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2020

July
Vitamin D and COVID Severity -- (7/8/2020) Another study suggests a link between having an adequate level of vitamin D and the severity of COVID-19 in patients. For details, see the COVID-19 section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Vitamin D & Osteoarthritis -- (7/8/2020) Vitamin D may, in certain situations, reduce knee pain and improve function in people with knee osteoarthritis (due to worn cartilage). Vitamin D may also reduce foot pain associated with knee osteoarthritis, according to a recently published study. For details, see the Osteoarthritis section of the Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements.
Caution with Plant-Based Milks for Children -- (7/7/2020) Substituting plant-based milks for milk or infant formula can be dangerous to children when the nutritional content is inadequate. For details, see the Concerns and Cautions section of the Plant-Based Milks Review. Also see how products compare nutritionally and our Top Picks among plant-based milks.
Vitamin D & Coronavirus -- (7/4/2020) Studies are linking low blood levels of vitamin D to higher risk of testing positive for the coronavirus and/or developing more severe disease. Find out what blood levels appear to be protective, as well as the results of the most recent study, in the COVID-19 section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Lycopene for Wrinkles? -- (7/3/2020) A recent study tested the effects of lycopene supplementation on wrinkles around the eyes ("crow's feet") in older women. Find out if it helped in the What It Does section of the Lycopene Supplements Review. Also see our Top Pick among lycopene supplements.

June
Getting the Most from Green Tea -- (6/30/2020) Our Green Tea Review shows that matcha green tea provides higher amounts of healthful catechins than regular green tea. This week, we added information about why this is as well as the results of a new study showing which type of matcha provides the highest levels of polyphenols (i.e., catechins). For details see the What to Consider When Buying section of the review. Also see our Top Picks among green tea products.
CBD for Sleep? -- (6/30/2020) The ability of CBD to improve sleep may depend on the dose given and whether there are underlying conditions causing a sleep problem. See the results of the latest study and learn more in the What It Does section of the CBD and Hemp Extracts Review. Also see our Top Picks for CBD.
Signs of Too Much Vitamin D -- (6/27/2020) Doctors were surprised to discover that symptoms exhibited by a 64-year old woman were due to very high levels of vitamin D from supplements. Learn about the symptoms of too much vitamin D in the Concerns and Cautions section of the Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements and learn How Much Is Too Much vitamin D.
Fish Collagen Allergy -- (6/27/2020) Be aware that some people may be allergic to fish collagen even if they don't respond to common fish allergy tests, according to a recent study. Get the details in the Concerns and Cautions section of the Collagen Supplements Review. Also see our Top Picks for collagen supplements for skin and for joints.
Factors For Lower Risk of Dementia -- (6/27/2020) Diet and lifestyle factors were associated with up to 60% reductions in the risk of developing Alzheimer dementia according to a new study. Learn about these lifestyle factors in the updated answer to the question: Do any supplements really help with brain function, like memory and cognition?
Does Vitamin D Harden Arteries? -- (6/24/2020) Vitamin D regulates calcium levels in the body but does taking high-dose vitamin D lead to arterial calcifications (hardening of the arteries)? Find out what a 3-year study showed in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements.
Fish Oil for Improved Insulin Sensitivity? -- (6/23/2020) Fish oil was given for three months to people with decreased sensitivity to insulin. Did it improve insulin sensitivity? Find out in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements.
Most Avocado Oils Fail Tests of Quality and Purity -- (6/20/2020) The vast majority of avocado oils purchased in the U.S. were found to be stale or contain other oils, such as soybean oil, in a study by academic researchers. Get the details, along with the names of oils that passed testing, in the Quality Concerns section of our avocado oil article.
Low Potassium in COVID-19 Patients -- (6/20/2020) Patients hospitalized with COVID-19 have often been found to have low potassium levels. Should you be concerned? Learn more in the COVID-19 section of the Potassium Supplements Review. Also see our Top Picks among potassium supplements.
Whey vs. Casein vs. Neither -- (6/17/2020) A study among elderly men engaged in strength training compared the effects of supplementing with whey protein, casein protein, or neither. Learn what the study showed in the What It Does section of the Protein Powders Review. Also see our Top Picks among protein powders.
Benefit of Eating Fish -- (6/14/2020) Increasing intake of omega-3 fatty acids through greater fish intake was shown to provide some cognitive improvements to children according to a recent study. For details, see the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil and Top Picks for canned tuna and salmon (good sources of omega-3s).
Do Zinc Lozenges Help? -- (6/14/2020) Several individuals diagnosed with COVID-19 began using zinc lozenges after they became sick. Find out if this was reported to help or not in the COVID-19 section of the Zinc Supplements Review. Also see our Top Picks for zinc supplements and lozenges.
Vitamin D and COVID-19 Risk -- (6/13/2020) Vitamin D deficiency was associated with an increased risk of testing positive for coronavirus according to a recent study. For details see the COVID-19 section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Probiotics That Do or Don't Work -- (6/9/2020) An expert panel of gastroenterologists reviewed the clinical evidence for probiotics in preventing or treating C. difficile infection, IBS, ulcerative colitis, Crohn's disease, pouchitis, and necrotizing enterocolitis. Find out for which conditions they recommend probiotics and for which they don't in the What They Do section of the Probiotic Supplements Review (we've highlighted their recommendations in yellow). Also see our Top Picks for probiotics.
A Role for Calcium in COVID-19? -- (6/9/2020) A preliminary study suggests a possible role for calcium supplementation in treating COVID-19. See the details in the COVID-19 section of the Calcium Supplements Review. Also see our Top Picks among calcium supplements.
Melatonin for Sleep and Parkinson's -- (6/6/2020) Melatonin is known to trigger sleep, but can it help people with Parkinson's disease? See the results of the latest study in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.
Vitamin D for COVID-19 Patients -- (6/2/2020) A study evaluated the effects of giving vitamin D, magnesium, and vitamin B12 to COVID-19 patients. See the results in the COVID-19 section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Ubiquinol for Fatigue? -- (6/2/2020) Does taking ubiquinol (the active form of CoQ10) help men and women who are experiencing fatigue in daily life? Find out what a recent study showed in the What It Does section of the CoQ10 and Ubiquinol Supplements Review. Also see our Top Picks for CoQ10 and ubiquinol.

May
Is CBD Safe? -- (5/30/2020) 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.
Cranberry for Cystitis in Men? -- (5/30/2020) 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?
Probiotic to Reduce Tooth Staining -- (5/29/2020) 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? -- (5/27/2020) 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 -- (5/26/2020) 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?
Generic Fish Oil Approved -- (5/23/2020) 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.
CBD Label Inaccuracies -- (5/23/2020) 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.
"Whole Grain" Is Not Enough -- (5/19/2020) 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 -- (5/19/2020) 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 -- (5/15/2020) 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? -- (5/12/2020) 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?
Does Too Much Vitamin D Hurt Muscle? -- (5/5/2020) 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.
CBD for Osteoarthritis Pain -- (5/5/2020) 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.
Can Garlic Slow Atherosclerosis? -- (5/2/2020) 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.
Does Fish Oil or Curcumin Increase Brain Blood Flow? -- (5/2/2020) 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.

April
Alpha Lipoic Acid and Reflux -- (4/30/2020) 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 -- (4/28/2020) 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? -- (4/28/2020) 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? -- (4/22/2020) 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? -- (4/21/2020) 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 -- (4/19/2020) 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? -- (4/18/2020) 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? -- (4/14/2020) 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 -- (4/14/2020) 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 -- (4/11/2020) 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? -- (4/11/2020) 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? -- (4/5/2020) 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.

March
Is Quercetin Safe? -- (3/31/2020) 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? -- (3/31/2020) 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 -- (3/28/2020) 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 -- (3/25/2020) 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 -- (3/25/2020) 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 -- (3/21/2020) 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 -- (3/21/2020) 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 -- (3/18/2020) 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? -- (3/17/2020) 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? -- (3/10/2020) 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 -- (3/10/2020) 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 -- (3/7/2020) 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.
Olive Oil and Heart Disease -- (3/7/2020) 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.
Melatonin and Cataracts -- (3/7/2020) 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.
Do Glucosamine & Chondroitin Work? -- (3/3/2020) 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.

February
How Much Sun for Vitamin D? -- (2/29/2020) 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.
Breast Cancer & Milk Consumption -- (2/29/2020) 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?
Biotin May Skew Many Blood Tests -- (2/29/2020) 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.
Does Ashwagandha Lower Stress? -- (2/25/2020) 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.
Cognitive Impairment From B12 Deficiency -- (2/25/2020) 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.
Vitamin D for Mom Affects Baby's Bones -- (2/25/2020) 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.
Saffron for Better Sleep? -- (2/18/2020) 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?
Vitamin K for Bone Density? -- (2/18/2020) 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.
Collagen for Sun Damaged Skin? -- (2/15/2020) 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.
Cocoa for Artery Disease? -- (2/15/2020) 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.
Help for Substance Abuse? -- (2/15/2020) 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.
Vitamin B12 and Risk of Death -- (2/11/2020) 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.
Vinegar Makes Grilling Safer -- (2/11/2020) 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.
Fish Oil for Diabetes? -- (2/11/2020) 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.
Vitamin C & Lungs -- (2/11/2020) 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.
Red Yeast Rice and Diabetes? -- (2/8/2020) 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.
Glucosamine and Blood Sugar -- (2/8/2020) 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 -- (2/8/2020) 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.
Avoid Quality Problems With Fish Oil -- (2/7/2020) 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.
Berberine vs. Colon Cancer? -- (2/4/2020) 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.
Problems With Huperzine A -- (2/4/2020) 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.
Collagen for Knees? -- (2/1/2020) 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? -- (2/1/2020) 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.

 

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