Natural Factors GrapeSeedRich Super Strength Grape Seed Extract - 400 mg - Help protect your body naturally from the destructive effects of free-radical scavengers with the powerful immune-boosting properties found in Grape Seeds. Determined to be far more potent than Vitamin C and Vitamin E, but also able to enhance the effects of these potent and popular anti-oxidants, Grape Seed Extract can play an important role in fighting degenerative disease development, while strengthening the capillaries, fighting allergies, maintaining and improving vision and keeping your skin healthy. This extract is derived from non-GMO grapes, with each 400 mg vegetarian capsule equal to 40,000 mg of grape seed powder. It delivers 380 mg of polyphenols and 320 mg of OPCs, key constituents responsible for grape seeds’ important health benefits.