SEARCH RESULTS for "Resveratrol"

Review of resveratrol supplements tested by, including ratings and comparisons of product quality, price, and ingredients.

Resveratrol Supplements Review (Grape, Red Wine, and Polygonum Sources)

Learn how to find the best resveratrol supplements, see amounts of trans resveratrol found in popular brands. Find out which ones passed our test and why.

Other Related Product Reviews Found:
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Encyclopedia Articles Found: (Articles do not mention brands)
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3.Oral Contraceptives
4.Functional Foods Index
5.Enhancing Memory and Mental Function
6.Functional Foods
7.Diabetes, General
8.Herbs & Supplements Answers to Questions Found:
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1.I thought resveratrol came from red wine or grape skins - what is the "Polygonum cuspidatum" I see listed on my supplement?
2.Does resveratrol really activate SIRT1 - the "longevity" gene?
3.How much resveratrol is in wine? Is it enough to have a benefit?
4.Are the cardiovascular benefits of resveratrol exaggerated?
5.Does Longevinex resveratrol really help for age-related macular degeneration?
6.What is pterostilbene? Can it really improve cardiovascular and cognitive health?
7.Which supplements can help lower cholesterol and keep my heart healthy? Are there any to avoid?  (in Comments)
8.Do any supplements really help with brain function, like memory and cognition?  (in Comments)
9.Are supplements which claim increased absorption or improved bioavailability telling the truth? Is it worth paying more for these? Are there concerns?
10.I developed a rash after taking an iron supplement and then realized the supplement contained soy, to which I am allergic. Can your reports help me avoid soy and other allergens in supplements?
11.Which supplements can help lower my triglycerides?
12.Which supplements can help to lower blood pressure?
13.Is quercetin helpful for a specific condition? I see it as an ingredient in several different types of supplements.
14.How much should I expect to pay for supplements? Are higher-priced supplements any better than low-priced brands?
15.Is it possible to take too much vitamin C?
16.Are there supplements I should avoid when taking apixaban (Eliquis) or similar blood thinner drugs?
17.What is Protandim and does it really work?
18.Are there any supplements I should avoid when taking acetaminophen (Tylenol)?
19.I do moderate exercise for about an hour a few times a week. Which supplements might help me?
20.I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements I should avoid, or be taking, due to this drug?

Clinical Updates Found:
2020 Resveratrol for Memory? (04/11/2020)
Resveratrol for Memory?
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.
2018 Resveratrol for Memory? (06/09/2018)
Resveratrol for Memory?
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.
2017 High-Dose Resveratrol Increases "Bad" Cholesterol (02/10/2017)
High-Dose Resveratrol Increases "Bad" Cholesterol
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) >>
2016 Resveratrol for Blood Sugar? (08/30/2016)
Resveratrol for Blood Sugar?
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 >>
2015 Resveratrol for Alzheimer's Disease? (09/12/2015)
Resveratrol for Alzheimer's Disease?
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 >>
2014 Resveratrol Blunts Benefits of Exercise (11/05/2014)
Resveratrol Blunts Benefits of Exercise
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? (06/11/2014)
Resveratrol for Memory?
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 (04/13/2014)
Resveratrol for Glucose Control
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 >> 
 Vitamins C & E Blunt Exercise Effect (02/07/2014)
Vitamins C & E Blunt Exercise Effect
A recent study found that giving high-dose vitamin C or vitamin E to people involved in intensive exercise training blunted cellular changes thought to be important for improving muscular endurance. These and similar results recently reported with resveratrol raise concerns about high-dose antioxidant supplementation during exercise training. For details, see the updates to the "Concerns and Cautions" sections of the Vitamin C Supplements Review >>  and the Vitamin E Supplements Review >> 
2013 Resveratrol May Blunt Positive Effects of Exercise (07/28/2013)
Resveratrol May Blunt Positive Effects of Exercise
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 >>  
2012 Can Resveratrol Help Control Blood Sugar? (08/19/2012)
Can Resveratrol Help Control Blood Sugar?
A new clinical study suggests potential benefits for people with type 2 diabetes taking one of the resveratrol products evaluated by Get the details in the latest update to’s Resveratrol Supplements ReviewMore >>
2011 Resveratrol Improves Health Measures (11/13/2011)
Resveratrol Improves Health Measures
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.

Recent Recalls and Warnings Found:
1.Seller of CoQ10, Resveratrol and More Warned for Manufacturing Violations (02/18/2020)

Archived Recalls and Warnings Found:
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1.Seller of Cholesterol, Arthritis Supplements and More Warned for Drug Claims (11/06/2014)
2.Marketer Banned From Selling Weight Loss Products (09/13/2014)
3.Seller of "Nerve", "Cleanse" and Probiotic Supplements Warned for Drug Claims (09/05/2014)
4.Weight Loss Supplement Claims Challenged (12/06/2013)
5.Immune Supplement Recalled Due To Undeclared Milk (08/27/2013)
6.Weight Loss Supplement Formulas For Men and Women Recalled Due To Undeclared Drugs (08/20/2013)
7.Seller of Sexual Enhancement, Cholesterol, Resveratrol Supplements and More Warned For Drug Claims (05/23/2013)
8.Maker of Liquid Supplements Warned For Manufacturing Violations and Drug Claims (03/15/2013)
9.FDA and FTC Warn: Supplements Cannot Prevent, Treat Or Cure Cold And Flu (02/21/2013)
10.Maker of Antioxidant and Anti-Aging Supplements Warned For Manufacturing Violations (02/14/2013)
11.Maker of Blood Pressure, Probiotic, Resveratrol and Hormonal Supplements Warned For Manufacturing Violations and Drug Claims (11/21/2012)
12.Manufacturer of Prostate, Inflammation and Cholesterol Supplements Warned For Drug Claims (11/02/2012)
13.Maker of Omega-3, Bone and Brain and Supplements Warned For Drug Claims (09/10/2012)
14.FTC Attacks Massive Online Fraud Regarding "Free Trials" of Supplements and Health Products (06/18/2011)

News Releases Found:
2018 Top-rated Vitamin and Supplement Brands and Merchants for 2018 Based on Consumer Satisfaction (02/25/2018)
2017 Top-rated Vitamin and Supplement Brands and Merchants for 2017 Based on Consumer Satisfaction (02/25/2017)
 Vitamin D Supplements Maintain Top Spot in Popularity, as Probiotics Surpass Multivitamins to #4 Behind Fish Oil and CoQ10 in Latest Survey (02/24/2017)
2016 What Are the Benefits of Resveratrol and Which Brands Are Best? -- Reviews the Evidence and Tests the Quality of Popular Resveratrol Supplements (10/11/2016)
 Top-rated Vitamin and Supplement Brands and Merchants for 2016 Based on Consumer Satisfaction (02/25/2016)
2015 Use of Magnesium and Probiotics Rise, Multivitamins and Weight Loss Supplements Fall, According to Survey (02/28/2015)
 Top-rated Vitamin and Supplement Brands and Merchants for 2015 Based on Consumer Satisfaction -- Results of the Survey of Vitamin & Supplement Users (02/25/2015)
2013 What's Really in Resveratrol Supplements? Some Contain Little Resveratrol or Do Not Meet Quality Standards According to (09/19/2013)
 Use of CoQ10, Digestive Enzymes, Probiotics and B Vitamins on the Rise According to Survey (01/31/2013)
2012 Contamination and Other Problems Found in Fish Oil Supplements -- Large Review by Reveals Excessive PCBs or Mislabeling in Over 30% of Omega-3 Supplements (08/22/2012)
 Fish oil and multivitamins most popular supplements in survey -- Internet most popular place to shop (02/05/2012)
2011 Vitamin D use increased 52% in past two years according to survey of supplement users -- Fish oil continued to surpass multivitamins as most popular supplement and Internet was most common place to buy supplements (01/31/2011)
2010 Finds Lower-priced Resveratrol Supplements Pass Tests While Some Higher-priced brands flunk (12/02/2010)
 Fish oil becomes most popular dietary supplement in survey; Vitamin D and resveratrol use surge (01/31/2010)
2007 finds some "red wine" supplements deliver less resveratrol than expected; Wide range in dose and price (11/13/2007)
 Recently tested magnesium supplements free of lead, but one product missing most of its ingredient according to — First Major Product Review of Potential "Life-Extending" Ingredient (10/30/2007) finds generic antidepressant behaves differently from original drug. May explain complaints by patients. — Generic drug equality questioned (10/12/2007)
 Tests of B-vitamins by finds several short on folic acid — New report covers B-complexes, thiamin, niacin, B-6, B-12, biotin and folic acid supplements (09/10/2007)
 ConsumerLab tests products in booming nutrition drink market — most deliver what's promised but extra cholesterol found in some — New report covers drinks and powders for endurance/recovery, body building, meal-replacement and dieting (08/20/2007) finds lutein & zeaxanthin supplements vary widely in strength but most meet ingredient claims — Right amount of antioxidant may help prevent macular degeneration and improve vision (07/12/2007)
 Tests show many milk thistle supplements low in key component — Seven products fail testing of herb used in diabetes and liver diseases (06/12/2007) finds some alpha lipoic acid supplements come up short — Improper formulation may cause ingredient degradation (05/15/2007) reports improvement in quality of SAM-e supplements used for osteoarthritis and depression — Recent testing shows quality is up since studies in 2000 and 2003 (04/24/2007)
 Many arthritis supplements lack key listed ingredient — finds chondroitin missing or low in eight supplements; Glucosamine and MSM also tested (04/11/2007) reports on anti-depressant herb — St. John's Wort — Few supplements pass quality testing (02/14/2007)


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