Cardiovascular Support Free Radical Scavenger With Red Wine Extract Non-GMO A Dietary Supplement Vegetarian - Vegan General Health Family Owned Since 1968 GMP Quality Assured Resveratrol is a polyphenol naturally found in the skin of red grapes, certain berries, and other plants. Recent research has shown that Resveratrol can help to support healthy cardiovascular function. Resveratrol is best known for its cellular anti-aging properties, as well as for its ability to promote a health response to biological stress.