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- Supports thyroid health
- Supports general immune health
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There are about 25 different selenium-containing proteins identified in humans, and selenium (Se) has been recognized as a trace mineral since 1957. As an antioxidant, selenium contributes to health in numerous ways, including immune function, thyroid function, reproductive health, and DNA synthesis[1,2].
The thyroid gland contains the highest concentration of selenium, while muscles, liver, and bones hold the most selenium.
Food sources of selenium include selenomethionine, selenocysteine, and se-methyl-L-selenocysteine (organic selenium).
Selenium can be found in soil as selenate and selenite (which are called inorganic forms), and plants convert them into organic forms.
Selenium is primarily found in Brazil nuts, which contain an average of about the recommended dietary allowance (RDA) per nut. Among the best sources of selenium are fish, meat, poultry, mushrooms, and legumes.
The majority of ingested selenium is converted into selenoproteins (proteins containing selenocysteine) - selenoproteins are members of the selenol class of organoselenium compounds. Selenoproteins are the cofactors for antioxidant enzymes, such as glutathione peroxidase and thioredoxin reductase, and enzymes required for thyroid hormone conversion.
Among the organic forms of selenium, se-methyl-L-selenocysteine (MSC) is one: Most of the selenium found in Allium (for example, garlic, leeks, onions) and Brassica (for instance, broccoli, cabbage, cauliflower) is selenium in its organic form[4,5].
Selenium is named for a word derived from Ancient Greek - selḗnē, meaning the moon.
Immune function
Thyroid function
Gut microbiota
Healthy aging
Complementary ingredients
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