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Below is a comprehensive list of questions recently answered by ConsumerLab.com. If you would like to ask us a question, please post it on our Facebook page or send us an email.
- Does I3C (from broccoli) reduce the risk of cancer? See Answer >>
- How can I easily compare the ingredients in supplements? See Answer >>
- Is Greek yogurt a good source of protein? See Answer >>
- Is it true that protein can strain the kidneys as you get older? See Answer >>
- Is aloe an effective remedy for dry eye? See Answer >>
- I read that statins can cause diabetes. Is this true also with red yeast rice? See Answer >>
- Does taking vitamin C (1,000 mg) deplete copper in the body? See Answer >>
- Do probiotics help prevent urinary tract infections? See Answer >>
- Do whey or soy protein powders contain estrogens? See Answer >>
- Can taking curcumin cause dry eye? See Answer >>
- What are the benefits of holy basil extract? See Answer >>
- Does CBD help fight colds or the flu? See Answer >>
- Is Ester-C the best form of vitamin C? See Answer >>
- Has the probiotic VSL#3 been changed or discontinued? Is Visbiome a good alternative? See Answer >>
- Is kratom too dangerous to use? See Answer >>
- What is the difference between cocoa and cacao? Is one better than the other? See Answer >>
- Can vitamins or other supplements cause a change in the ability to taste, or even a loss of taste? See Answer >>
- 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. See Answer >>
- Does taking zinc help with sleep? See Answer >>
- Does microwaving green tea affect the amount of EGCG or other catechins in the tea? See Answer >>
- Are there supplements I should avoid when taking I apixaban (Eliquis) or similar blood thinner drugs? See Answer >>
- Does CBD help with Parkinson's disease? See Answer >>
- 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?
See Answer >>
- What is the difference between fish oil and cod liver oil? Is one better than the other? See Answer >>
- Does CBD interact with other medications? See Answer >>
- Are there side effects from collagen supplements? See Answer >>
- It is okay to add milk to green tea? See Answer >>
- What is the best form of iron supplement? See Answer >>
- Do melatonin supplements reduce the body's own production of melatonin? See Answer >>
- What are the benefits of black cumin seed (black seed) oil? See Answer >>
- Is it true that I need to drink more water or increase calcium intake when supplementing with protein powder? See Answer >>
- Which supplements can cause constipation? See Answer >>
- What are the symptoms of B12 deficiency? See Answer >>
- What is inositol hexaphosphate (IP6)? Can it really prevent or treat cancer? See Answer >>
- Is canola oil good or bad for you? I heard it can be toxic. See Answer >>
- Do pistachio nuts really provide as much melatonin as supplements? See Answer >>
- Is green tea from Japan contaminated with radiation? See Answer >>
- Does taking curcumin and boswellia together increase their individual anti-inflammatory effects? See Answer >>
- Is avocado oil safe to use? See Answer >>
- Is it legal to take cannabidiol oil (CBD) on a flight? See Answer >>
- Can coconut water prevent or dissolve kidney stones? See Answer >>
- What are the nutritional benefits of avocado oil? Is it healthier than olive oil?
See Answer >>
- Does vitamin B12 improve memory? See Answer >>
- What's the best protein to keep and gain muscle when you're older? See Answer >>
- Is it okay to take vitamin D3 and fish oil together? See Answer >>
- How much bone broth do I need to consume in order to get a benefit? See Answer >>
- How much magnesium from supplements is too much? See Answer >>
- How do fish oil supplements compare to EPA prescription fish oil like Vascepa? See Answer >>
- When is the best time of day to take a multivitamin? See Answer >>
- Can CBD cause a drop in blood pressure? See Answer >>
- Is it true that there are bits of plastic in drinking water and specialty salts? How concerned should I be? See Answer >>
- What is BioSil? Can it really increase collagen production and strengthen hair, skin, nails and bones? See Answer >>
- What is the best way to take curcumin? Is it better to take it all at once or in divided doses? See Answer >>
- Can I use a home test for mercury to check for mercury in fish, like canned tuna, fresh fish, and sushi? See Answer >>
- Are vitamins and supplements from Canada of better quality because they are licensed?
See Answer >>
- Is it okay to break vitamin tablets, pills or capsules to change the dose or make them easier to swallow? See Answer >>
- 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? See Answer >>
- Why aren't there children's multivitamins specifically for girls vs. boys? See Answer >>
- What are the side effects of glucosamine and chondroitin? See Answer >>
- What are the benefits of bone broth, and which bone broth is the best?
See Answer >>
- 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? See Answer >>
- Can taurine help reduce muscle cramps?
See Answer >>
- Is there a multivitamin that contains only the recommended daily vitamins and minerals? Most that I have looked at contain more. See Answer >>
- What are the side effects of ashwagandha supplements?
See Answer >>
- Does citrulline improve exercise performance or recovery? See Answer >>
- Does arnica gel, cream, or spray reduce bruising, pain, or swelling? See Answer >>
- What are the symptoms of vitamin D deficiency? See Answer >>
- Can castor oil eye drops improve or dissolve cataracts? See Answer >>
- Do arnica pills really work to prevent bruising? See Answer >>
- Does the talc added to Centrum Silver and other vitamins pose a risk of cancer? See Answer >>
- Do any supplements help prevent or reduce eye floaters? See Answer >>
- What are the health benefits of dark chocolate? See Answer >>
- Is it true that glucosamine and chondroitin can reduce the risk of death, like aspirin? See Answer >>
- Do any supplements reduce side of effects of chemotherapy? See Answer >>
- Can hemp oil or CBD (cannabidiol) supplements cause me to fail a drug test? See Answer >>
- Can CBD help with insomnia or improve sleep? See Answer >>
- Is it true that magnesium bisglycinate from BioSchwartz is less likely to cause a laxative effect than other forms of magnesium?
See Answer >>
- Are liquid vitamins better than pills? See Answer >>
- Is DPA an important omega-3 fatty acid? It's been promoted as more "powerful" than EPA and DHA. See Answer >>
- Can baking soda really help treat rheumatoid arthritis? See Answer >>
- Does Alpha Brain really improve memory, focus and cognition?
See Answer >>
- 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?
See Answer >>
- Is it true that taking calcium supplements increases the risk of developing age-related macular degeneration (AMD)? See Answer >>
- I bought a lactose-free milk that is "calcium-fortified" and provides 50% of the Daily Value for calcium. Is that too much calcium? See Answer >>
- Can vitamin C reduce the pain of shingles? See Answer >>
- 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? See Answer >>
- I started taking a magnesium supplement (400 mg from magnesium oxide) and developed diarrhea. Might there a problem with the supplement? See Answer >>
- 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.
See Answer >>
- Can taking too much fish oil be dangerous? See Answer >>
- Are "medical foods" such as VSL 3, proven to work? Does the FDA approve them? See Answer >>
- What are the side effects of magnesium supplements? See Answer >>
- Does magnesium help with depression? See Answer >>
- Will an Epsom salt bath increase magnesium levels in my body like a supplement? See Answer >>
- Does tea tree oil work for getting rid of athlete's foot? See Answer >>
- How do I choose the best magnesium supplement? See Answer >>
- What's really in supplements for "adrenal support" and "adrenal fatigue"? Do they work and are they safe?
See Answer >>
- Can taking NAC (N-acetylcysteine) interfere with blood tests? See Answer >>
- Does soy affect the risk of breast cancer or prostate cancer? See Answer >>
- Is it true that iodine can cause acne or other skin problems? See Answer >>
- Can CoQ10 help lower homocysteine levels? See Answer >>
- 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? See Answer >>
- 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?
See Answer >>
- Can beetroot juice improve my workout performance? See Answer >>
- What are the side effects of melatonin supplements? See Answer >>
- Do magnesium creams, sprays and oils help with muscle pain and cramps? How about supplements? See Answer >>
- Can I take CoQ10 at the same time as my statin, or should I take them separately? See Answer >>
- Is it best to take SAMe with or without food? Do I need to take B vitamins when taking SAMe? See Answer >>
- I've read that magnesium deficiency is rare but also that most people don't get enough magnesium. How can these both be true? See Answer >>
- Do brain games and apps really work and improve memory? See Answer >>
- Rhodiola and ashwagandha are both promoted to help with stress and anxiety. Is it safe to take them at the same time? See Answer >>
- 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? See Answer >>
- What are CoQ10 side effects? See Answer >>
- What are the symptoms of vitamin B6 deficiency? See Answer >>
- Can I trust lab reports and Certificates of Analysis provided by supplement manufacturers? See Answer >>
- What are the side effects of curcumin and turmeric? See Answer >>
- Can green tea help prevent the flu? See Answer >>
- What are the effects of curcumin on the liver? See Answer >>
- What are the side effects of red yeast rice? See Answer >>
- Do Sugar Bear Hair Vitamins make hair shine, nails stronger, and help both to grow? They taste good but are super expensive. See Answer >>
- What are the signs of iron deficiency anemia? See Answer >>
- Can melatonin supplements cause depression or make depression worse? See Answer >>
- Is it true that calcium interferes with iron absorption? Is it a problem to take a multivitamin containing both minerals? See Answer >>
- Why is iron not in many multivitamins? How can I find one that does contain iron? See Answer >>
- 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? See Answer >>
- How concerned should I be about glyphosate in foods and supplements? See Answer >>
- Does taking a laxative interfere with the absorption of vitamins or minerals? See Answer >>
- 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? See Answer >>
- What is the difference between the RDA and the DV for vitamins and minerals? See Answer >>
- Are there vitamins or supplements that can reduce my risk of breast cancer? See Answer >>
- How can I get the equivalent of 20 ml of extra virgin olive oil (4 teaspoons) as oleic acid capsules? See Answer >>
- Does Gynostemma pentaphyllum really work as an AMPK activator and help for diabetes? See Answer >>
- Will the zinc challenge or taste test really tell if I'm zinc deficient? See Answer >>
- I would like to try gotu kola for varicose veins but I've heard it's not safe to take. Is that true? See Answer >>
- What is acrylamide? Is it true that coffee and cocoa contain this toxin? See Answer >>
- Is drinking coffee good or bad for heart health? See Answer >>
- Do any supplements help for ulcerative colitis? See Answer >>
- What are the health benefits of stevia? Is it safe? See Answer >>
- Do turmeric and curcumin supplements contain significant amounts of oxalates? Can this increase my risk of kidney stones? See Answer >>
- Do any supplements help reduce the symptoms of premenstrual syndrome (PMS)? See Answer >>
- Can beta-sitosterol cause erectile dysfunction or low libido? Are there any other side effects? See Answer >>
- Is it safe to take Bioperine (which contains piperine from black pepper)? See Answer >>
- What is the best protein supplement for vegetarians and vegans? See Answer >>
- When is the best time of day to take red yeast rice? See Answer >>
- Which is better for lowering triglyceride levels -- fish oil or plant-based oils like flaxseed or echium oil? See Answer >>
- Is Hershey's Special Dark better than other dark chocolate bars or cocoa powders? See Answer >>
- Can coconut water help with muscle cramps or restless legs syndrome? See Answer >>
- 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. See Answer >>
- Do any supplements help for restless legs syndrome? See Answer >>
- Can bloodroot or "black salve" treat skin cancer? Is it safe? See Answer >>
- Can I take cholesterol-lowering statin medication with green tea? See Answer >>
- Can taking CoQ10 affect my thyroid levels or interact with my thyroid medication? See Answer >>
- Is it true that overdoses of vitamin D only occur when you don't get enough vitamin K? See Answer >>
- Are B12 injections "better" than oral supplements? Are they necessary if I have a B12 deficiency? See Answer >>
- Are there drug interactions with magnesium supplements? See Answer >>
- Does CoQ10 reduce wrinkles, increase skin elasticity, or tighten the skin? Are there any other supplements that can help? See Answer >>
- Do CoQ10 levels really decrease with age? See Answer >>
- Have you tested vitamin K supplements with MenaQ7? Is this a good source of vitamin K if I need to avoid soy? See Answer >>
- Which supplements can cause diarrhea? See Answer >>
- Can apple cider vinegar really lower blood sugar or help me lose weight? See Answer >>
- Which are the best non-prescription hearing aids? Are any of these low-cost devices as good as more expensive, prescription hearing aids? See Answer >>
- Is the theobromine in chocolate and cocoa good or bad for me? See Answer >>
- What's the best way to take vitamin B12? See Answer >>
- Do vitamin B12 patches, like those from PatchMD, really work? See Answer >>
- I heard the S-form of alpha-lipoic acid is bad for me. Why is it in my supplement? See Answer >>
- Which oils can help lower my cholesterol and risk of heart attack? How are coconut oil, olive oil, and fish oil for example? See Answer >>
- Is there an accurate test for magnesium deficiency? See Answer >>
- Is it true that low-carb or Mediterranean diets help for gastroesophageal reflux disease (GERD)? See Answer >>
- I've heard that soaking dried beans for 24 hours reduces the phytate level, allowing for greater access to nutrients. Is this true? See Answer >>
- I have milk allergy and can't eat dairy. What's the best way for me to get calcium? See Answer >>
- Which supplements help for osteoarthritis of the hip? See Answer >>
- 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? See Answer >>
- Do glutathione supplements work to prevent aging or for other conditions? See Answer >>
- 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? See Answer >>
- Is it true that calcium citrate increases the absorption of aluminum? See Answer >>
- Does saffron really improve vision or prevent age-related macular degeneration? See Answer >>
- Tablets I purchased are becoming "crumbly" after a few weeks and are easy to break. Is there a problem with this supplement? See Answer >>
- Which bottled green teas have the most EGCG? See Answer >>
- Do biotin supplements really improve hair and nails? See Answer >>
- Can melatonin help with stomach pain? See Answer >>
- Which supplements reduce the risk of stroke? Which increase the risk of stroke? See Answer >>
- Is it true that yogurt and kefir can trigger migraines? See Answer >>
- I take melatonin to help me fall asleep. Are there any drugs that interact with melatonin that I should be aware of ? See Answer >>
- Does taking one slow-release calcium tablet of 600 mg (such as Citracal) per day pose a risk for heart disease? See Answer >>
- What B-vitamin complex do you recommend for older people? See Answer >>
- Which supplements help to improve energy and decrease fatigue? See Answer >>
- 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? See Answer >>
- Do collagen or hyaluronic acid supplements really help for aging or wrinkled skin? See Answer >>
- 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)? See Answer >>
- Which foods are a good source of B vitamins? See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- Is it true that milk thistle supplements can be contaminated with toxins that can be harmful to the liver? See Answer >>
- Can taking N-acetylcysteine (NAC) supplements reduce my risk of liver damage from acetaminophen? See Answer >>
- How does white tea compare to green tea and black tea in terms of antioxidant catechins? How about caffeine levels and lead contamination? See Answer >>
- Are there any supplements I should avoid when taking acetaminophen? See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- How much dark chocolate equals a tablespoon of cocoa powder? See Answer >>
- Does turmeric/curcumin help for osteoarthritis in dogs and cats? Is it safe? See Answer >>
- 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? See Answer >>
- I recently read that a gluten-free diet may increase your exposure to arsenic and mercury. Is this true? See Answer >>
- I'm interested in using Himalayan salt. What are the health benefits with it and other specialty salts? Are there contaminants in these salts? See Answer >>
- 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? See Answer >>
- Can I just stop taking alpha lipoic acid, or do I need to taper down? See Answer >>
- I've heard fish oil may be helpful for dry eye. Is this true? How much should I take? See Answer >>
- Do either phosphatidylserine or phosphatidylcholine help with memory and cognition? How are these supplements different? See Answer >>
- Is it safe to take arginine, or other supplements for sexual enhancement, while taking Viagra or Cialis? See Answer >>
- Is it true that glutamine powder can help protect the stomach when taking NSAIDs like ibuprofen? See Answer >>
- Is it true that taking turmeric/curcumin with food can reduce iron absorption from food? See Answer >>
- Is bromelain a good alternative to NSAIDs, like ibuprofen, for muscle or joint pain? See Answer >>
- 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? See Answer >>
- Are the inactive ingredients I see listed on my supplement label necessary? Are they dangerous? See Answer >>
- Is it better to buy supplements which are combination formulas or single-ingredient? See Answer >>
- Is Esberitox effective for treating a cold? See Answer >>
- Are lithium orotate supplements as effective and safe as prescription lithium for bipolar disease and depression? See Answer >>
- Is it true that fish oil is better absorbed when taken with a fatty meal? See Answer >>
- Have any supplements been shown to increase women's libido? See Answer >>
- 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? See Answer >>
- Can lysine or vitamin B-12 help prevent or reduce canker sores? See Answer >>
- Can lemon juice or lemonade reduce my chances of getting kidney stones? See Answer >>
- Are cocoa and chocolate products contaminated with the fungal toxin ochratoxin A? See Answer >>
- Are cranberry supplements helpful for men? Can they help with symptoms of an enlarged prostate, prostatitis, or urinary tract infections? See Answer >>
- I do moderate exercise for about an hour a few times a week. Which supplements might help me? See Answer >>
- What is shilajit? Does it have any proven benefits, and is heavy metal contamination a concern? See Answer >>
- Is CBD oil (cannabidiol) effective and safe? Is it legal? See Answer >>
- 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. See Answer >>
- What is pterostilbene? Can it really improve cardiovascular and cognitive health? See Answer >>
- Are there drug interactions with curcumin or turmeric? See Answer >>
- Is Boswellia not well absorbed? Should I take it with food? See Answer >>
- How should curcumin dose be adjusted if using formulations with enhanced bioavailability such as Meriva, BCM-95, CurcuWin, Theracurmin, Bioperine, and C3? See Answer >>
- I've heard that having low B-12 or B-6 can cause depression. Is that true? See Answer >>
- 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? See Answer >>
- Can glycine really help improve my sleep? See Answer >>
- What is graviola? Can it really help fight cancer? See Answer >>
- What are the benefits of grapefruit seed extract (GSE)? Is it safe? See Answer >>
- Is it okay to freeze fish oil to keep it from becoming rancid? See Answer >>
- Which supplements help with Raynaud's phenomenon? See Answer >>
- 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? See Answer >>
- How does bone broth protein compare to other types of protein? See Answer >>
- 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? See Answer >>
- I was told I have a MTHFR gene mutation. What do I need to know about taking B vitamins? See Answer >>
- Should I worry about getting too much fluoride from drinking tea? See Answer >>
- 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? See Answer >>
- I've heard that melatonin may increase the risk of broken bones. I take melatonin regularly. Should I be concerned? See Answer >>
- Is it safe to take melatonin when taking prescription sedatives or sleep aids like lorazepam (Ativan) or zolpidem (Ambien)? See Answer >>
- Do you have any advice on how to find trusted pharmacies to refill my cholesterol medicine in Canada? See Answer >>
- What are phytoceramides? Do phytoceramide supplements really work to improve aging skin? See Answer >>
- 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? See Answer >>
- How significant are the risks to drinking tea from China from heavy metals? See Answer >>
- What is the best source of vitamin D3 -- from lanolin in sheep's wool or from fish oil? See Answer >>
- Which supplements can help treat constipation? See Answer >>
- 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"? See Answer >>
- Is it true that green tea can interact with blood-thinning medications like warfarin (Coumadin) or clopidogrel (Plavix)? See Answer >>
- What is Prelief? Does it really help for heartburn and/or bladder pain from acidic foods? See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- Does Restore (Bionic Sciences LLC) really improve gut health? What is in Restore? See Answer >>
- 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)? See Answer >>
- Are lozenges and sublingual pills considered dietary supplements? See Answer >>
- Is it true that oat cereals, like Cheerios, oatmeal, oatflakes and steel-cut oats can be contaminated with a toxin? See Answer >>
- Can beetroot juice or supplements help lower my blood pressure? See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- Can psyllium help control hunger and appetite? See Answer >>
- Does Carditone work to lower blood pressure? See Answer >>
- Does AZO Bladder Control really work for overactive bladder? See Answer >>
- Is it true that I should not keep magnesium supplements in a daily pill pack mixed with other supplements and medicines? See Answer >>
- Are there any supplements I should avoid when taking an antibiotic? Are there any that may be helpful? See Answer >>
- Which supplements are helpful to have when traveling? Any tips on how to best store supplements on trips? See Answer >>
- Do probiotics help with lactose intolerance? See Answer >>
- Someone told me that one Brazil nut can provide your entire recommended daily intake for vitamin E. Is that true? See Answer >>
- I developed a rash soon after starting a probiotic. Is it possible to be allergic to probiotics? See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- I have heard that caffeine can interfere with the benefits of creatine supplementation. Is that true? See Answer >>
- I use beta-sitosterol for my prostate. Should it be taken with or without food? See Answer >>
- Can a probiotic help men with prostatitis? See Answer >>
- Which supplements can help with arthritis? See Answer >>
- Do Vital 3 collagen drops really help for joint pain? See Answer >>
- What is Noopept? Can it really improve memory and cognition, and is it safe? See Answer >>
- Can CLA slimming supplements cause liver damage? See Answer >>
- My doctor warned me that red yeast rice can cause liver damage - is that true? See Answer >>
- Do any supplements improve balance or reduce the risk of falls? See Answer >>
- With probiotics, how many CFUs should I look for as the dose? Is more necessarily better? See Answer >>
- 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? See Answer >>
- Do any supplements help for irritable bowel syndrome (IBS)? See Answer >>
- My HDL (good) cholesterol level is low. Should I take niacin to raise my HDLs? See Answer >>
- What is Brain Bright and can it really improve memory or cognition? See Answer >>
- Which supplements can help lower or control my blood sugar? See Answer >>
- Is it safe to take curcumin or turmeric supplements for a long period of time? See Answer >>
- What are the most common, potentially dangerous interactions between supplements and drugs? See Answer >>
- Does Longevinex resveratrol really help for age-related macular degeneration? See Answer >>
- Are CoQ10 and ubiquinol safe to take for a long period of time? Should I give it a rest period? See Answer >>
- Are the "% DV" numbers on vitamin supplement labels really based on what I need? See Answer >>
- What is "nano" CoQ10? Is it better than other CoQ10 formulations? See Answer >>
- I read an article stating that some of the ingredients in Centrum multivitamins may be dangerous or toxic. Is that true? See Answer >>
- Can vitamin K2 really help decrease calcium in the arteries? See Answer >>
- Is Super Beta Prostate better than other prostate supplements? See Answer >>
- Which supplements are helpful for age-related macular degeneration (AMD)? See Answer >>
- What is phytosomal curcumin? Does it have better absorption than other curcumin formulations? See Answer >>
- Are there supplements which can reduce prostate size? See Answer >>
- Do reishi mushroom supplements boost the immune system, or have other benefits? See Answer >>
- Is Spirulina safe? I heard that it can contain toxins, such as BMAA and microcystin toxin. See Answer >>
- I started taking red yeast rice and soon after developed insomnia. Could my red yeast rice supplement be the problem? See Answer >>
- What is the difference between fish oil and krill oil? Is one better than the other? See Answer >>
- 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? See Answer >>
- What is monolaurin? Can it really prevent colds, cold sores, or other infections? See Answer >>
- Is it true that fish oil supplements may contain soy? I'm allergic! See Answer >>
- What is EpiCor? Does it really "boost" the immune system and prevent colds? See Answer >>
- 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? See Answer >>
- How can I find the best quality extra virgin olive oil? See Answer >>
- Does guggul really improve thyroid function? See Answer >>
- How much resveratrol is in wine? Is it enough to have a benefit? See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- Why is beta-carotene still an ingredient in some supplements? Isn't it dangerous? See Answer >>
- Can curcumin help prevent or improve symptoms of Alzheimer's disease? See Answer >>
- Which supplements can help to lower blood pressure? See Answer >>
- Is there a difference between taking vitamin D in the dry form versus the oil capsules? Is one better than the other? See Answer >>
- Can chocolate and cocoa powder cause eczema? See Answer >>
- 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? See Answer >>
- Are red yeast rice supplements legally permitted to contain statins, like lovastatin, since these are drugs? See Answer >>
- How does turmeric spice compare to turmeric (curcumin) in supplements? I sprinkle it on my foods and wonder if that's equivalent to taking a supplement. See Answer >>
- Do any supplements help for varicose veins or chronic venous insufficiency? See Answer >>
- Which supplements can help with indigestion and/or heartburn? See Answer >>
- 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? See Answer >>
- Is there a risk of liver toxicity with certain supplements? See Answer >>
- Which supplements can help me sleep? See Answer >>
- What are the benefits of coconut oil and medium chain triglycerides, such as those used in Bulletproof Coffee? See Answer >>
- When choosing a protein powder, which protein source is best -- whey, casein, soy, pea, rice or egg? See Answer >>
- Are vitamin D oral sprays more effective than vitamin D pills or drops? See Answer >>
- Do any supplements help for hair loss? See Answer >>
- What are the benefits of calcium-d-glucarate? See Answer >>
- Is P-5-P really better than "regular" vitamin B6? See Answer >>
- Is it safe to take CoQ10 while taking blood thinners like warfarin or Plavix (clopidogrel)? See Answer >>
- Do probiotics really help prevent or treat vaginal yeast infections? See Answer >>
- 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? See Answer >>
- What are the benefits of grape seed extract? See Answer >>
- I'm considering taking vitamin K for my bones, but I take blood thinner (anti-coagulant) medication. Is there a problem taking both? See Answer >>
- Do any supplements help prevent or treat a cold? See Answer >>
- Do any supplements help prevent or treat osteoporosis? See Answer >>
- Does cooking or frying with olive oil make it less healthy? See Answer >>
- What are the health benefits of olive oil? See Answer >>
- Do different colors of maca have different benefits? See Answer >>
- Is it okay to crush a tablet and consume the powder or add the powder to food, rather than swallowing the tablet whole? See Answer >>
- Is sublingual vitamin B-12 really better than the pill form? See Answer >>
- 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? See Answer >>
- 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. See Answer >>
- What is berberine? Can it really lower blood sugar? Are there any cautions? Which supplements are best? See Answer >>
- Are plant-based calcium supplements, like AlgaeCal, better than regular calcium supplements? See Answer >>
- Is it safer to get calcium from foods than from supplements? How about from calcium-fortified orange juice and non-dairy milks? See Answer >>
- Does chocolate really cause migraines? See Answer >>
- 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? See Answer >>
- Do any supplements help prevent or improve cataracts? See Answer >>
- What are sugar alcohols and why are they in my nutrition bar? See Answer >>
- Does nicotinamide riboside (as in Niagen and Basis) really have anti-aging or other health benefits? See Answer >>
- Do probiotics have to be enterically coated to be effective? See Answer >>
- Is it important to take calcium and magnesium together? See Answer >>
- I spend a lot of time in the sun, especially in the summer. Does this mean my vitamin D levels could get too high? See Answer >>
- Is hyaluronic acid helpful for osteoarthritis? See Answer >>
- With herbal supplements, what is the difference between root powder and root extract? Does it matter? See Answer >>
- I've heard that taking vitamin D can reduce your natural production of melatonin and interfere with sleep. Is this true? See Answer >>
- 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? See Answer >>
- Some protein powders contain whey protein concentrate, and others contain whey protein isolates - what is the difference? See Answer >>
- Do any supplements help for tinnitus? Is it true that some supplements can cause tinnitus? See Answer >>
- Is it true that taking glucosamine might make my glaucoma worse? See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- What is fermented cod liver oil, such as Blue Ice? Is it better than regular cod liver oil? See Answer >>
- I've heard that rice has high levels of arsenic. Does that mean rice bran oil does too? See Answer >>
- Do any supplements help with gum disease or periodontitis? See Answer >>
- Which supplements help with erectile dysfunction? See Answer >>
- Do any supplements help with nerve pain, like sciatica or diabetic neuropathy? See Answer >>
- What are the benefits of tart cherry juice? See Answer >>
- 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. See Answer >>
- A blood test showed my vitamin D level is low. How do I know how much vitamin D to take? See Answer >>
- 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? See Answer >>
- Is MitoQ a better form of CoQ10? See Answer >>
- Is it possible to take too much vitamin C? See Answer >>
- How do I choose the best CLA supplement for slimming? See Answer >>
- How much caffeine is really in dark chocolate bars? See Answer >>
- Is it worth paying more for "pharmaceutical grade" CoQ10? What about "natural" or "live source" CoQ10? See Answer >>
- Someone told me glucosamine might be helpful for back pain - is that true? See Answer >>
- Is L-arginine helpful or harmful for people with cancer? See Answer >>
- Are there any supplements I should avoid when taking Valium or Xanax? See Answer >>
- Is it better to take fish oil, flaxseed oil -- or both? See Answer >>
- Why does my multivitamin make me nauseous? Is there anything that can help? See Answer >>
- Can fisetin, also called Cognisetin and Novusetin, really improve memory? See Answer >>
- 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? See Answer >>
- Can D-mannose help prevent urinary tract infections? See Answer >>
- Are there any supplements I should avoid when taking aspirin or ibuprofen? See Answer >>
- Which supplements help with depression and anxiety? See Answer >>
- Do probiotics that come in different forms, like gum or lozenges, really work? See Answer >>
- Could my CoQ10 supplement be making me nauseous? See Answer >>
- Is there a danger of getting too much calcium from Tums? I take them frequently for heartburn. See Answer >>
- Is quercetin helpful for a specific condition? I see it as an ingredient in several different types of supplements. See Answer >>
- Is it true that some vitamins or supplements can cause cancer? See Answer >>
- Is it true that NAC can help clear nasal passages? See Answer >>
- Is calcium hydroxyapatite really better than other forms of calcium? See Answer >>
- Titanium dioxide is listed as an ingredient in my supplement. Is it safe? See Answer >>
- Is echium oil a good alternative to fish oil? I am allergic to fish. See Answer >>
- Do any supplements help relieve stress? See Answer >>
- What do alkaline booster drops do? Do they provide the same benefits as Kre-Alkalyn? See Answer >>
- Is it true that there is no point in taking fish oil supplements for heart health? See Answer >>
- I read that sterol supplements to lower cholesterol like CholestOff can block the absorption of vitamins. Is that true? See Answer >>
- Immunocal is much more expensive than other whey protein isolates - is it worth the extra cost? See Answer >>
- 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. See Answer >>
- Is Rhodiola rosea effective for depression and does it have other uses? Will ConsumerLab.com be testing these supplements? See Answer >>
- How much fat is there in chocolate? Is it saturated fat? See Answer >>
- I drink organic milk with added DHA Omega-3, but it is expensive. Is it worth paying extra for the added DHA? See Answer >>
- I heard somewhere to avoid chocolate with "processed with alkali" in the ingredients. Is that true? See Answer >>
- Is Theracurmin better absorbed than other curcumin formulas - and can it really help lower my blood pressure? See Answer >>
- What is Omega XL and does it work? See Answer >>
- What is the difference between natural and synthetic astaxanthin? See Answer >>
- Which supplements help reduce the risk of colorectal cancer? See Answer >>
- What is the best way to take melatonin to get a good night's sleep? See Answer >>
- Is it true that most coffee is contaminated with mold? See Answer >>
- Could my CoQ10 supplement be causing my insomnia? See Answer >>
- Why is there so much cadmium, a toxin, in cocoa powders but not in dark chocolate? See Answer >>
- What is carrageenan? Should I be concerned that it is an ingredient in my supplement? See Answer >>
- Is it okay to take a zinc supplement while I am on an antibiotic for a respiratory infection? See Answer >>
- What is Pycnogenol and does it work? See Answer >>
- 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. See Answer >>
- Is there evidence that d-limonene can help fight cancer? See Answer >>
- Does Prevagen really improve memory? See Answer >>
- Is there cause for concern with "gummy vitamins?" There are many different gummies out there. Are some better than others? See Answer >>
- Is it better to eat farmed salmon or wild salmon? Which one has more omega-3s and less contamination with PCBs, mercury, etc.? See Answer >>
- I'm trying to pick a good multivitamin for my children and husband, and for myself. Any suggestions based on your research? See Answer >>
- Is liposomal vitamin C (sold as Lypo-Spheric) better than other forms of vitamin C? See Answer >>
- 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. See Answer >>
- Does forskolin help for weight loss? Is it safe? See Answer >>
- Is it better for a fish oil (or krill oil) supplement to have more DHA than EPA? See Answer >>
- Which dark chocolate bar has the most flavanols with the least calories? See Answer >>
- How can I find out where a vitamin or supplement is made and where its ingredients come from, such as China or the USA? See Answer >>
- How do I choose the best probiotic supplement? There are so many different strains of bacteria! See Answer >>
- Does taking natural versus synthetic CoQ10 make a difference? How do you know which product is natural or synthetic? See Answer >>
- Can L-theanine help as a sleep aid? Will ConsumerLab.com be testing these supplements? See Answer >>
- Which is the best form of magnesium to take - one that contains the most magnesium and is best absorbed? See Answer >>
- Have you evaluated a multivitamin by Vita Logic called Daily Extra? See Answer >>
- Can supplements help me lose weight? See Answer >>
- Do zinc supplements contain lead? See Answer >>
- 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? See Answer >>
- How can I find out if my supplement has been tested by ConsumerLab.com? See Answer >>
- I'm taking Lumiday, a supplement to improve mood. It seems to help me but is it safe? See Answer >>
- 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? See Answer >>
- I have low blood pressure. Are there any supplements I should avoid? See Answer >>
- 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? See Answer >>
- Can taking too much vitamin B-12 be dangerous? The label on my B-complex states it contains 50,000% of the Daily Value! See Answer >>
- Do any supplements help for flu? See Answer >>
- 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? See Answer >>
- Can taking too much vitamin B-6 be dangerous? The label on my multivitamin states it contains 2000% of the Daily Value! See Answer >>
- 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? See Answer >>
- Do any supplements help with migraines? See Answer >>
- 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? See Answer >>
- Do I need to divide my daily 300 mg dose of CoQ10 into smaller doses, or can I take it all at once? See Answer >>
- What is Lactospore? I see it is an ingredient in some probiotic supplements. See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- I eat one to two cups of Greek yogurt every day. Do I still need to take a probiotic supplement? See Answer >>
- Why does dark chocolate have iron in it? Is it, or cocoa, a good dietary source of iron? See Answer >>
- I've read about several different forms of SAMe. Is one form better than another? See Answer >>
- I recently read that turmeric is only effective if it is combined with black pepper. Is this true? See Answer >>
- Are the cardiovascular benefits of resveratrol exaggerated? See Answer >>
- 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. See Answer >>
- 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? See Answer >>
- Do you have any information on SeroVital or any other HGH stimulator? See Answer >>
- 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? See Answer >>
- Is ingesting colloidal silver helpful for any condition and is it safe to use? I'm seeing it promoted for many applications. See Answer >>
- I've seen the bacteria in Activia listed as Bifidobacterium animalis, Bifidobacterium lactis and Bifidus Regularis. Which is correct? See Answer >>
- The maker of my multivitamin says it doesn't include folic acid because too much from supplements can be harmful. Is that true? See Answer >>
- I thought resveratrol came from red wine or grape skins - what is the "Polygonum cuspidatum" I see listed on my supplement? See Answer >>
- What are omega-7 fatty acids? Do I need to take these if I already take fish oil? See Answer >>
- I have to be careful about my sodium intake. Could my glucosamine and chondroitin supplement contain hidden sodium? See Answer >>
- How much cocoa or chocolate do I need to consume in order to get a benefit? See Answer >>
- What is PQQ? Does it help with aging and memory? Is it similar to CoQ10? See Answer >>
- 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? See Answer >>
- What are prebiotics? Is it important to look for them when choosing a probiotic supplement? See Answer >>
- 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? See Answer >>
- Are there any red flags to look for on the label when choosing a fish oil supplement? See Answer >>
- How do I choose the best CoQ10 supplement? See Answer >>
- What is UC-II and does it help joints? See Answer >>
- After taking a curcumin supplement, I started getting chronic diarrhea which went away when I stopped taking it. Can curcumin supplements cause diarrhea? See Answer >>
- 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? See Answer >>
- What is Protandim and does it really work? See Answer >>
- Does resveratrol really activate SIRT1 - the "longevity" gene? See Answer >>
- Is it best to take probiotic supplements with or without food? It seems like everyone has a different recommendation. See Answer >>
- What is benfotiamine and can it really improve or prevent complications from diabetes? See Answer >>
- I have type 2 diabetes. Should I be concerned about ingredients like maltodextrin and maltitol that are found in some protein bars and drinks? See Answer >>
- 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? See Answer >>
- Does collagen taken as a supplement help with arthritis? I'm seeing it in products for joint health. See Answer >>
- How does the new prescription fish oil Epanova compare to Lovaza --and fish oil supplements? See Answer >>
- 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? See Answer >>
- What is Modified Citrus Pectin (MCP) and is it helpful for prostate cancer? See Answer >>
- Does coconut water help re-hydrate as well as sports drinks? See Answer >>
- Which supplements should be taken with food? See Answer >>
- 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? See Answer >>
- Do magnesium supplements, like Magtein, help memory or protect against Alzheimer's disease? See Answer >>
- Do any supplements help prevent sunburn or skin damage from sun exposure? See Answer >>
- 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. See Answer >>
- Do diamine oxidase (DAO) supplements for histamine intolerance really work? See Answer >>
- I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug? See Answer >>
- Is it true that taking a statin drug negates the benefits of taking fish oil supplements? See Answer >>
- Which supplements are best for seasonal allergies? See Answer >>
- 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? See Answer >>
- Do any supplements really help with brain function, like memory and cognition? See Answer >>
- Which supplements have been shown to be helpful for autism? See Answer >>
- The probiotic I am taking looks pink. Does this mean it is spoiled or no longer "active"? See Answer >>
- How much calcium from supplements is too much? See Answer >>
- I live in Canada. Does ConsumerLab.com ever test Canadian products? See Answer >>
- Should I be worried that my supplement contains "caramel coloring IV"? I've heard that it has been linked to cancer. See Answer >>
- Does glucosamine raise "bad" LDL cholesterol? See Answer >>
- Can white kidney bean extract really help me lose weight? See Answer >>
- As vitamin D is a fat-soluble vitamin, why is it necessary to take it every day? See Answer >>
- 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? See Answer >>
- Is it safe to consume fish oil as a long-term food supplement? See Answer >>
- I read that turmeric may be a GI irritant. I have GI problems and wonder if I should avoid turmeric and curcumin? See Answer >>
- 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? See Answer >>
- Can probiotics help lower cholesterol? See Answer >>
- 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? See Answer >>
- I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements I should avoid, or be taking, due to this drug? See Answer >>
- Have you heard of the probiotic, Keybiotics? Does it do what it claims, and is it worth the money they charge? See Answer >>
- Which supplements can help lower cholesterol and keep my heart healthy? Are there any to avoid? See Answer >>
- What is lunasin and does it really reduce cholesterol? See Answer >>
- I take insulin (Humalog) for diabetes. Are there supplements which could affect my blood sugar levels, and how much insulin I need to take? See Answer >>
- Does Procera AVH really improve memory and mood? See Answer >>
- What is the difference between cysteine and cystine? See Answer >>
- When taking a water-soluble version of CoQ10, do I still need to take it with food? See Answer >>
- How much should I expect to pay for supplements? Are higher-priced supplements any better than low-priced brands? See Answer >>
- When is the best time to take probiotics to prevent diarrhea from antibiotics - before, during, or after the course of antibiotic treatment? See Answer >>
- I take fluoxetine (Prozac), a SSRI drug to treat depression. Are there supplements I should avoid, or be taking, due to this drug? See Answer >>
- 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? See Answer >>
- When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take? See Answer >>
- 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? See Answer >>
- Can probiotics reduce anxiety? See Answer >>
- Are enteric coated supplements better than non-enteric coated ones? See Answer >>
- Is it true that fish oil may help protect the body against air pollution? See Answer >>
- Are supplements with amino acid chelated minerals better than those with other forms of minerals? See Answer >>
- What are the health benefits of aloe supplements? Are they safe? See Answer >>
- If I already take red yeast rice, would adding high-dose niacin help further reduce my cholesterol levels, and would this be safe? See Answer >>
- What supplements should I stop taking before surgery? See Answer >>
- What is Skinny Fiber and does it really work? I see that glucomannan is a key ingredient. What is that? See Answer >>
- Which supplements are important after bariatric surgery (i.e., weight loss or stomach-reducing surgery)? Are there any I should avoid? See Answer >>
- Some vitamin C products claim to use fully reduced vitamin C. Is this important? See Answer >>
- Are supplements which claim increased absorption or improved bioavailability telling the truth? Is it worth paying more for these? Are there concerns? See Answer >>
- What is the difference between CoQ10 and ubiquinol? See Answer >>
- Is it dangerous to use certain herbals, vitamins, or other dietary supplements when breastfeeding? See Answer >>
- What is serrapeptase and does it work? See Answer >>
- The lutein supplement I bought has a strong odor. Is that normal? See Answer >>
- What is CELLFOOD and is it a healthy supplement? See Answer >>
- What is Lipo-flavonoid and does it work for tinnitus or other ear problems? See Answer >>
- What is the benefit of magnesium orotate compared to other forms of magnesium? See Answer >>
- Will pregnenolone help slow down aging? See Answer >>
- Is there a danger in taking lecithin or phosphatidylcholine? I heard that they may increase the risk of heart attacks. See Answer >>
- A few weeks after starting acetyl-L-carnitine, I became so sluggish I could hardly function. Could this be due to the supplement? See Answer >>
- What is Metafolin (5-methylfolate)? I see it in some supplements instead of folic acid. Is it better than folic acid? See Answer >>
- Can I trust ConsumerLab.com? How are its tests paid for? See Answer >>
- Can vitamin C from a supplement cause blood in the urine and painful urination? See Answer >>
- What is the ingredient zeolite I see in Natural Cellular Defense and other detox supplements? Does it help in any way? See Answer >>
- What Is Marine-D3 and does it live up to anti-aging claims? See Answer >>
- Sometimes my powdered supplements get clumpy. Should I be concerned? See Answer >>
- 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? See Answer >>
- Must I take amino acid supplements on an empty stomach? Can I take them with other amino acids or with food to help with swallowing capsules? See Answer >>
- 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? See Answer >>
- Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins? See Answer >>
- Some websites are highly critical of magnesium stearate, which is in many supplements. Is this substance toxic and should I avoid it? See Answer >>
- 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? See Answer >>
- 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? See Answer >>
- Lovaza, a prescription omega-3 fish oil, is very expensive. Can I get the same omega-3 oils from a supplement that costs less? See Answer >>
- Can vitamin supplements strengthen brittle nails? See Answer >>
- Will 7-keto DHEA help me lose weight? See Answer >>
- Do vitamin C supplements help prevent cataracts? See Answer >>
- How likely are Americans to be deficient in vitamins or minerals? See Answer >>
- Can supplements with antioxidants like beta-carotene and vitamins A and E cause you to die sooner? See Answer >>
- Is it true that vitamin D can increase the risk of prostate cancer in men? See Answer >>
- Which vitamins and minerals should be taken together or separately? See Answer >>
- Does the FDA approve laboratories that test supplements? See Answer >>
- Do companies have to test supplements before they are sold? See Answer >>
- Should I be concerned about supplements that contain Polysorbate 80? Is it safe? See Answer >>
- How can I find supplements that are gluten-free on ConsumerLab.com? See Answer >>
- Is fish oil safe? Is it contaminated with mercury and PCBs? See Answer >>
- What is the difference between forms of vitamin K2? See Answer >>
- Does garlic lower cholesterol? See Answer >>
- Can raspberry ketone help me lose weight? See Answer >>
- Is it possible to get too much vitamin D? See Answer >>
ConsumerLab.com members may submit questions to CLAnswers@ConsumerLab.com. We read all questions and try to answer those of popular interest.
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