Vitamin E (alpha tocopherol) is a fat-soluble antioxidant that may help minimize the effects of free-radicals. In food, it helps prevent polyunsaturated fatty acids from breaking down and combining with substances that may harm the body. Vitamin E may also help: maintain muscle and nerve function; bring nourishment to cells; strengthen capillary walls; protect red blood cells; promote healthy immune function; and, decrease platelet aggregation (thins blood).