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2018

September
Pain and Cannabinoids -- (9/19/2018) Many people use CBD to alleviate pain. This benefit has yet to be proven, but a recent analysis of clinical studies with cannabinoids may explain this effect, as discussed in the What It Does section of the CBD and Hemp Extracts Review. (Also see our Top Picks among these products.)
Vitamin D for Back Pain? -- (9/18/2018) Can taking vitamin D reduce back pain? Read what a recent study found in the Back Pain section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
Curcumin Effect on Liver -- (9/18/2018) Long-term use of curcumin may negatively affect the liver in a small percentage of people, according to a new report. Get the details in the Concerns and Cautions section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks for turmeric and curcumin.)
Anxiety and Fish Oil -- (9/14/2018) An analysis of clinical trials with fish oil looked at whether supplementation was associated with decreased anxiety. See the results in the What It Does section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oil and other omega-3 supplements.)
Curcumin for Blood Sugar Control -- (9/14/2018) Does taking curcumin with a meal help control blood sugar levels? See what a study found in the What It Does section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks among curcumin and turmeric supplements and spices.)
Cocoa and Cholesterol -- (9/12/2018) Can cocoa flavanols improve cholesterol levels? See what a recent study found in the Cardiovascular section of the Cocoa and Dark Chocolate Review. (Also see our Top Picks among cocoa and dark chocolate products.)
High-Dose Vitamin D Risk -- (9/11/2018) A new study suggests that very high-dose vitamin D may increase the risk of kidney stones. For details, see the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
When To End Probiotics? -- (9/9/2018) If you take a probiotic when given antibiotics, at what point should you stop taking the probiotic? A new study provides some guidance. For details, see the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks among probiotics.)
Vitamin D for Mood? -- (9/4/2018) Can supplementing with vitamin D improve mood during the winter? Find out what a recent study showed in the Depression & Mood section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
Fish Oil & Diabetes -- (9/4/2018) In a major study, fish oil was given to people with type 1 or type 2 diabetes for several years to see if it would reduce serious cardiovascular events, like heart attacks and stroke. Find out what happened in the Heart Attack and Stroke section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oil supplements.)
Glutamine for IBS? -- (9/4/2018) Glutamine, an amino acid, plays a role in maintaining the digestive tract. Can taking it as a supplement help people with irritable bowel syndrome (IBS)? Find out what a recent study showed in the Glutamine section of the Muscle Enhancers Review.

August
CBD & Psychosis -- (8/31/2018) Can giving CBD to people at risk of psychosis help normalize their brain function? Learn what a recent study showed in the What It Does section of the CBD & Hemp Extract Supplements Review. (Also see our Top Picks among recently tested CBD supplements.)
Chocolate for the Heart? -- (8/28/2018) Studies suggest cardiovascular benefits from daily intake of cocoa flavanols, as found in dark chocolate. However, a new study, focusing on heart failure, suggests more limited intake. Get the details and our analysis in the Cardiovascular section of the Dark Chocolate, Cocoa Powder, and Nibs Review. (Also see our Top Picks for dark chocolate, cocoa powders, and more.)
Probiotics for Gum Disease -- (8/28/2018) Can probiotic lozenges improve gum health when used in conjunction with oral cleanings? Find out what studies are showing in the Periodontitis section of the Probiotics Supplements Review. (Also see our Top Picks among probiotic supplements for other uses.)
Garcinia Warning -- (8/28/2018) Be aware that Garcinia cambogia extracts, touted for weight management, may cause liver injury, as suggested by two recent case reports. See the Concerns and Cautions section of the Garcinia Cambogia Supplements Review for details.
Curcumin Helps Ulcerative Colitis -- (8/25/2018) Curcumin has been shown to reduce ulcerative colitis symptoms and maintain remission. Get the details, including dosage and forms, in the What It Does section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks for curcumin supplements.)
Probiotic Concern -- (8/21/2018) While probiotics are generally safe, they can cause severe illness in people with certain medical conditions. There have been many case reports, including one published this month. For details see the Concerns and Cautions section of the Probiotic Supplements Review.
Extra Protein Can Help Older People -- (8/18/2018) Increasing protein intake can help older people maintain and build muscle — but it's not that simple. Get the details, and read about the latest studies, in the Building and maintaining muscle mass section of the Protein Supplements Review. (Also see our Top Picks among protein shakes and drinks).
Red Yeast Rice and Diet -- (8/14/2018) Can taking red yeast rice lower cholesterol levels on top of reductions achieved by switching to a Mediterranean diet? See what a new study showed in the What It Does section of the Red Yeast Rice Review.

Also, be aware that red yeast rice may aggravate symptoms of a neurological disorder, as described in a recent case report noted in the Concerns and Cautions section of the Red Yeast Rice Review.
Citrulline and Exercise -- (8/14/2018) Several studies have evaluated citrulline (which the body converts to arginine) for enhancing athletic performance. Find out if it helps or not in the Citrulline section of the L-Arginine Review. Also, find out if L-arginine, itself, can help.
CBD for Dogs -- (8/11/2018) Can CBD help dogs with osteoarthritis (worn joints)? Learn what a recent study found (as well as the dose used and a potential side effect) in the CBD for Pets section of the CBD & Hemp Supplements Review. (Also see our Top Picks for CBD for pets — as well as for people).
Which Curcumin Formulation Is Best? -- (8/8/2018) Curcumin (which comes from turmeric) is not well absorbed unless taken with a fatty (oily) meal, so many formulations have been developed that enhance its absorption. Which of these is best absorbed? Find out in the Which form is best section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks among tested turmeric and curcumin supplements.)
Vitamin D and Blood Sugar Control -- (8/7/2018) A recent study adds to the growing evidence that obtaining and maintaining adequate vitamin D levels can help with blood sugar control. For details about this and studies regarding vitamin D and diabetes, see the Diabetes, insulin resistance and glucose control section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D supplements.)
Vitamin C for Colds? -- (8/3/2018) Taking vitamin C may modestly help with colds, according to a new study -- but there's a catch. Find out in the What It Does section of the Vitamin C Supplements Review. (Also see our Top Picks for vitamin C supplements.)

July
Probiotics & Exercise Performance -- (7/31/2018) Can taking a daily probiotic improve exercise performance? Find out in the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks for probiotics.)
Melatonin and Menopause -- (7/28/2018) Can taking melatonin reduce the severity of menopause symptoms, such as difficulty sleeping, hot flashes, and sweats? Find out what a recent study showed in the What It Does section of the Melatonin Supplements Review. (Also see our Top Pick for melatonin.)
Dry Eye, Fish Oil and Contact Lenses -- (7/28/2018) Taking fish oil can help people with dry eye and it was recently studied for dry eye associated with wearing contact lenses. Find out what the recent study found and learn more about fish oil for dry eye in the What It Does section of the Fish Oil & Omega-3 Supplements Review. (Also see our Top Picks among fish oil supplements.)
Vitamin D and Leg Muscle Strength -- (7/24/2018) Giving a moderate amount of vitamin D to women deficient in vitamin D was shown to improve leg muscle strength. A much higher dose did not. Get the details, including dosage, and learn about vitamin D for strength and balance in the Muscle, Balance, and Falls section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
Fish Oil for Heart Health? -- (7/21/2018) Are fish oil supplements good for the heart? See what a review of over 70 clinical trials concluded in the Heart Attack and Stroke section of the Fish Oil and Omega-3 Supplements Review.

Also, learn what fish oil can or cannot do for other health conditions, such as arthritis, in the What It Does section of the review. (See our Top Picks among fish and marine oils.)
Cancer & High-Dose Vitamin D -- (7/21/2018) Does taking high-dose vitamin D reduce the risk of cancer? Find out what a major new study found in the Cancer section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D.)
Green Tea as a Prebiotic -- (7/20/2018) Green tea may have a prebiotic effect — stimulating the growth of beneficial bacteria in the gut. Find out what clinical trials are showing in the What It Does section of the Green Tea Review. (Also see our Top Picks among green tea products).
Lower Cancer Risk With High Vitamin D? -- (7/17/2018) A recent analysis suggests that breast cancer risk is lowest with vitamin D blood levels at or above 60 ng/mL -- an unusually high level. Before you try this at home, be sure to read our commentary in the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D.)
Too Much Coconut Water? -- (7/17/2018) Drinking too much coconut water can be dangerous, particularly for certain people. Get the details in the Concerns and Cautions section of the Coconut Waters Review. (Also see our tests and comparisons of popular coconut waters.)
Ashwagandha for Schizophrenia -- (7/17/2018) Can ashwagandha reduce symptoms of schizophrenia? Find out what a new study suggests in the What It Does section of the Ashwagandha Review. (Also see our Top Pick among ashwagandha supplements.)
Fruit for the Eyes -- (7/13/2018) Can consuming certain foods or beverages reduce the risk of developing age-related macular degeneration (AMD) — a common eye disease? Yes, according to a recent study. Get the details in the food section of the Vision Supplements Review. (Also see our Top Rated vision supplements.)
Melatonin and Restless Legs Syndrome -- (7/13/2018) Taking a melatonin supplement can help some people fall asleep, but a study suggests that it may be a problem for people with restless legs syndrome. Get the details, and learn about potential side effects of melatonin in the Concerns and Cautions section of the Melatonin Supplements Review.
Fish Oil for Depression? -- (7/13/2018) Several studies have evaluated omega-3 fatty acids to decrease the severity of depression. Find out if it works in the Depression section of the Fish Oil and Omega-3 Fatty Acid Supplements Review. (Also see our Top Picks among fish oil supplements.)
Multivitamins & Cardiovascular Disease -- (7/10/2018) Does taking a multivitamin reduce the risk of heart disease and stroke? See what a recent analysis concluded in the Background section of the Multivitamin Review. (Also see our Top Picks among multivitamins.)
CoQ10 for Migraine -- (7/10/2018) CoQ10 and its active form, ubiquinol, have been studied in several clinical trials to treat migraine headache. Find out what the research is showing in the Migraine section of the CoQ10 and Ubiquinol Supplements Review. (Also see our Top Picks among CoQ10 and ubiquinol supplements.)
Niagen for Blood Sugar Control? -- (7/10/2018) Niagen, a brand of nicotinamide riboside (a form of niacin), was recently tested in a clinical trial to control blood sugar levels. Get the results in the Niacin section of the B Vitamins Review. (Also see our Top Picks among niacin supplements.)
Vitamin D & Headache -- (7/7/2018) Recent studies suggest a connection between vitamin D blood levels and the frequency of headaches, including migraine. Get the details in the Headache section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
Cooking With Turmeric -- (7/4/2018) Is cooking with turmeric a good way to get curcumin? How does it compare with taking a supplement? Find out what studies are showing in the ConsumerTips section of the Turmeric and Curcumin Supplements & Spices Review. (Also see our Top Picks for turmeric spices and turmeric/curcumin supplements.)
Astaxanthin for Sun Protection? -- (7/1/2018) Can taking an astaxanthin supplement improve the appearance of the skin or protect it from UV damage? See what a new study found in the What It Does section of the Astaxanthin Supplements Review. (Also see our Top Picks among astaxanthin supplements.)

June
CBD Approved as Drug -- (6/26/2018) The first drug containing CBD was approved this week by the FDA. The dosage, however, is quite different from that being used by many as a supplement. Get the details in the CBD and Hemp Supplements Review. (Also see our Top Picks among CBD products.)
Ubiquinol for Blood Sugar Control? -- (6/26/2018) Does giving ubiquinol (the active form of CoQ10) to people with type 2 diabetes help with blood sugar control? Find out in the What It Does section of the CoQ10 and Ubiquinol Supplements Review. (Also see our Top Picks among CoQ10 and ubiquinol supplements.)
Probiotics for Bones -- (6/23/2018) Can taking a daily probiotic help reduce bone loss? Find out what a year-long study showed in the Bone density and fractures section of the Probiotic Supplements Review. (Also see our Top Picks among probiotic supplements.)
Vitamin D for Strength? -- (6/23/2018) Muscles contain vitamin D receptors, but does giving high-dose vitamin D to women deficient in vitamin D improve their muscle strength? Get the answer in the recent update to the Muscle, balance and falls section of the Vitamin D Supplements Review.
Melatonin for Poor Sleepers -- (6/20/2018) For people who cannot fall asleep until early morning, a recent study showed some benefit with a low-dose form of melatonin. For details, see the What It Does section of the Melatonin Supplements Review. (Also see our Top Picks among melatonin supplements.)
Intestinal Benefit of Cocoa? -- (6/20/2018) Cocoa flavanols may support intestinal health, according to an animal study with a cocoa powder that acted like a prebiotic. Get the details in the What It Does section of the Cocoa and Dark Chocolate Review. (Also see our Top Picks among cocoa and dark chocolate products.)
Cannabidiol (CBD) Side Effects -- (6/19/2018) A CL Member recently reported developing "dry mouth" after using CBD oil. Dry mouth is among the potential side effects of CBD. Learn more about this and other CBD side effects in the Concerns and Cautions section of the CBD & Hemp Supplements Review. (Also see our Top Picks among CBD products.)
Better Bone Broth -- (6/15/2018) How a bone broth is prepared can significantly affect its content of amino acids — building blocks for muscle and collagen, according to a recent study. Learn how to find or make better bone broth in the ConsumerTips section of the Bone Broth Review. (Also see our Top Picks among bone broths.)
Vitamin D & Colorectal Cancer Risk -- (6/15/2018) What level of vitamin D is associated with the lowest risk of colorectal cancer according to a recent study? Find out in the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)
Mediterranean Diet Study Retracted -- (6/15/2018) A landmark study about the benefits of the Mediterranean Diet was retracted and republished this week. Does this change what we know about the benefits of extra virgin olive oil? Find out in the Cardiovascular Disease section of the Extra Virgin Olive Oil Review. (Also see our Top Picks among extra virgin olive oils.)
Methylfolate vs. Folic Acid -- (6/12/2018) Methylfolate (L-5-methylfolate, sold as Metafolin and Quatrefolic) is a form of folate promoted for use by people with common genetic mutations that affect the MTHFR enzyme. But is it really better than folic acid? A study recently tested them head-to-head. Get the results in the Folate section of the B Vitamins Review. Also see our Top Picks among methylfolate and folic acid products.
Probiotic for IBS? -- (6/12/2018) Studies have shown that certain probiotics help relieve symptoms of irritable bowel syndrome (IBS), although this can depend on the type of IBS. The most recent study focused on people with diarrhea-predominant IBS. Get the results in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.
Curcumin for Polyps? -- (6/9/2018) Two studies tested whether or not curcumin can reduce polyps in the colons of people predisposed to getting them. See the results in the What It Does section of the Turmeric and Curcumin Supplements Review. Also see our Top Picks among curcumin supplements.
Magnesium & Metabolic Syndrome -- (6/9/2018) A study shows that magnesium can significantly help some people suffering from metabolic syndrome (i.e., high blood sugar, high blood pressure, and related symptoms). Get the details in the What It Does section of the Magnesium Supplements Review. Also see our Top Picks among magnesium supplements.
Resveratrol for Memory? -- (6/9/2018) Does taking resveratrol improve memory in older men and women? See the results of the most recent study in the What It Does section of the Resveratrol Supplements Review. Also see our Top Picks among resveratrol supplements.
Danger With Fake CBD Oil -- (6/9/2018) A synthetic form of cannabidiol appears to be responsible for dozens of reports of adverse effects occurring shortly after taking certain CBD oil products. For details, see the Quality Concerns section of our Review. Also see our Top Picks among CBD and hemp extract products.
Getting Choline -- (6/6/2018) Is it better to get choline naturally from foods or from supplements? A recent study addressed this question. Find out the answer in the ConsumerTips section of the Choline Supplements Review. Also see our Top Picks among products in this category.
Krill Oil for Strength? -- (6/5/2018) Evidence from several studies suggests that fish oil can help modestly improve muscular strength and/or endurance and enhance the effects of training. A recent study investigated whether krill oil can do the same. See the results in the What It Does section of the Omega-3 Fatty Acid Supplements Review (Fish, Krill, and Algal Oils). Also see our Top Picks among products in this category.
Berberine Side Effect -- (6/5/2018) Supplements that contain berberine (a compound extracted from goldenseal) can cause a range of side effects, in addition to drug interactions. It was recently reported that berberine can cause a rare, but severe, skin reaction. Learn more in the Concerns and Cautions section of the Berberine and Goldenseal Supplements Review. Also see our Top Pick among products in this category.
Melatonin and Balance -- (6/2/2018) If you take melatonin, be aware that it can potentially affect balance for a period of time, as demonstrated in a recent study. For details, see the Concerns and Cautions section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.
Magnesium for Depression? -- (6/2/2018) Magnesium may help some people with depression according to a recent placebo-controlled study. Learn more in the What It Does section of the Magnesium Supplements Review. Also see our Top Picks for magnesium.

May
Probiotic Effective for People With Mania -- (5/30/2018) A daily probiotic was shown to greatly reduce the risk of rehospitalization for acute mania among people recently hospitalized for this condition. The probiotic contained strains common in products that ConsumerLab has tested and reviewed. For details, see the What It Does section of the Probiotic Supplements Review.
Do We Really Need More Lithium? -- (5/26/2018) Studies have shown higher rates of mental illness and dementia in areas with the lowest levels of lithium in the water, suggesting that people supplement with lithium. However, a new study raises doubts about this. For details, see the What It Does section of the Low-Dose Lithium Supplements Review.
Eat Fish for Heart Health -- (5/22/2018) The American Heart Association recently affirmed that eating fish may help to reduce the risk of cardiac death, coronary heart disease, and ischemic stroke. However, the same cannot be said for fish oil supplements. Get the details in the What It Does section of the Fish Oil Supplements Review. Also, stay tuned: ConsumerLab is currently testing popular brands of canned tuna and salmon to assess their purity and levels of omega-3 fatty acids.
Collagen for Ankle Pain and Sprains? -- (5/22/2018) A new study investigated the effects of collagen supplementation on ankle stability, pain and sprains in athletes. Find out if it helped in the What It Does section of the Bone Broth Review (which includes information about collagen). (Also see how much collagen we found in popular bone broths, and our Top Picks among products).
Hair & Nail Supplements Can Skew Lab Tests -- (5/22/2018) There are reports of high-dose biotin (common in "hair and nail" supplements) causing false readings on blood tests. Be sure to tell your doctor if you're taking high-dose biotin. Get the details in the Biotin section of the B Vitamin Supplements Review.
Protein for Exercisers -- (5/20/2018) What happens when you give extra protein to women who regularly perform resistance exercise? Extra good things, according to a recent study. See the details (including dosage) in the What It Does section of the Protein Powders, Shakes, and Drinks Review. (Also see our Top Picks among protein products).
Too Much Vitamin B6 -- (5/15/2018) Be aware that you can get too much vitamin B6 from supplements and energy drinks. This can result in nerve damage and other adverse effects, as has been recently reported. For details, see the B6 section of the B Vitamin Supplements Review.
Fish Oil for Joints -- (5/15/2018) See what happened when high-dose fish oil was given for a year to older men and women in the Arthritis and Other Inflammatory Diseases section of the Fish Oil Supplements Review. Also see our Top Picks among fish oils and other omega-3 supplements.
Casein at Night? -- (5/15/2018) It has been suggested that casein protein be taken at bedtime because it is absorbed relatively slowly, providing a more continuous supply of amino acids throughout the night to maintain muscle. A study recently put this theory to the test. See the results in the Casein section of the Protein Powders Review. Also see our Top Picks among products.
Cinnamon for Arthritis -- (5/5/2018) Taking cinnamon as a supplement was found to decrease symptoms of rheumatoid arthritis in a recent study. Get the details and learn what else cinnamon can do (particularly regarding blood sugar) in the What It Does section of the Cinnamon Supplements & Spices Review. (Also see our test results for popular cinnamon supplements).
Delaying Menopause -- (5/5/2018) A new study found that diet may influence the age at which menopause occurs in women. This is important because later menopause has been associated with lower risk of many health conditions. Find out which foods are associated with later or earlier menopause in the Background section of the Menopause Supplements Review. (Also see what we found in supplements intended to treat menopause symptoms.)
Choosing Olive Oil for Cholesterol Benefit -- (5/2/2018) Certain types of olive oil may be more effective at improving cholesterol levels according to a recent analysis. Find out more in the What It Does section of the Extra Virgin Olive Oil Review. (Also see our Top Picks among extra virgin olive oils).
Can L-Arginine Cause Pancreatitis? -- (5/1/2018) Although uncommon, there have been reports of acute pancreatitis occurring in conjunction with L-arginine use. Get the details and learn about other possible side effects of arginine in the Concerns and Cautions section of the L-arginine Supplements Review.

April
Dark vs. Milk Chocolate for Vision? -- (4/29/2018) A recent study compared the effects on visual acuity of eating a bar of dark chocolate versus milk chocolate. Find out which was better in the Vision section of the Dark Chocolates, Cocoa Powders, and Cacao Nibs Review. (Also see our product tests, comparisons, and Top Picks.)
When to Take Protein -- (4/29/2018) When is the best time of day to take a protein supplement if you want to gain muscle but lose fat? An analysis of over 30 clinical studies involving protein supplementation and resistance exercise recently addressed this question. Get the answer and details in the ConsumerTips section of the Protein Powders, Shakes and Drinks Review. (Also see our Top Picks among protein products).
Avoiding Green Tea Toxicity -- (4/24/2018) The European counterpart to the FDA recently issued its conclusions regarding toxicity from green tea catechins. Get the details in the Concerns and Cautions section of the Green Tea Review.
Fish Oil for Cognition? -- (4/21/2018) Does giving older people a high dose of fish oil help them with memory and thinking? A recent study helped answer this question. Get the answer and details in the What It Does section of the Fish Oil Supplements Review.
MitoQ Trial -- (4/21/2018) A recent study assessed the effect of MitoQ, a compound related to CoQ10, on the functioning of arteries in older adults. Get the results and learn more about MitoQ in the ConsumerTips section of the CoQ10 Supplements Review.
Fish Oil for Dry Eye? -- (4/14/2018) A major study evaluated the effects of supplementing with the omega-3 fatty acids EPA and DHA in people with dry eye. Get the results and details in the What It Does section of the Fish Oil Supplements Review. (Also see our Top Picks among fish oil supplements).
CBD for Schizophrenia? -- (4/10/2018) People with schizophrenia were given CBD (cannabidiol) twice daily in the hope that it would improve symptoms and cognitive performance. Find out if it helped in the What It Does section of the CBD Supplements Review. (Also see our test results for CBD products.)
Curcumin for Cognition? -- (4/6/2018) Did high-dose curcumin (derived from turmeric) improve cognition or reduce fatigue in healthy middle-aged and older people in a recent study? Find out what curcumin can and can't do in the What It Does section of the Turmeric & Curcumin Supplements Review. (Also see our Top Picks among curcumin and turmeric products.)
What Niagen Does -- (4/3/2018) Niagen (nicotinamide riboside) has been promoted as an anti-aging supplement. Find out what's been shown in clinical studies, including one published recently, in the Niacin section of the B Vitamin Supplements Review.
Type 2 Diabetes and Vitamin D -- (4/1/2018) Maintaining an adequate level of vitamin D is associated with a lower risk of type 2 diabetes. But does giving vitamin D to people with existing type 2 diabetes help them with glucose control? Find out what research is showing in the What It Does section of the Vitamin D Supplements Review. (Also see our Top Picks among vitamin D supplements.)



 

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