vitamin E, selenium and soy, taken daily for three years, provided no benefit to the prevention of prostate cancer
Supplements don’t prevent prostate cancer: study
By Kerry Grens
(Reuters Health) – A new study deflates hopes that certain nutritional supplements could stave off prostate cancer, the second most common cancer in men.
Canadian researchers found that vitamin E, selenium and soy, taken daily for three years, provided no benefit to men who were at a higher risk of developing the disease.
The findings come three years after a larger study of men, who were at no increased risk of prostate cancer, also found no benefit of selenium or vitamin E supplementation (see Reuters Health report, October 28, 2008).
Initially, there had been high hopes for these supplements, said Dr. Neil Fleshner, who worked on the new research and heads the urology department at the University Health Network in Toronto.
Surveys of people who consumed high levels of vitamin E, selenium, or soy through their diets or by supplements found a decreased risk of developing prostate cancer, and experiments in laboratory animals also