Resveratrol (Red Wine, Knotweed and Other Sources)
One of our Top Picks for resveratrol has been discontinued and replaced with a product with a similar name but much less resveratrol. Get the details in the Top Picks section of our Resveratrol Supplements Review.
Recent tests of 30 resveratrol supplements sold on Amazon showed that most contained less than 10% of their claimed amounts. For details, see the Quality Concerns section of our Resveratrol Supplements Review, which includes our two Top Picks for resveratrol.
Can resveratrol supplementation decrease the frequency or severity of migraine in women with menstrual migraine? See what a new study showed in the What It Does section of our Resveratrol Supplements Review.
Also see our answer to the question: Do any supplements or foods help with migraine? Do any trigger migraine?
A CL member recently reported developing mild iron deficiency anemia after use of a popular resveratrol supplement. Find out what research suggests about this connection in the Concerns and Cautions section of our Resveratrol review.
A recent study gave resveratrol to people with mild COVID. Find out if it reduced hospitalization, ER visits or pneumonia in the What It Does section of our Resveratrol Supplements Review.
See information about the use of other supplements for COVID.
See information about the use of other supplements for COVID.
Can resveratrol improve insulin sensitivity or lower blood sugar levels in people who are overweight? See what a new study showed in the What It Does section of our Resveratrol Supplements Review. Also, see our Top Picks for resveratrol.
Can resveratrol decrease menopausal symptoms in women? Find out what a recent study showed in the What It Does section of the Resveratrol Supplements Review. Also see our Top Picks for resveratrol.
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.
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.
A study of middle-aged men with metabolic syndrome found that high doses of resveratrol increased levels of "bad" LDL cholesterol. Get the details in the "What It Does" section of the Resveratrol Supplements Review (which includes our tests of products) >>
Despite preliminary studies which found resveratrol to help lower blood sugar in people with type 2 diabetes, a larger long-term study found no benefit. Find out more in the "What It Does" section of the Resveratrol Supplements Review >>
High doses of a synthetic resveratrol stabilized a marker of disease progression in people with mild to moderate Alzheimer's, a recent study reports. However, more research is required to determine if resveratrol is effective for Alzheimer's. Get the details about this and other studies with resveratrol, and our tests and comparisons of products, in the Resveratrol Supplements Review >>
A new, small study adds to the evidence that resveratrol may interfere with the positive effects of exercise. Get the details, plus evidence regarding other uses for resveratrol and our tests of products, in the updated Resveratrol Supplements Review >>
A new study suggests that resveratrol may improve aspects of memory, as well as glucose control, in overweight individuals. For more information about the study and dosage, as well as our tests and comparisons of resveratrol supplements, see the update to the Resveratrol Supplements Review >>
A recent review of clinical studies shows that resveratrol can help with glucose control in people with type 2 diabetes. However, it is not the general fountain of youth originally hoped. For more information about resveratrol, including our tests of resveratrol supplements, see the updated Resveratrol Supplements Review >>
Although experiments in animals suggest that resveratrol improves athletic endurance, a new, placebo-controlled study in men found it to blunt some of the positive effects of exercise. Get the details plus test results for 20 resveratrol supplements and more information about resveratrol's effects in the updated Resveratrol Supplements Review >>
A new clinical study suggests potential benefits for people with type 2 diabetes taking one of the resveratrol products evaluated by ConsumerLab.com. Get the details in the latest update to ConsumerLab.com's Resveratrol Supplements Review. More >>
A recently published study of obese men given resveratrol (sometimes referred to as "red wine extract") showed improvement in certain parameters of health. The study used a lower dose than often suggested. For details, see the What It Does and What to Consider When Buying and Using sections of the Resveratrol Supplements Review.