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Vitamin E
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Much like vitamin C, vitamin E is a power antioxidant that protects human cells and LDL cholesterol from oxidation damage caused by free radicals. It is when LDL cholesterol is damaged that it appears to lead to coronary and heart disease.
Research performed over the last decade has shown that in addition to its antioxidant function vitamin E is also involved in an number of other bodily functions include blood cell regulation, connective tissue growth, and genetic control of cell division.
While vitamin E deficiency is uncommon, low vitamin E status has been link to increased risk of rheumatoid arthritis and severe depression. Women with preeclampsia have also been found to have lower blood levels of vitamin E than women without the condition as well as individual who suffer from certain genetic conditions.
Experts suggest that vitamin E supplementation may increase immunity in the elderly, and assist in preventing macular degeneration and cataracts. As an antioxidant vitamin E assists in protecting cells against the cancerous effects of chemical, pollutants, chemicals and the sun’s ultraviolet rays. Very much like vitamin C, vitamin E can prevent the formation of harmful carcinogenic nitrosmines.
The recommended dietary allows for vitamin E is only 15 mg or 22 IU per day. However, the most commonly recommended dosage of supplemental vitamin E for adults is 400 to 800 IU per day.
Robertson, J., et al. "A possible role for vitamins C and E in cataract prevention." Am J Clin Nutr, suppl 53: 346S-51S, 1991.
GISSI-Prevenzione Investigators. Dietary supplementation with n-3 polyunsaturated fatty acids and vitamin E after myocardial infarction: results of the GISSI-Prevenzione trial. Gruppo Italiano per lo Studio della Sopravvivenza nell’Infarto miocardico. Lancet 1999; 354:447–55.
Snodderly, D.M. "Evidence for protection against age-related macular degeneration by carotenoids and antioxidant vitamins." Am J Clin Nutr, 62: 148S-1461S, 1995.
Azzi A, Breyer I, Feher M, et al. Specific cellular responses to a-tocopherol. J Nutr 2000;130:1649–52.
Borek, C. Environ Health Perspectives, 1993, loc. cit.
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