Now Foods Resveratrol, 200mg, 60VCFree Radical Scavenger* With Red Wine Extract 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 healthy response to biological stress.* Natural color variation may occur in this product.