Men who took 400 international units (I.U.) of vitamin E daily had more prostate cancers compared to men who took a placebo, according to an updated review of data from the Selenium and Vitamin E Cancer Prevention Trial (SELECT). There were 76 reports of prostate cancer per 1,000 men in the study among the group that took only vitamin E, compared to 65 cases per 1,000 men in the placebo group. The results of this update appeared Oct. 12, 2011, in the Journal of the American Medical Association.
Eric Klein, M.D., a study co-chair for SELECT, stated, "Based on these results and the results of large cardiovascular studies using vitamin E, there is no reason for men in the general population to take the dose of vitamin E used in SELECT as the supplements have shown no benefit and some very real risks,"
For a complete report on this study, visit NIH-Funded Study Shows Increased Prostate Cancer Risk from Vitamin E Supplements.
For an updated Q&A on SELECT, please go to http://www.cancer.gov/newscenter/qa/2008/selectqa.
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