Natural Factors Vitamin E 400 IU - Vitamin E, in a pure, natural d'Alpha Tocopheryl Acetate form for longer shelf-life. As a powerful antioxidant, Vitamin E is known for its ability to help prevent such degenerative conditions as cancer, cardiovascular disease, anemia, cataracts and more, while promoting healthy nerves and muscles, speeding the healing of wounds, strengthening capillaries and promoting healthy, youthful skin, hair and nails.