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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 ...
Selenium is found in metal sulfide ores, where it substitutes for sulfur. Commercially, selenium is produced as a byproduct in the refining of these ores. Minerals that are pure selenide or selenate compounds are rare. The chief commercial uses for selenium today are glassmaking and pigments. Selenium is a semiconductor and is used in photocells.
Selenium is found in different forms based upon the food in which it is found. For instance, the form found in mustard and garlic is different from the form found in wheat or corn. In some products, the added selenium is structurally substituted for sulfur in the amino acid methionine , thus forming an organic chemical called selenomethionine ...
A six-ounce cut of top sirloin, for instance, contains calcium, selenium, niacin, vitamin B6, ... which is absorbed more abundantly and easily in humans than iron found in plant-based foods.
Research has found that selenium may be especially beneficial for people with Hashimoto’s. ... Focusing on vitamin D and selenium-rich foods is a great first step to help mitigate the symptoms ...
Flavonoids are found in many common foods, including: Nuts. Tea and tea leaves. Cocoa. ... and small amounts of vitamin E and selenium, which are linked to improvements in sperm motility, semen ...
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. [1]
Because selenium is an essential element, sodium selenite is an ingredient in dietary supplements such as multi-vitamin/mineral products, but supplements that provide only selenium use L-selenomethionine or a selenium-enriched yeast. The US Food and Drug Administration approved a selenium supplement to animal diets; the most common form is ...
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