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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.
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 a cofactor for the three thyroid hormone deiodinases, helping activate and then deactivate various thyroid hormones and their metabolites. Isolated selenium deficiency is now being investigated for its role in the induction of autoimmune reactions in the thyroid gland in Hashimoto's disease . [ 162 ]
They contain double the recommended daily dose of selenium, a mineral that improves thyroid function and fights inflammation. Selenium intake is often not a high priority for many people, so have ...
They're also high in selenium — one nut provides more than 100% of your daily selenium needs — which has antioxidant properties and is important for thyroid function, immunity, reproductive ...
T 3, through binding a nuclear thyroid hormone receptor, influences the expression of genes in practically every vertebrate cell. [2] [3] Iodothyronine deiodinases are unusual in that these enzymes contain selenium, in the form of an otherwise rare amino acid selenocysteine. [4] [5] [6]
Just be aware that the tolerable upper intake level of selenium is about 400 mcg and Brazil nuts contain 68–91 mcg per nut. Try not to exceed three nuts per day (because they are so large, 1–2 ...
Hypothyroidism (also called underactive thyroid, low thyroid or hypothyreosis) is a disorder of the endocrine system in which the thyroid gland does not produce enough thyroid hormones. [3] It can cause a number of symptoms, such as poor ability to tolerate cold , extreme fatigue, muscle aches , constipation , slow heart rate , depression , and ...
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