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2. Selenium is an essential nutrient. But what exactly is it? - AOL

   www.aol.com/selenium-essential-nutrient-exactly...

   Selenium plays important roles in hormone function, a healthy metabolism, DNA synthesis and protection from oxidative damage and infection, notes the U.S. National Institutes of Health (NIH ...

3. Selenium yeast - Wikipedia

   en.wikipedia.org/wiki/Selenium_yeast

   Selenium yeast is a feed additive for livestock, used to increase the selenium content in their fodder. It is a form of selenium currently approved for human consumption in the EU and Britain. [ 1 ] Inorganic forms of selenium are used in feeds (namely sodium selenate and sodium selenite , which appear to work in roughly the same manner).

4. Selenomethionine - Wikipedia

   en.wikipedia.org/wiki/Selenomethionine

   Selenomethionine (SeMet) is a naturally occurring amino acid. The L -selenomethionine enantiomer is the main form of selenium found in Brazil nuts , cereal grains , soybeans , and grassland legumes , while Se -methylselenocysteine , or its γ-glutamyl derivative , is the major form of selenium found in Astragalus , Allium , and Brassica species ...

5. Selenium deficiency - Wikipedia

   en.wikipedia.org/wiki/Selenium_deficiency

   Selenium deficiency occurs when an organism lacks the required levels of selenium, a critical nutrient in many species.Deficiency, although relatively rare in healthy well-nourished individuals, [1] can have significant negative results, [2] affecting the health of the heart and the nervous system; contributing to depression, anxiety, and dementia; and interfering with reproduction and gestation.

6. Sodium selenite - Wikipedia

   en.wikipedia.org/wiki/Sodium_selenite

   Selenium is toxic in high concentrations. As sodium selenite, the chronic toxic dose for human beings was described as about 2.4 to 3 milligrams of selenium per day. [7] In 2000, the US Institute of Medicine set the adult Tolerable upper intake levels (UL) for selenium from all sources - food, drinking water and dietary supplements - at 400 μg/day. [8]

7. Multivitamin - Wikipedia

   en.wikipedia.org/wiki/Multivitamin

   Some women may need to take iron, vitamin C, or calcium supplements during pregnancy, but only on the advice of a doctor. In the 1999–2000 National Health and Nutrition Examination Survey , 52% of adults in the United States reported taking at least one dietary supplement in the last month and 35% reported regular use of multivitamin ...

8. Selenocysteine - Wikipedia

   en.wikipedia.org/wiki/Selenocysteine

   Selenocysteine is an analogue of the more common cysteine with selenium in place of the sulfur. Selenocysteine is present in several enzymes (for example glutathione peroxidases , tetraiodothyronine 5′ deiodinases , thioredoxin reductases , formate dehydrogenases , glycine reductases , selenophosphate synthetase 2 , methionine- R -sulfoxide ...

9. Selenium in biology - Wikipedia

   en.wikipedia.org/wiki/Selenium_in_biology

   Selenium is a component of the amino acids selenocysteine and selenomethionine. In humans, selenium is a trace element nutrient that functions as cofactor for glutathione peroxidases and certain forms of thioredoxin reductase. [1] Selenium-containing proteins are produced from inorganic selenium via the intermediacy of selenophosphate (PSeO 3 3 ...