyps among those who had taken certain supplements. Get the details in the What It Does section of the Calcium Supplements Review.
 Cannabidiol (CBD) for Epilepsy Treatment (02/27/2018)
Cannabidiol (CBD) for Epilepsy Treatment
Commercially available CBD (cannabidiol) preparations were found to be as effective as a prescription anticonvulsant as an add-on therapy for children with epilepsy in a recent study. CBD was less likely to cause side effects than the drug. Get the details, including dosage, in the What It Does section of the CBD & Hemp Supplements Review (which includes our Top Picks).
 Ginseng Role in Diabetes (02/27/2018)
Ginseng Role in Diabetes
Results of a recent study suggest that a form of ginseng can help control blood sugar in people with type 2 diabetes. Get the details in the What It Does section of the Ginseng Supplements Review.
 Matcha Green Tea for Memory & Cognition? (02/27/2018)
Matcha Green Tea for Memory & Cognition?
Can drinking matcha green tea enhance memory or have other cognitive benefits? Find out what a recent study showed in the Memory and Cognition section of the Green Tea Review.
 Folic Acid, Multis & Autism Risk (02/25/2018)
Folic Acid, Multis & Autism Risk
The use of a folic acid or multivitamin supplement during pregnancy was associated a reduced risk of autism spectrum disorder in children according to a recently published study. Be aware, however, that high-dose folic acid during pregnancy may have negative effects. For details, see the Folic Acid section of the B Vitamins Review.
 Risk With Too Much Selenium (02/21/2018)
Risk With Too Much Selenium
Taking too much selenium was found to increase the risk of death in a newly published study. How much is too much? Get the details in the Concerns and Cautions section of the Selenium Supplements Review.
 CoQ10 for Nerve Pain (02/17/2018)
CoQ10 for Nerve Pain
Taking CoQ10 along with standard medication may decrease trigeminal (facial) nerve pain more than medication alone, according to a new study. For details, including dosage, see the What It Does section of the CoQ10 and Ubiquinol Supplements Review. (Also see our Top Picks among products).
 Fish Oil for Ulcerative Colitis (02/13/2018)
Fish Oil for Ulcerative Colitis
A special formulation of high-dose fish oil was found to help people with ulcerative colitis remain in remission in a placebo-controlled study. It also reduced levels of a key marker of inflammation. For details, see the Arthritis and Other Inflammatory Diseases section of the Fish Oil Supplements Review.
 Protein Enhances Muscle Gain in Young and Old (02/10/2018)
Protein Enhances Muscle Gain in Young and Old
Consuming extra protein, up to a point, was found to help both younger and older people increase muscle strength and size as part of resistance exercise training. For details see the What It Does section of the Protein Powders Review. (Also see our Top Picks among protein powders).
 Does Protein Hurt Bones? (02/07/2018)
Does Protein Hurt Bones?
It has been speculated that high-protein diets can result in calcium loss from bone. A recent study tested this. Get the results in the Concerns and Cautions section of the Protein Powders Review -- which also discusses a concern with dehydration. (If you use protein powders, see our Top Picks).
 Lead in Maca Powder (02/03/2018)
Lead in Maca Powder
A woman in California who was taking maca powder daily to treat fatigue found it was also increasing the concentration of lead in her blood. More concerning is that the amount of lead in her maca was only 1/3 the lead level in one of the popular maca powders tested by ConsumerLab.com. Get the details, and find out which maca supplements passed or failed ConsumerLab.com’s tests in the Maca Supplements Review.
 Disheartening Fish Oil News (02/03/2018)
Disheartening Fish Oil News
Another report was published this week showing no cardiovascular benefit from fish oil supplementation. You can get the details in the Heart Attack and Stroke section of the Fish Oil Supplements Review. Fish oil may provide cardiovascular benefit in limited situations, as explained in the Review.
 A Case of Too Much Iodine (01/28/2018)
A Case of Too Much Iodine
A woman with hypothyroidism was hospitalized due to a change in mental state and physical symptoms resulting from getting too much iodine from iodine-containing supplements. For details and upper limits for iodine intake, see the Concerns and Cautions section of the Kelp Supplements Review.
 L-Carnitine Caution (01/28/2018)
L-Carnitine Caution
A study in which L-carnitine was given to women during chemotherapy had a surprising result: It worsened side effects. Get the details in the Concerns and Cautions section of the Acetyl-L-Carnitine Supplements Review.
 A Reason to Take Fish Oil With Statins? (01/23/2018)
A Reason to Take Fish Oil With Statins?
It's well known that high-dose fish oil can lower elevated triglycerides. But can it help people already on a statin drug? A recent clinical trial answered this question. Get the details, including the dose of fish oil used, in the "Heart Attack and Stroke section of the Fish Oil Omega-3 Fatty Acid Supplements Review. (Also see our Top Picks among products.)
 FDA Finds High Cadmium in Cocoa Products (01/17/2018)
FDA Finds High Cadmium in Cocoa Products
Researchers from the U.S. FDA recently reported finding high levels of cadmium in cocoas as well as cocoa nibs and dark chocolates – particularly in cocoas from certain parts of the world. The results are similar to what ConsumerLab has reported. For details, see the Dark Chocolate, Cocoa Powder, Nibs, Extracts & Supplements Review >>
 Curcumin for Depression (01/16/2018)
Curcumin for Depression
Can curcumin reduce symptoms of major depression in people who are already taking an antidepressant? See what a new study found in the "What It Does" section of the Turmeric & Curcumin Supplements Review >> (Also see our Top Picks among products.)
 Lutein and Zeaxanthin Improve Memory (01/16/2018)
Lutein and Zeaxanthin Improve Memory
Lutein and zeaxanthin may help to slow the progression of age-related macular degeneration in people with low blood levels of lutein. A new study suggests these compounds may have another benefit -- improving memory in some people. Get the details in the "What It Does" section of the Vision Supplements Review >> (Also see our top choices among products.)
 Link Between Vitamin D and Multiple Sclerosis? (01/16/2018)
Link Between Vitamin D and Multiple Sclerosis?
Although some studies suggest vitamin D deficiency is a risk factor for developing multiple sclerosis, a recent review found vitamin D intake was not associated with a reduced risk. Learn more in the "What It Does" section of the Vitamin D Supplements Review >>
 B12 for Cognition (01/13/2018)
B12 for Cognition
Numerous studies show that getting adequate intake of B vitamins, such as B12, and, perhaps, omega-3 fatty acids from fish, may slow age-related declines in memory and cognition. But not everyone should expect a benefit, as shown in a recent study. For details, see the Memory, Cognition, and Alzheimer's Disease section of the B Vitamin Supplements Review. (Also see our Top Picks among products.)
 Take Choline When Pregnant (01/13/2018)
Take Choline When Pregnant
It was recommended last year that women take a choline supplement when pregnant. Adding momentum to this recommendation is a recent study showing that giving pregnant women a larger amount of choline than normally considered adequate resulted in improved information processing speeds in their infants. Currently, choline is not found in most prenatal vitamins. For more information, see the During Pregnancy and Lactation section of the Choline Supplements Review. (Also see our Top Picks among products.)
 Curcumin for Knee Osteoarthritis (01/09/2018)
Curcumin for Knee Osteoarthritis
A type of curcumin that has been Approved for Quality by ConsumerLab.com was found to be modestly effective in treating symptoms of knee osteoarthritis in a recently published study. For details see the Osteoarthritis section of the Turmeric & Curcumin Supplements Review.  

The same study found that combining curcumin with boswellia may be advantageous. Learn more about this and other popular supplements for joint health in the Joint Supplements Review >>
 Vitamin D's Cardiovascular Effect (01/06/2018)
Vitamin D's Cardiovascular Effect
Taking vitamin D can improve aspects of cardiovascular function in certain situations, as shown in a recently published study. Get the details in the "Cardiovascular disease, blood pressure, and cholesterol" section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
 Can CoQ10 Lower Cholesterol? (01/06/2018)
Can CoQ10 Lower Cholesterol?
A recent study looked at whether CoQ10 can lower cholesterol in people with elevated levels. Find out what the study found and details about dosage in the "What it Does" section of the CoQ10 and Ubiquinol Supplements Review >> (Also see our Top Picks among products.)
 Does Curcumin Lower Cholesterol? (01/02/2018)
Does Curcumin Lower Cholesterol?
A recent study evaluated whether curcumin can help lower cholesterol levels, as well as further reduce levels in people using a phytosterol spread. Get the results and details about the type and dose of curcumin used, in the "What It Does" section of the Turmeric & Curcumin Supplements Review >> (Also see our Top Picks among products.)  

For more about cholesterol-lowering, also see our Phytosterol Supplements Review >>
2017 Folic Acid & Risk of Autism (12/26/2017)
Folic Acid & Risk of Autism
Supplementing with adequate (and not excessive) folic acid around the time of conception is associated with a lower risk of autism in offspring, and a recent study suggests this may be particularly important for women who take antiepileptic medication. For details, see the "Folate" section of the B Vitamin Supplements Review >> (Also see information about getting folic acid from prenatal vitamins in the "Prenatal" section of the Multivitamin Review.)
 Folic Acid for Cognition (12/23/2017)
Folic Acid for Cognition
Giving folic acid to older people with relatively low levels of blood folate resulted in improved cognitive performance, according to a recent study. For details, see the "Memory, Cognition, and Alzheimer's Disease" section in the B Vitamin Supplements Review >> (Also see our Top Picks for folate and other B vitamin supplements.)
 Can Fish Oil Help Statins? (12/20/2017)
Can Fish Oil Help Statins?
Adding fish oil to cholesterol-lowering statin therapy was found to provide added benefit in certain situations. See the details, including dosage of EPA and DHA, in the "What It Does" section of the Fish Oil Supplements Review > (Also see our Top Picks for fish oil supplements).
 Probiotic for Dermatitis (12/19/2017)
Probiotic for Dermatitis
Atopic dermatitis is a recurrent, itchy inflammation of the skin. Taking a daily probiotic mixture was found to significantly reduce symptoms and the need for topical steroids in children with atopic dermatitis. Details are in the "What It Does" section of the Probiotic Supplements Review >>
 Vitamin A & Autism (12/17/2017)
Vitamin A & Autism
Giving vitamin A to young children with autism spectrum disorders and low blood levels of vitamin A (as retinol) seemed to improve some symptoms of ASD, according to a pilot study. For details, see the "What It Does" section of the Vitamin A Supplements Review >>
 Tea & Iron Absorption (12/16/2017)
Tea & Iron Absorption
A surprising number of foods and beverages, including tea, can interfere with the absorption of iron. When you drink your tea can make a big difference, according to a new study. Get the details in the Iron Supplements Review >>
 Danger from Too Much Vitamin B6 (12/14/2017)
Danger from Too Much Vitamin B6
A women who was consuming large amounts of an energy drink as well as a B-vitamin complex developed symptoms of vitamin B6 (pyridoxine) toxicity (which may not be reversible), according to a recent report. Get the details in the "B6" section of B Vitamin Supplements Review >>

CL has long warned that energy drinks and shots often contain large amounts of B6 and other B vitamins.
 Skin Rash from Ginkgo (12/12/2017)
Skin Rash from Ginkgo
Although not common, be aware that skin reactions have been reported from taking Ginkgo biloba. The most recent report involved a young man who experienced symptoms the same day he began taking a popular ginkgo supplement. See the details in the "Concerns and Cautions" section of the Ginkgo Supplements Review >>
 Lower Heart Risk With Olive Oil (12/10/2017)
Lower Heart Risk With Olive Oil
Using olive oil was associated with a dramatic reduction in the risk of cardiovascular disease in a recent study. But what about using olive oil along with other oils? Get the results and learn more in the "What It Does" section of the Extra Virgin Olive Oils Review. Also see our Top Picks among extra virgin olive oils.
 Creatine Pumps Up Muscles (12/09/2017)
Creatine Pumps Up Muscles
Giving creatine during a resistance-training program significantly boosted muscle size more than placebo in a recent study – and certain muscles increased in size more than others. Learn more in the "What It Does" section of the Muscle & Workout Supplements Review (Creatine & BCAAs). (Also see our Top Picks and Cautions and Concerns for creatine).
 Biotin Interference With Vitamin D Test (12/05/2017)
Biotin Interference With Vitamin D Test
Last week we reported that high doses of biotin (found in B complexes and hair and nail supplements) can interfere with certain blood tests. A study recently showed that biotin can also artificially inflate a test for vitamin D. Get the details in the "Biotin" section of the B Vitamin Supplements Review >>
 Fish Oil for Stress? (12/05/2017)
Fish Oil for Stress?
A recent study investigated whether taking fish oil rich in the omega-3 fatty acid EPA would reduce chronic stress. See the results in the "What It Does" section of the Fish Oil Supplements Review >>
 What NAC (N-Acetylcysteine) (12/04/2017)
What NAC (N-Acetylcysteine)
NAC is both a supplement and a drug used to treat conditions ranging from flu and chronic bronchitis to compulsive behavior. A recent study evaluated its use in preventing kidney injury during angiography (imaging of blood vessels). Get the results and learn more in the "What It Does" section of the NAC (N-Acetylcysteine) Supplements Review >> Also see our top choices among NAC supplements.
 Autism Risk With Low Vitamin D (12/02/2017)
Autism Risk With Low Vitamin D
Babies born with very low blood levels of vitamin D are more likely to be autistic, according to a new study. This is consistent with a study published last year showing a higher rate of autistic children in mothers with very low vitamin D blood levels during pregnancy. Get the details in the "What It Does" section of the Vitamin D Supplements Review >> (Also see our Top Picks among vitamin D supplements.)
 Citrulline for Improving Exercise? (12/02/2017)
Citrulline for Improving Exercise?
Citrulline, a compound which is converted to arginine in the body, is often added to workout supplements to improve exercise performance. But does it really help? See what a new study found in the "What It Does" section of the L-Arginine Supplements Review >> (Also see our Top Picks among L-arginine supplements.)
 Curcumin for Muscle Soreness (11/28/2017)
Curcumin for Muscle Soreness
Another study was published recently suggesting that curcumin can reduce muscle soreness after exercise. However, the efficacy of curcumin for this use is questionable. For details, see the "What It Does" section of the Turmeric and Curcumin Supplements Review >> (Also see our Top Picks for turmeric and curcumin supplements.)
 Growing Concern with Biotin Causing False Lab Results (11/28/2017)
Growing Concern with Biotin Causing False Lab Results
Biotin (a B vitamin found in B-complex and hair and nail supplements) can interfere with laboratory results resulting in the missed diagnosis or misdiagnosis of cardiovascular and hormonal conditions, such as Graves' disease (a form of hyperthyroidism). Physicians and lab personnel may be unaware of this interference. For details, see the "Biotin" section of the B Vitamins Review >>
 Signs of B12 Deficiency (11/26/2017)
Signs of B12 Deficiency
B12 deficiency is not uncommon, most often affecting older people. Symptoms include anemia, fatigue, tingling in the arms and legs and loss of balance -- but a recent case report highlights a lesser-known sign of B12 deficiency. Find out more, plus how much B12 you should get in the "B12" section of the B Vitamins Review >> (Also see our Top Picks for vitamin B12 and other B vitamins.)
 How Hot Should Green Tea Be? (11/25/2017)
How Hot Should Green Tea Be?
Drinking green tea may reduce the risk of certain cancers, but its effect on gastric (stomach) cancer may depend on the temperature at which you drink it, according to a new study. Find out what the best temperature seems to be in the "What It Does" section of the Green Tea Review >> (Also see how brands of green tea, including matcha, stack up in our tests.)
 Vitamin D and Cardiovascular Disease (11/21/2017)
Vitamin D and Cardiovascular Disease
Can high doses of vitamin D improve cardiovascular function? A large, one-year study in England recently sought to answer this question. Learn what the researchers discovered in the "What It Does" section of the Vitamin D Supplements Review (which includes our Top Picks for vitamin D supplements).
 How Much Tea Is Safe? (11/14/2017)
How Much Tea Is Safe?
Green and black teas contain fluoride, which helps build teeth and bones, but excessive intake of teas can cause teeth and bones to become brittle ("fluorosis"). How many cups of tea are safe? Find out now based on recent tests of fluoride in green, black, and herbal teas in the "Concerns and Cautions" section of the Green Tea Review >>
 Curcumin for Memory (11/10/2017)
Curcumin for Memory
There is mixed evidence on whether or not curcumin helps improve memory. A recently published study found that a proprietary formula helped, although, last year, a study using a different formula failed to help. In both cases, certain side effects were more common among those taking curcumin than placebo. Get the details in the "What It Does" section of the Turmeric & Curcumin Supplements Review >> [Also see our Top Picks for dark chocolate bars in the Review.]
 Curcumin Drug Interaction (11/09/2017)
Curcumin Drug Interaction
Curcumin, from turmeric, can affect many prescription drugs. The most recent report involves an immunosuppressive drug also used in cancer treatment. For details about this interaction and other drug interactions of curcumin and turmeric, see the "Concerns and Cautions" section of the Turmeric & Curcumin Supplements Review >>
 Dark Chocolate for Memory (11/08/2017)
Dark Chocolate for Memory
Short-term studies suggest that large doses of cocoa flavanols improve certain aspects of memory and cognition. A new study suggests that long-term habitual intake of dark chocolate, which is rich in flavanols, can also help. For more information, see the "What It Does" section of the Dark Chocolate and Cocoa Review >> [Also see our Top Picks for dark chocolate bars in the Review.]
 Melatonin Improves Sleep in Children with Autism (11/07/2017)
Melatonin Improves Sleep in Children with Autism
Prolonged-release melatonin helped children with autism fall asleep faster and stay asleep longer in a new study. Get the details, plus more about the best way to take melatonin to get a good night's sleep, in the "What It Does" section of the Melatonin Supplements Review >> [Also see our Top Picks for melatonin supplements in the Review.]
 B Vitamins for Memory (11/04/2017)
B Vitamins for Memory
Many studies suggest that adequate intake of B vitamins slows age-related declines in memory and cognition. This was recently shown again in a study in England. Find out which B vitamins help, and how much you need, in the "What It Does" section of the B Vitamin Supplements Review >> [Also see our Top Picks for B vitamin supplements in the Review.]
 Cereal Fiber Reduces Risk of Death from Colorectal Cancer (11/04/2017)
Cereal Fiber Reduces Risk of Death from Colorectal Cancer
Higher intakes of dietary fiber are associated with a lower risk of colorectal cancer. A new study suggests that higher intakes of fiber from cereal may reduce the risk of dying among those who have the disease. How much is needed for a benefit? Get the details in the "What It Does" section of the Oat Cereals Review >> [Also see our Top Picks for oat cereals in the Review.]
 CoQ10 for Orthostatic Hypotension (10/31/2017)
CoQ10 for Orthostatic Hypotension
CoQ10 may help reduce the fall in blood pressure that occurs in orthostatic hypotension (low blood pressure upon standing) according to a recent report. See the details in the "What It Does" section of the CoQ10 and Ubiquinol Supplements Review >> [Also see our Top Picks for CoQ10 supplements in the Review.]
 Fish Oil for Focus in Kids? (10/31/2017)
Fish Oil for Focus in Kids?
Fish oil supplementation was shown to improve executive functioning in children, according to a study that focused on children with mood disorders. For details, see the "What It Does" section of the Fish Oil and Omega-3 Fatty Acids Supplements Review >> [Also see our Top Picks for fish oil supplements in the Review.]
 Best form of B12? (10/29/2017)
Best form of B12?
It’s important for many older adults and people using medications that reduce stomach acid to take a vitamin B12 supplement. Three different forms of B12 are sold. A recent study suggests that one may be better than another. Get the details in the B12 (cobalamin) section of the B Vitamin Supplements Review >> [Also see our Top Pick for B12 supplements in the Review.]
 Vitamin D for Asthma (10/24/2017)
Vitamin D for Asthma
Taking vitamin D can reduce the number of asthma exacerbations that require corticosteroid treatment, according to a recent study. Get the details in the "What It Does" section of the Vitamin D Supplements Review >> [Also see our Top Picks among vitamin D supplements in the Review.]
 Denture Adhesive Concern (10/24/2017)
Denture Adhesive Concern
Copper deficiency can result from continued use of zinc-containing denture adhesives, according to a new report. Get the details in the "Concerns and Cautions” section of the Zinc Supplements Review >>
 Vitamin D Toxicity (10/24/2017)
Vitamin D Toxicity
Getting too much vitamin D is associated with negative effects. With continued use of enormous doses of vitamin D, toxic effects can occur, as has been reported with the use of a protein supplement containing vitamin D. See the details in the "Concerns and Cautions" section of the Vitamin D Supplements Review >>
 Probiotic Reduces Colic (10/18/2017)
Probiotic Reduces Colic
A widely sold probiotic was able to reduce by half the amount of crying in infants with colic, according to a placebo-controlled study. For details, see the "What It Does" section of the Probiotic Supplements Review >>
 Fatty Liver and Vitamin D (10/14/2017)
Fatty Liver and Vitamin D
A recent study showed that it is difficult to raise vitamin D levels in some people who have non-alcoholic fatty liver disease -- a condition affecting 30% of Americans. This is concerning, as there may be benefits to raising low levels of vitamin D in such people. Learn more in the "What It Does" section of the Vitamin D Supplements Review >>
 Reducing Dementia With Magnesium? (10/14/2017)
Reducing Dementia With Magnesium?
In a recently published study, investigators looked to see if taking a magnesium supplement reduces the risk of dementia. See what they found in the "What It Does" section of the Magnesium Supplements Review >>
 Turmeric (Curcumin) and Cholesterol (10/14/2017)
Turmeric (Curcumin) and Cholesterol
Turmeric and curcumin (from turmeric) can help lower levels of LDL "bad" cholesterol and triglycerides, according to a recent review of studies. Certain formulations may be better than others. Get the details in the "What It Does" section of the Turmeric and Curcumin Supplements Review >>
 Ginger for Nausea During Chemo? (10/11/2017)
Ginger for Nausea During Chemo?
Ginger and ginger extracts help reduce nausea in certain situations. A recent placebo-controlled study evaluated its effect on people undergoing chemotherapy and the results suggest it may be more useful in some people than in others. For details, see the "What It Does" section of the Ginger Supplements Review, which includes our Top Picks for ginger root powders and extracts.
 Green Tea & Prostate Cancer (10/06/2017)
Green Tea & Prostate Cancer
A recent study investigated the effects of green tea extract in men with pre-cancerous changes of the prostate. Find out if it helped in the "What It Does" section of the Green Tea Supplements and Drinks Review >>
 Caution When Taking Epsom Salt (10/03/2017)
Caution When Taking Epsom Salt
A case of liver injury was recently reported in a man taking a large daily dose of Epsom salt (magnesium sulfate). Get the details, plus more about safety issues with magnesium supplements in the "Concerns and Cautions" section of the Magnesium Supplements Review >>
 Does Lutein Help? (10/01/2017)
Does Lutein Help?
Lutein is an antioxidant that helps protect the retina of the eye and can slow the progression of macular degeneration. But does taking lutein help if you already have normal macular density? Two studies have “looked” at this question (including one published this week) and, you can “see” the answer in the “What It Does” section of Vision Supplements (Lutein & Zeaxanthin) Review >>
 Paleo Diet and Iodine (10/01/2017)
Paleo Diet and Iodine
The "Paleo" diet excludes table salt and dairy products, which are sources of iodine. A recent study investigated whether or not this causes iodine deficiency (which is also a concern with a vegan diet). Get the details in the "Iodine" section of the Multivitamin/Multimineral Supplements Review >>
 Changed VSL#3 Probiotic? (09/27/2017)
Changed VSL#3 Probiotic?
VSL#3 is a popular probiotic, but a new study suggests that the currently marketed product may be somewhat different and not have all the same effects as the earlier product. For details, see the ConsumerTips section of the Probiotic Supplements Review >>
 Lowering Cholesterol with Red Yeast Rice and Phytosterols (09/27/2017)
Lowering Cholesterol with Red Yeast Rice and Phytosterols
Red yeast rice and phytosterols help lower cholesterol through different mechanisms. Does combining them help more? See what two studies found in the ConsumerTips section of the Cholesterol-Lowerers Review >>
 Magnesium and Dementia (09/23/2017)
Magnesium and Dementia
A recent study found an association between magnesium levels in the blood and the risk of developing dementia. See the details in the "What It Does" section of the Magnesium Supplements Review >>
 Niacinamide for Alzheimer's Disease? (09/19/2017)
Niacinamide for Alzheimer's Disease?
Niacinamide (a form of niacin) has been promoted as a way to protect against memory loss associated with Alzheimer's disease – a claim based on studies in mice. A recent study put this to the test in people. See the results in the "Niacin" section of the B Vitamin Supplements Review >>
 Olive Oil and Prostate Cancer (09/10/2017)
Olive Oil and Prostate Cancer
Another possible benefit of olive oil within a Mediterranean diet is a reduced risk of aggressive prostate cancer, according to a new study. For details about this and other benefits of olive oil, see the updated "What It Does" section of the Extra Virgin Olive Oils Review, which includes our Top Picks among products.
 Turmeric for Arthritis? (09/06/2017)
Turmeric for Arthritis?
Curcumin (from turmeric) has shown promise in reducing the pain and inflammation of rheumatoid arthritis in several small studies, including one that was recently published. However, larger studies are needed to prove this benefit. Details are found in the "What It Does" section of the Turmeric and Curcumin Supplements Review (which includes our Top Picks among products).
 Lower Cognitive Function in Kids Linked to High Prenatal Folic Acid (09/06/2017)
Lower Cognitive Function in Kids Linked to High Prenatal Folic Acid
Children of mothers who took high amounts of folic acid around the time of pregnancy had lower cognitive and verbal scores when tested at 4 to 5 years of age, according to a new study. Similarly, as we reported last year, pregnant women with higher levels of folate (from folic acid) had offspring with higher rates of autism. While it is important that pregnant women get a moderate amount of folic acid to prevent spinal cord defects, higher amounts should be avoided. See the Folate section of the B Vitamin Supplements Review for details.
 Ashwagandha & Thyroid Function (09/02/2017)
Ashwagandha & Thyroid Function
Ashwagandha extract improved thyroid hormone levels in men and women with subclinical hypothyroidism in a new study. See the details in the "What It Does" section of our Ashwagandha Supplements Review -- which includes our Top Pick among ashwagandha supplements.
 Extra Virgin Olive Oil Aids Fat Loss (09/02/2017)
Extra Virgin Olive Oil Aids Fat Loss
A study among overweight women found that substituting extra virgin olive oil for another plant oil led to greater losses of body fat during dieting. See the details in the "What It Does" section of the Extra Virgin Olive Oils Review -- which includes our Top Picks among extra virgin olive oils.
 Probiotic for Dandruff? (08/30/2017)
Probiotic for Dandruff?
A probiotic was shown to significantly reduce the signs and symptoms of dandruff in a placebo-controlled, 2-month study. See the "What It Does" section of our Probiotic Supplements Review for details >>
 High-Dose B Vitamins & Lung Cancer Risk (08/29/2017)
High-Dose B Vitamins & Lung Cancer Risk
A recent study found that taking high doses of vitamins B6 and B12 was associated with an increased risk of lung cancer among men, particulary among those who smoke. For details, see the "ConsumerTips" section of the B Vitamin Supplements Review >>
 Does Lithium Prevent Dementia? (08/27/2017)
Does Lithium Prevent Dementia?
A new study found the risk of developing dementia to be significantly lower in areas with higher levels of lithium in the drinking water. This finding is consistent with a study that found low-dose lithium to stabilize patients with Alzheimer’s disease. Details about these studies are in the "What It Does" section of the Low-Dose Supplements Review, which includes our Top Picks among low-dose lithium supplements.
 High-Dose B Vitamins & Cataract Risk (08/26/2017)
High-Dose B Vitamins & Cataract Risk
Taking high doses of B vitamins, including B vitamin complexes, folic acid and B6, was associated with a higher risk of age-related cataracts among middle-aged men and women, according to a new study. For details, see the "ConsumerTips" section of the B Vitamin Supplements Review >>
 Curcumin for Cancer? (08/23/2017)
Curcumin for Cancer?
Curcumin (from turmeric) has shown potentially beneficial biological effects with regard to cancer, although it has not been shown to cause clinical improvements. Nevertheless, a case was recently reported of a woman with myeloma who was stabilized with curcumin treatment. For details, see the "What It Does" section of the Turmeric/Curcumin Review >>
 Problem with 60% of Berberine Supplements (08/15/2017)
Problem with 60% of Berberine Supplements
Berberine is a popular supplement for glucose control, but a recent study of 15 products in the U.S. found that nine contained only 33% to 89% of claimed amounts of berberine. You can find out which brands were low and which had acceptable amounts, and learn about the clinical evidence for berberine and cautions in the CL Answer about Berberine >>
 Magnesium Cream? (08/06/2017)
Magnesium Cream?
Is rubbing a cream into your skin a good way to get magnesium? We reviewed several studies of magnesium creams or sprays, including one just recently published. See what we found in the "What It Does" section of the Magnesium Supplements Review -- which includes our Top Picks among magnesium supplements.
 Iron for Restless Legs (08/02/2017)
Iron for Restless Legs
Iron supplementation may help to reduce the severity of restless legs syndrome (RLS) symptoms in people who have deficient or low levels of iron, according to guidelines from the American Academy of Neurology. For details, including dosage, see the "What It Does" section of the Iron Supplements Review, which also includes our tests and quality comparisons of products.
 Fish Oil for Endurance (07/29/2017)
Fish Oil for Endurance
High-dose fish oil may help to increase exercise endurance, according to a new study, adding to evidence of other beneficial effects of fish oil on muscle mass and strength. For details, see the "What It Does" section of the Fish Oil Supplements Review, which includes our Top Picks among products.
 Melatonin Increases Aggression (07/29/2017)
Melatonin Increases Aggression
A study among young men found melatonin to modestly increase aggressive behavior. For more about this and other potential side effects of melatonin see the "Concerns and Cautions" section of the Melatonin Supplements Review (which also includes our Top Picks among products).
 How Vitamin B6 May Backfire (07/26/2017)
How Vitamin B6 May Backfire
Supplementing with high-dose vitamin B6 can sometimes cause the same nerve toxicity associated with deficiency of B6. New research explains why this may happen and suggests how to avoid it.