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. As an antioxidant, resveratrol protects against free radical damage for overall good health.
 
Provides an antioxidant
Extracted from British Columbia red grapes and Japanese knotweed
Provides all-natural trans-resveratrol