(SWH173)Swanson Naringin - Citrus Bioflavonoid 500 mg 60 CapsGrapefruit antioxidant protection Enhances powers of vitamin C Citrus bioflavonoid Swanson Naringin is a beneficial glycoside flavonoid concentrated from grapefruit peel. Naringin gives grapefruit its characteristic bitter flavor, and works synergistically with vitamin C to pump up cellular defenses. Each of our capsules offers more naringin than you would drink in one 16 oz. glass of fresh grapefruit juiceand with no bitter flavor! There's no better