19 October 2011
Vitamin E goes from prostate hero to villain
by George Atkinson
Vitamin E supplements, once thought to reduce prostate cancer risk, may actually raise the risk of prostate cancer, say the researchers behind a large national study.
The finding comes from a study that began in 2001 to test the notion that selenium and vitamin E supplements may reduce the risk of developing certain cancers. But the findings, published in the Journal of the American Medical Association, showed that a group of men taking a daily dose of 400 IU of vitamin E over a seven year period had 17 percent more cases of prostate cancer than men who took a placebo.
The men in the study were divided into four groups: vitamin E and Selenium; vitamin E alone; selenium alone; and placebo. The men taking vitamin E were the only group shown to have a statistically significant increased risk of prostate cancer.
"For the typical man, there appears to be no benefit in taking vitamin E, and in fact, there may be some harm," said study author Eric Klein, from the Cleveland Clinic.
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Source: Cleveland Clinic