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

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

    Selenium is a nutrient that is naturally present in many foods, added to others and is also available as a dietary supplement in pill, powder and liquid form, explains Perri Halperin, a ...

  3. Selenium - Wikipedia

    en.wikipedia.org/wiki/Selenium

    Selenium is a chemical element; it has the symbol Se and atomic number 34. It has various physical appearances, including a brick-red powder, a vitreous black solid, and a grey metallic-looking form. It seldom occurs in this elemental state or as pure ore compounds in Earth's crust.

  4. 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.

  5. 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 ...

  6. Glass coloring and color marking - Wikipedia

    en.wikipedia.org/wiki/Glass_coloring_and_color...

    Selenium, like manganese, can be used in small concentrations to decolorize glass, or in higher concentrations to impart a reddish color, caused by selenium nanoparticles dispersed in glass. It is a very important agent to make pink and red glass. When used together with cadmium sulfide, [9] it yields a brilliant red color known as "Selenium Ruby".

  7. Red Dye 3 Just Got Banned. These Are the Foods to Avoid If ...

    www.aol.com/red-dye-3-just-got-134800003.html

    The petition filed by over 20 consumer advocacy groups in 2022 that argued for the removal of Red Dye No. 3 from food and dietary supplements cited studies, the FDA's prior use of the Delaney ...

  8. Red Dye 3 Is Officially Banned, But Won't Be Out Of Food ...

    www.aol.com/red-dye-3-officially-banned...

    When will red dye No. 3 be officially gone from shelves? The FDA is giving food companies until January 15, 2027, to remove red dye No.3 from their products, so it won't be officially gone until then.

  9. 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. [1]