A molecular model of gamma- Tocopherol, a form of vitamin E contained in wheat germ, corn, sunflower seeds, or soybean oil, and is the most common form of vitamin E found in North American diets. Vitamin E acts as a fat-soluble antioxidant and plays a role in regulating enzymatic activity and neurological functions. Atoms are colored dark gray (carbon), light gray (hydrogen), and red (oxygen).