Lacking enough of the sunshine vitamin might snuff out the lights on your bedroom game. New research from Italy suggests that low levels of vitamin D may increase your risk of erectile dysfunction.
When researchers tested 143 men with varying degrees of erectile dysfunction, they found that nearly half of them were com
ing up deficient in D, and only one in five had optimal levels of the nutrient. What’s more, men with severe cases of ED had vitamin D levels that were about 24 percent lower than those of men with mild forms of the condition.
Insufficient levels of D may spur the production of free radicals called superoxide ions, according to study author Alessandra Barassi, M.D., and her research team. These free radicals deplete your nitric oxide, a molecule that helps your blood vessels function properly. The result: It makes it hard to, well, get hard.
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