High-Dose Vitamin D & Cholesterol -- (3/17/2018)
Giving high-dose vitamin D to people who are not deficient in it may backfire and increase cholesterol levels, as seen in a recent study. Get the details in the Concerns and Cautions
section of the Vitamin D Supplements Review. (Also see our Top Picks
L-Arginine for Workouts? -- (3/17/2018)
A recent study assessed whether taking L-Arginine before a high-intensity workout decreased muscle soreness after the workout. Get the results and more details in the Exercise Endurance and Recovery
section of the L-Arginine Supplements Review. (Also see our Top Picks
Apple Cider Vinegar for Decreasing Appetite & Weight -- (3/13/2018)
Apple cider vinegar is often promoted for decreasing appetite and weight, but there have been few studies to show whether it works. Find out what a new study found in the Apple Cider Vinegar Review >>
(Also see our Top Picks
B12 Dosage -- (3/7/2018)
A study compared the effects of a high weekly dose of vitamin B12 versus a much lower dose given daily. Both worked equally well. Find out why and get more details about B12 dosing in the B-12 section
of B Vitamin Supplements Review.
Statins and Green Tea -- (3/7/2018)
If you take a statin drug to lower your cholesterol, be aware that green tea can moderately affect blood levels of certain statins, as noted in a recent report. This effect also depends on the amount of green tea consumed and individual variability. For details see the Concerns and Cautions
section of the Green Tea Review.
Do Probiotics Affect Weight? -- (3/6/2018)
Studies have shown some probiotics to help somewhat with weight loss and/or slimming, while others have shown no effect. However, a recent study with a popular probiotic found that it increased weight. Get the details in the Weight and fat loss
section of the Probiotic Supplements Review.
Calcium and Colon Polyp Risk -- (3/2/2018)
A large study evaluated the effects of taking calcium and/or vitamin D on the risk of developing precancerous colorectal polyps in people with previous polyps. While there was no effect during the study, a follow up study is now showing much higher rates of polyps among those who had taken certain supplements. Get the details in the What It Does
section of the Calcium Supplements Review.
Matcha Green Tea for Memory & Cognition? -- (2/27/2018)
Can drinking matcha green tea enhance memory or have other cognitive benefits? Find out what a recent study showed in the Memory and Cognition
section of the Green Tea Review.
Ginseng Role in Diabetes -- (2/27/2018)
Results of a recent study suggest that a form of ginseng can help control blood sugar in people with type 2 diabetes. Get the details in the What It Does
section of the Ginseng Supplements Review.
Cannabidiol (CBD) for Epilepsy Treatment -- (2/27/2018)
Commercially available CBD (cannabidiol) preparations were found to be as effective as a prescription anticonvulsant as an add-on therapy for children with epilepsy in a recent study. CBD was less likely to cause side effects than the drug. Get the details, including dosage, in the What It Does
section of the CBD & Hemp Supplements Review (which includes our Top Picks
Folic Acid, Multis & Autism Risk -- (2/25/2018)
The use of a folic acid or multivitamin supplement during pregnancy was associated a reduced risk of autism spectrum disorder in children according to a recently published study. Be aware, however, that high-dose folic acid during pregnancy may have negative effects. For details, see the Folic Acid
section of the B Vitamins Review.
Risk With Too Much Selenium -- (2/21/2018)
Taking too much selenium was found to increase the risk of death in a newly published study. How much is too much? Get the details in the Concerns and Cautions
section of the Selenium Supplements Review.
CoQ10 for Nerve Pain -- (2/17/2018)
Taking CoQ10 along with standard medication may decrease trigeminal (facial) nerve pain more than medication alone, according to a new study. For details, including dosage, see the What It Does
section of the CoQ10 and Ubiquinol Supplements Review. (Also see our Top Picks
Fish Oil for Ulcerative Colitis -- (2/13/2018)
A special formulation of high-dose fish oil was found to help people with ulcerative colitis remain in remission in a placebo-controlled study. It also reduced levels of a key marker of inflammation. For details, see the Arthritis and Other Inflammatory Diseases
section of the Fish Oil Supplements Review.
Protein Enhances Muscle Gain in Young and Old -- (2/10/2018)
Consuming extra protein, up to a point, was found to help both younger and older people increase muscle strength and size as part of resistance exercise training. For details see the What It Does
section of the Protein Powders Review. (Also see our Top Picks
among protein powders).
Does Protein Hurt Bones? -- (2/7/2018)
It has been speculated that high-protein diets can result in calcium loss from bone. A recent study tested this. Get the results in the Concerns and Cautions
section of the Protein Powders Review -- which also discusses a concern with dehydration. (If you use protein powders, see our Top Picks
Disheartening Fish Oil News -- (2/3/2018)
Another report was published this week showing no cardiovascular benefit from fish oil supplementation. You can get the details in the Heart Attack and Stroke
section of the Fish Oil Supplements Review. Fish oil may provide cardiovascular benefit in limited situations, as explained in the Review.
Lead in Maca Powder -- (2/3/2018)
A woman in California who was taking maca powder daily to treat fatigue found it was also increasing the concentration of lead in her blood. More concerning is that the amount of lead in her maca was only 1/3 the lead level in one of the popular maca powders tested by ConsumerLab.com. Get the details
, and find out which maca supplements passed
ConsumerLab.com's tests in the Maca Supplements Review.
A Case of Too Much Iodine -- (1/28/2018)
A woman with hypothyroidism was hospitalized due to a change in mental state and physical symptoms resulting from getting too much iodine from iodine-containing supplements. For details and upper limits for iodine intake, see the Concerns and Cautions
section of the Kelp Supplements Review.
L-Carnitine Caution -- (1/28/2018)
A study in which L-carnitine was given to women during chemotherapy had a surprising result: It worsened side effects. Get the details in the Concerns and Cautions
section of the Acetyl-L-Carnitine Supplements Review.
A Reason to Take Fish Oil With Statins? -- (1/23/2018)
It's well known that high-dose fish oil can lower elevated triglycerides. But can it help people already on a statin drug? A recent clinical trial answered this question. Get the details, including the dose of fish oil used, in the "Heart Attack and Stroke
section of the Fish Oil Omega-3 Fatty Acid Supplements Review. (Also see our Top Picks
FDA Finds High Cadmium in Cocoa Products -- (1/17/2018)
Researchers from the U.S. FDA recently reported finding high levels of cadmium in cocoas as well as cocoa nibs and dark chocolates — particularly in cocoas from certain parts of the world. The results are similar to what ConsumerLab has reported. For details, see the Dark Chocolate, Cocoa Powder, Nibs, Extracts & Supplements Review >>
Link Between Vitamin D and Multiple Sclerosis? -- (1/16/2018)
Although some studies suggest vitamin D deficiency is a risk factor for developing multiple sclerosis, a recent review found vitamin D intake was not associated with a reduced risk. Learn more in the "What It Does" section of the Vitamin D Supplements Review >>
Lutein and Zeaxanthin Improve Memory -- (1/16/2018)
Lutein and zeaxanthin may help to slow the progression of age-related macular degeneration in people with low blood levels of lutein. A new study suggests these compounds may have another benefit -- improving memory in some people. Get the details in the "What It Does" section of the Vision Supplements Review >>
(Also see our top choices
Curcumin for Depression -- (1/16/2018)
Can curcumin reduce symptoms of major depression in people who are already taking an antidepressant? See what a new study found in the "What It Does" section of the Turmeric & Curcumin Supplements Review >>
(Also see our Top Picks
B12 for Cognition -- (1/13/2018)
Numerous studies show that getting adequate intake of B vitamins, such as B12, and, perhaps, omega-3 fatty acids from fish, may slow age-related declines in memory and cognition. But not everyone should expect a benefit, as shown in a recent study. For details, see the Memory, Cognition, and Alzheimer's Disease
section of the B Vitamin Supplements Review. (Also see our Top Picks
Take Choline When Pregnant -- (1/13/2018)
It was recommended last year that women take a choline supplement when pregnant. Adding momentum to this recommendation is a recent study showing that giving pregnant women a larger amount of choline than normally considered adequate resulted in improved information processing speeds in their infants. Currently, choline is not found in most prenatal vitamins. For more information, see the During Pregnancy and Lactation
section of the Choline Supplements Review. (Also see our Top Picks
Curcumin for Knee Osteoarthritis -- (1/9/2018)
A type of curcumin that has been Approved for Quality by ConsumerLab.com was found to be modestly effective in treating symptoms of knee osteoarthritis in a recently published study. For details see the Osteoarthritis
section of the Turmeric & Curcumin Supplements Review.
The same study found that combining curcumin with boswellia may be advantageous. Learn more about this and other popular supplements for joint health in the Joint Supplements Review >>
Vitamin D's Cardiovascular Effect -- (1/6/2018)
Taking vitamin D can improve aspects of cardiovascular function in certain situations, as shown in a recently published study
. Get the details in the "Cardiovascular disease, blood pressure, and cholesterol" section of the Vitamin D Supplements Review
. (Also see our Top Picks
among vitamin D supplements.)
Can CoQ10 Lower Cholesterol? -- (1/6/2018)
A recent study looked at whether CoQ10 can lower cholesterol in people with elevated levels. Find out what the study found and details about dosage in the "What it Does" section of the CoQ10 and Ubiquinol Supplements Review >>
(Also see our Top Picks
Does Curcumin Lower Cholesterol? -- (1/2/2018)
A recent study evaluated whether curcumin can help lower cholesterol levels, as well as further reduce levels in people using a phytosterol spread. Get the results and details about the type and dose of curcumin used, in the "What It Does" section of the Turmeric & Curcumin Supplements Review >>
(Also see our Top Picks
For more about cholesterol-lowering, also see our Phytosterol Supplements Review >>