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Dietary selenium and selenoprotein function

Benjamin S. Weeks, Mirna S. Hanna, Deborah Cooperstein

Med Sci Monit 2012; 18(8): RA127-132

DOI: 10.12659/MSM.883258

Available online: 2012-08-01

Published: 2012-08-01

Selenium is a trace mineral and an essential nutrient in the human diet. Selenium is found in soil and water and consequently enters the food chain through the root ways of plants and aquatic organisms. Some areas of the world are low in soil selenium resulting in a selenium deficient population and the appearance of an associated heart disease and bone disorders that can be corrected with dietary selenium. Indeed the requirement for dietary selenium was established by these observations and while selenium deficiency is rare in the West, patients requiring long-term intravenous feedings have also show heart disease associated with a deficiency of selenium in the feeding fluids. Subsequently, it has been established that dietary selenium can improve a wide range of human health conditions even in areas with soil replete in selenium.

Keywords: Selenoproteins - metabolism, Selenium - pharmacology, Fertility - drug effects, Dietary Supplements, Clinical Trials as Topic, Animals, Thyroid Gland - physiology