One product tested, called Revatrol, contained 400 milligrams of a whole red wine grape complex, with an unspecified amount of resveratrol, according to its label. "Clearly a consumer can be ...

Revatrol $39.95 for a one-month supply (1-866-482-6678 or www.revatrol.com ) • The product: a dietary supplement containing an advanced red-wine-extract complex ...