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Clinical Updates
Resveratrol (Red Wine, Knotweed and Other Sources)
Anti-Aging Effects of Resveratrol?
September 12, 2025
Does resveratrol have anti-aging effects among older people? Find out what a recent study found in the What It Does section of our Resveratrol Supplements Review, which includes information about a concerning side effect of resveratrol on cholesterol.
Change to a Resveratrol Top Pick
September 09, 2024
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.
Problems with Resveratrol on Amazon
August 15, 2024
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.
Resveratrol for Migraine?
April 29, 2022
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?
Resveratrol and Anemia
March 25, 2022
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.
Resveratrol for Mild COVID?
September 23, 2021
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.
Resveratrol and Insulin Sensitivity
October 15, 2020
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.
Resveratrol for Menopause?
September 07, 2020
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.
Resveratrol for Memory?
April 10, 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.
Resveratrol for Memory?
June 08, 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.
High-Dose Resveratrol Increases "Bad" Cholesterol
February 09, 2017
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) >>
Resveratrol for Blood Sugar?
August 29, 2016
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 >>
Resveratrol for Alzheimer's Disease?
September 11, 2015
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 >>
Resveratrol Blunts Benefits of Exercise
November 04, 2014
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 >>
Resveratrol for Memory?
June 10, 2014
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 >>
Resveratrol for Glucose Control
April 12, 2014
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 >>
Resveratrol May Blunt Positive Effects of Exercise
July 27, 2013
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 >>
Can Resveratrol Help Control Blood Sugar?
August 18, 2012
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 >>
Resveratrol Improves Health Measures
November 12, 2011
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.
