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Alternative namesDeficiency - vitamin E; Tocopherol
DefinitionVitamin E is a fat-soluble vitamin that acts as an antioxidant.
Vitamin E is an antioxidant that protects body tissue from damage caused by unstable substances called free radicals. Free radicals can harm cells, tissues, and organs, and they are believed to be one of the causes of the degenerative processes seen in aging.
Vitamin E is also important in the formation of red blood cells and it helps the body to use vitamin K .
Vitamin E is found in the following foods:
Products made from these foods, such as margarine, also contain vitamin E.
Side EffectsThere is no known dietary deficiency of vitamin E.
There are no known toxic effects to megadoses of vitamin E. Occasional side effects such as headache have been reported.
The benefit of vitamin E supplementation in cancer, heart disease, dementia, liver disease, and stroke are still not known. It is likely that a protective effect will be found for coronary artery disease.
Recommended daily allowances (RDAs) are defined as the levels of intake of essential nutrients that, on the basis of scientific knowledge, the Food and Nutrition Board judges to be adequate to meet the known nutrient needs of practically all healthy persons.
The best way to get the daily requirement of essential vitamins is to eat a balanced diet that contains a variety of foods from the food guide pyramid .
Specific recommendations for each vitamin depend on age, gender, and other factors (such as pregnancy). The U.S. Department of Agriculture offers a PDF file that lists these .
Specific recommendations for each vitamin depend on age, .
Update Date: 1/19/2003Steven Angelo, M.D., Assistant Professor of Medicine, Yale School of Medicine, New Haven, CT. Review provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT