Product DescriptionNOW® Grape Seed Extract is a highly concentrated extract with a minimum of 90% polyphenols including oligomeric proanthocyanidins (OPCs) which are the potent water-soluble free radical scavenging compounds found in grape seeds.* A growing body of research indicates that grape seed OPCs may help to support the health of vascular bone kidney brain and other tissues by supporting a healthy balanced immune response to oxidative and metabolic stress.* Natural color variation may occur in this product.Brand StoryBy