Nutra-Life Grape Seed 50,000 is a high strength antioxidant formula providing eye health, heart and circulatory system benefits due to the presence of 320mg of potent Procyanidins. Grape seed extract is extremely rich in antioxidants and oligomeric proanthocyanidin complexes (OPCs). OPC's can benefit blood vessels, circulation and cariovascular health, and can also support the eyes to adapt to variations in light intensity.