Vitamin E is a fat-soluble nutrient found in many foods, such as oils, meat, eggs and leafy vegetables. It has antioxidant properties and is important for protection of cell membranes.
The amount of vitamin E you need each day depends on your age and diet. Average daily recommended intakes are listed below in milligrams (mg) and in International Units (IU). Package labels list the amount of vitamin E in foods and dietary supplements in IU.
— Source: National Institutes of Health Office of Dietary Supplements