Resveratrol is a powerful antioxidant that is produced by various fruits to protect against environmental stresses.
Wine, particularly red wine, which is fermented with grape skins has some of the highest levels of resveratrol out of any natural food.

Resveratrol is found naturally in red wine, grapes, blueberries, peanuts, and various other plants.
Resveratrol has been proven to fight cancer, significantly lower glucose in humans with Type 2 diabetes, and to reduce signs of alzheimers disease.