Contains oligomeric proanthocyanidin (OPC), a very strong antioxidant. Research indicates that grape extract possesses 20 times more antioxidant activity than vitamin C and 50 times more antioxidant activity than vitamin E! Grape extract has great potential against diseases related to free-radical damage, because it can strengthen the immune system, protect against cancers and lower the risk of cardiovascular disease. Grape extract can also aid the absorption of vitamins C and E, maintain collagen, reduce skin damage by UV rays, and delay visible signs of ageing for a youthful, radiant appearance.