Resveratrol Nutritional Supplements are densely populated servings of the resveratrol organic compound found in grapes, bilberries, blueberries and chocolate. It is part of a group of compounds called polyphenols.

It is a natural phenol and a phytoalexin produced by several plants in response to injury or when the plant is under attack by pathogens, such as bacteria or fungi. Sources of resveratrol in food include the skin of grapes, blueberries, raspberries, mulberries, and peanuts.