Vitamin E is a fat-soluble vitamin, which plays a role as an antioxidant in the body. It is an important vitamin, helping maintain healthy skin and eyes, supporting our immune system and can help in naturally slowing aging. Vitamin E also helps in preventing and treating diseases of the heart and blood vessels, such as high blood pressure and blocked or hardened arteries. A healthy diet should give you all the vitamin E you need. Good sources of vitamin E include olive and soya oil, nuts, seeds and wheatgerm.