Results of a large study done see if vitamin E or selenium could prevent prostate cancer has actually shown the opposite result! The SELECT study was done to follow-up on a smaller study that indicated vitamin E might reduce prostate cancer risk. The SELECT study results indicate that vitamin E, taken at the levels used in the trial (400 IU/d of all rac-α-tocopheryl acetate) may increase the risk of prostate cancer. Men who take vitamin E supplements should discuss the impact of these results with their physician.
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