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 normal biological stress. To complement the activities of Trans-Resveratrol, this product includes proanthocyanidins (OPCs) from grape seed extract and catechins from green tea extract Ingredients Plus Red Wine Extract, Green Tea Grape Seed Free From Not manufactured with wheat, gluten, milk, egg, fish or shellfish ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.