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Intake Of Natural Antioxidants – Not Supplements – Reduces Risk Of Male Urinary Infections

December 22, 2010: 08:30 AM EST

Antioxidants consumed from natural sources such as fruits and vegetables reduce by as much as 50 percent the risk of developing lower urinary tract symptoms (LUTS) in men, according to new U.S. research. High-dose supplemental antioxidants, however, actually increase the risk of LUTS, researchers found, perhaps because of increased urinary acidity caused by the supplements. In a study of 1,466 men, the higher the natural intake of lycopene, beta-carotene and vitamin A (4,780 micrograms a day), the greater the reduction of LUTS risk – as much as 40 to 50 percent – compared to low average intake (775 micrograms a day). Regarding antioxidant supplements, the researchers concluded that “for some men, LUTS could be ameliorated by changing urine composition through modification of high-dose supplement use.”

Nancy N. Maserejian,et al. , "Dietary, but Not Supplemental, Intakes of Carotenoids and Vitamin C Are Associated with Decreased Odds of Lower Urinary Tract Symptoms in Men", Journal of Nutrition, December 22, 2010, © American Society for Nutrition
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