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SELENIUM SUPPLEMENTS IN YOUR MULITI-VITAMIN MAY INCREASE THE RISK OF DIABETES | Healthy Cocoberry

SELENIUM SUPPLEMENTS IN YOUR MULITI-VITAMIN MAY INCREASE THE RISK OF DIABETES

Home / Diabetes / SELENIUM SUPPLEMENTS IN YOUR MULITI-VITAMIN MAY INCREASE THE RISK OF DIABETES

SELENIUM SUPPLEMENTS IN YOUR MULITI-VITAMIN MAY INCREASE THE RISK OF DIABETES

The Lancet, Early Online Publication, 29 February 2012
doi:10.1016/S0140-6736(11)61452-9Cite or Link Using DOI
Selenium and human health

Prof Margaret P Rayman DPhil [Oxon] a
Summary

Selenium is incorporated into selenoproteins that have a wide range of pleiotropic effects, ranging from antioxidant and anti-inflammatory effects to the production of active thyroid hormone.

In the past 10 years, the discovery of disease-associated polymorphisms in selenoprotein genes has drawn attention to the relevance of selenoproteins to health.

Low selenium status has been associated with increased risk of mortality, poor immune function, and cognitive decline.
Higher selenium status or selenium supplementation has antiviral effects, is essential for successful male and female reproduction, and reduces the risk of autoimmune thyroid disease.
Prospective studies have generally shown some benefit of higher selenium status on the risk of prostate, lung, colorectal, and bladder cancers, but findings from trials have been mixed, which probably emphasises the fact that supplementation will confer benefit only if intake of a nutrient is inadequate.

Supplementation of people who already have adequate intake with additional selenium might increase their risk of type-2 diabetes. The crucial factor that needs to be emphasised with regard to the health effects of selenium is the inextricable U-shaped link with status; whereas additional selenium intake may benefit people with low status, those with adequate-to-high status might be affected adversely and should not take selenium supplements.

Americans have high selenium levels and taking it in multivitamins may increase the risk of diabetes