Each easy-to-swallow soft gel contains 400 IU (International Units) of pure vitamin E in the form of d-alpha tocopherol, derived and isolated from 100% natural sources with additional beta, delta, and gamma tocopherols in a balanced ratio. Vitamin E is a fat-soluble vitamin and antioxidant that protects cell membranes and prevents free radical damage, supporting the cardiovascular system and general health. Vitamin E? s ability to protect cell membranes is important for people in polluted environments and those with active lifestyles. Experts recommend daily supplementation of vitamin E as it is difficult to get enough through diet alone.