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White Plains, New York, October 11, 2016 — Resveratrol supplements have been popular since 2006, when studies in animals showed "life-extending" and "endurance-enhancing" effects, among other potential benefits. Although such dramatic effects have not been demonstrated in people, other potential uses are being explored relating to age-related macular degeneration, cardiovascular health, diabetes, and memory. More than $40 million worth of resveratrol-containing supplements are purchased in the U.S. each year, according to Nutrition Business Journal. recently purchased and tested many of the most popular resveratrol supplements to see whether they contained their expected amounts of resveratrol. It also reviewed the clinical evidence regarding resveratrol's use for different conditions and its potential side effects.

The tests revealed that one supplement contained just 11.8% of the resveratrol that might be expected from the label. However, found that most supplements contained their claimed amounts of resveratrol. Among the products which passed testing (including seven products tested through CL's voluntary Quality Certification Program), identified three products as its Top Picks for providing high-quality resveratrol for just 10 cents or less per 100 mg, compared to as much as $1.50 for some other products.

The test results and product ratings are now available in's Resveratrol Supplements Review is now available online at The report summarizes the clinical evidence regarding the use of resveratrol, dosage, what to look for on labels, safety and potential drug interactions.

The Review includes test results and quality comparisons for the following products: Bulk Resveratrol, Country Life Resveratrol Plus, Doctor's Best Best trans-Resveratrol 100, Dr. Whitaker Triveratrol Gold, Finest Nutrition [Walgreens] Resveratrol, Life Extension Optimized Resveratrol, Life Smart Labs, Inc Resveratrol Extreme, Longevinex, Pure Encapsulations Resveratrol VESlsorb, Puritan's Pride Resveratrol, Puritan's Pride Resveratrol 250 mg Plus Red Wine, Resvinatrol Complete, ResVitále Resveratrol, ShopRite Resveratrol, Solgar Resveratrol, Spring Valley [Walmart] Resveratrol, Trunature [Costco] Resveratrol Plus, Vitacost Trans-Resveratrol, Vitamin Shoppe Reservie Trans-Resveratrol, Vitamin World Youth Guard Resveratrol and Vitamin World Youth Guard Resveratrol 250 mg Plus Red Wine.

Founded in 1999, is a leading provider of consumer information and independent evaluations of products that affect health and nutrition. Membership to is available online and provides immediate access to reviews of more than 1,000 products from over 400 brands. The company is privately held and based in Westchester, New York. It has no ownership from, or interest in, companies that manufacture, distribute, or sell consumer products.

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