Vitamin e

About

What to know

A group of fat-soluble antioxidants including tocopherols (alpha, beta, gamma, delta) and tocotrienols; the alpha form is most biologically active in humans. Essential for protecting cell membranes from oxidative damage; also used as a natural food preservative (E306–309) to prevent rancidity in fats and oils. Abundant in nuts, seeds, and vegetable oils; deficiency is rare in otherwise healthy individuals.