One of the most powerful antioxidants that fight free radicals, grapeseed extract is 20 times more potent than vitamin C, and 50 times more potent than vitamin E. While it has been shown to be effective at improving cardiovascular health, it is also one of the few antioxidants that is effective at protecting the brain and increasing mental alertness. Our grapeseed extract features Activin, a premium quality grapeseed extract containing high levels of OPC's. As a dietary supplement, adults take one (1) capsule, four (4) times daily with meals, or as directed by a health care professional. Store in a cool, dry place and away from direct light.