The potential benefits of this natural substance found in red wine have been reported in mice — countering the unhealthy effects of a high-calorie diet.
That’s not sufficient reason to take it as a supplement, but for those who do, here’s what you should know.
Among 13 products tested, 2 provided only 27% and 58% of their listed amounts of resveratrol. A third product boasted several hundred milligrams of a red wine grape complex but actually contained only 2 milligrams of resveratrol.
John Russo, Jr., PharmD, is president of The MedCom Resource, Inc. Previously, he was senior vice president of medical communications at www.Vicus.com, a complementary and alternative medicine website.