NOW&ampreg; Sun-E&amptrade; 400 is a soy-free, natural Vitamin E derived from Identity Preserved (IP), Non-GMO Sunflower Seed Oil. Vitamin E is a major antioxidant and the body's primary defense against lipid peroxidation. It is particularly important for the protection against cellular free radical/oxidative damage. These protective benefits are achievable with supplemental intakes higher than what is normally consumed in the average diet.*