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Facts about Vitamin EWhat are the key facts about vitamin E? 1. Vitamin E is also know as alpha tocopherol, a lipid-based antioxidant. As a result, it performs a general function of limiting the spread of free-radical damage to the cell. 2. The US RDA for vitamin E is 30 IU per day. Although surveys indicate that most people don't get enough in their diet, true vitamin E deficiencies are rare. 3. Effective doses to receive the antioxidant benefits of vitamin E are about 200 IU per day. 4. Natural d-alpha tocopherol or it's acetate or succinate ester is more potent than synthetic dl-alpha tocopherol. 5. Vitamin E is available in a wide variety of foods. The easiest natural food sources are walnuts and avocados. Various oils also have high vitamin E content. 6. The tolerable upper limit (UL) for vitamin E is 1500 IU, or 1000 mg natural alpha tocopherol. Doses above this level are associated with an increased tendency to hemorrhage. 7. High vitamin E levels are known to be correlated with enhanced immunity and lower risk for cancer and neurodegenerative diseases. Clinical trial data in this area is quite complex, so we continue to await a definitive human study. 8. Alpha tocopherol (vitamin E) is one of eight members of a family of related antioxidants. Among these compounds is the tocotrienols, an unsaturated form of vitamin E with a different tissue distribution profiles and higher potency. 9. Vitamin E has undeservedly gotten a bad rap in recent clinical trials. In fact, daily supplementation is quite safe, and very likely to be effective. Look here for a more detailed run-down of the
facts about vitamin E
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