Resveratrol naturally occurring in plants is a mixture of cis-isomers and trans-isomers, but the activity of resveratrol in living organisms depends on the trans-resveratrol entering the blood circulation to achieve. In addition, the vast majority of resveratrol is complex by metal ions during diges

A possible link between resveratrol and weight loss has been studied in animal studies. Mice given this supplement and a high-fat diet did not gain weight. The resveratrol lemurs seemed to have trouble gaining weight, mainly because they weren't eating as much food as they normally would.