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Vitamin E/beta carotene

This article was originally published in The Tan Sheet

Executive Summary

Study by David Nierenberg, MD, Dartmouth-Hitchcock Medical Center, et al. finds that oral beta carotene supplementation "has negligible effects on serum tocopherol (vitamin E) levels... Likewise, oral supplementation with tocopherol produces no statistically significant change in serum beta carotene." Published in the Jan. 19 Journal of the National Cancer Institute, the multicenter, randomized, placebo-controlled trial observed the blood serum levels of 505 subjects over one year in the Polyp Prevention Study, including a nine-month period of controlled supplementation of 25 mg beta carotene, 1 g ascorbic acid plus 400 mg alpha tocopherol daily, or all three combined
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