A large randomized trial has demonstrated that men taking vitamin E supplements experienced a small but statically significant increase in their risk of prostate cancer. Participants were part of the SELECT (Selenium and Vitamin E Cancer Prevention Trial) and were 50 years and older. The authors noted that this study demonstrated that these supplements do not prevent cancer.
PositiveTip: All should be skeptical of health claims for unregulated, over-the-counter products in the absence of strong clinical evidence of benefit.