Natural Factors ResveratrolRich Super Strength Resveratrol Concentrate is a high potency compound extracted from the skins of red grapes grown in the Okanagan Valley of British Columbia, and from purified Japanese knotweed. Super antioxidant resveratrol protects against free radical damage to promote healthy aging and overall good health.Provides antioxidant protection and neutralizes free radicalsReduces the oxidation of LDL (“bad”) cholesterol and protects the lining of blood vesselsPromotes healthy agingPrevents brain degeneration due to plaque formation