What is Resveratrol?

By Barbara Day, M.S., R.D., C.N.

Resveratrol is a plant chemical found in red grape skins and grape seeds, purple grape juice, red wine and a very small amount in peanuts. Antioxidants in red wine called polyphenols may help protect the lining of blood vessels in your heart. Because red wine is fermented with grape skins longer than white wine, red wine contains more resveratrol than white wine. Red and purple grape juices may contain some resveratrol.  Resveratrol might help prevent damage to blood vessels, reduce “bad” cholesterol and prevent blood clots but most of the research has been done with animals.  Supplements are available but should not be used by children or pregnant women. Resveratrol may reduce the activity of some enzymes involved in drug metabolism. In addition, resveratrol acts like a blood thinner so individuals taking blood thinners should consult with their physician if interested in taking a supplement.  Check www.consumerlab.com to determine if your supplement contains the amount of resveratrol as the label says it does.

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Barbara Day, M.S., R.D., C.N., is a registered dietitian with a Master’s Degree in clinical nutrition.  The former publisher of Kentuckiana HealthFitness Magazine, Kentuckiana Healthy Woman magazine and radio show host of Health News You Can Use, Barbara has over 30 years of experience in promoting healthy lifestyles to consumers.  Barbara worked as Nutrition Consultant to the Navy SEALs (8 years) and the University of Louisville Athletic Department (10 years). Barbara has private practice, DayByDay Nutrition, www.DayByDayNutrition.com, where she counsels clients on weight loss, cholesterol management, performance nutrition and an array of other medical issues.  Visit Barbara’s new website which is an on-line health & wellness magazine, www.KentuckianaHEALTHWellness.com. Barbara writes nutrition and health columns for www.LiveStrong.com as well as a weekly nutrition column for the Southeast Outlook. She also designs and presents employee wellness programs to small and large businesses. Barbara is a runner, cyclist, hiker and a mother and grandmother to 11 grandchildren.    


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