Many people are taking large doses in the hopes of protecting themselves against heart attacks or reducing the scarring on the heart from a heart attack, or to try to reduce the scarring from a burn or a wound, or to prevent a miscarriage, or to increase endurance for strenuous mountain sports. In the eyes of some scientists this is a valid use of the vitamin. Other scientists believe that there is not enough evidence for them to advocate these uses. Some types of cancer. However, large amounts have been known to cause headaches in persons with high blood pressure.
Safflower is the most concentrated source.
Corn oil is very low. Products made from seed oils, such as salad dressings and margarine. Storage occurs in the fatty tissues. Vitamin E is destroyed by high heat so you cannot count on oils used in frying as a source.