Exciting research continues to emerge concerning the powerful polyphenol resveratrol, which is found in peanuts, berries, the skin of red grapes, red wine, and in the Japanese knotweed plant, polygonum.* Resveratrol research has proven it to be a very potent antioxidant which, among other things, acts as a sirtuin activator, meaning it activates the SirT1 gene, which is believed to provide an anti-aging effect.* The polygonum source used in Resveratrol Supreme is standardized to 50% resveratrol, all in the trans form.* 60 Vegetarian Capsules