Resveratrol is a natural antioxidant found in the skin of grapes. It is a polyphenol which also exists in raspberries, mulberries, peanuts and Japanese knotgrass.

In plants polyphenols act antiphlogistic, cell protecting and antibiotic. Through the "French Paradox" people were attentive on the wholesome effect of resveratrol. According to that French consumed massive fatty food and red vine. But in a worldwide comparison this people shown a slightly rate of cardiovascular disease (CVD). Scientific studies confirmed the positive effect of resveratrol contained in red vine.