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Selenium is a cofactor for enzymes that are present in thyroid cells, such as iodothyronine deiodinase (DIO), which catalyzes the conversion of T4 to T3, thioredoxin reductase (TR), which is involved in the regulation of the redox state, and glutathione peroxidase (GPx), which catalyzes the reduction of H 2 O 2 to H 2 O, using reduced glutathione (GSH) as a cosubstrate
It is naturally present in food, although dietary intake may vary and is commonly taken as a standalone supplement
Wei, Y., et al
Miami has a large, active population: athletes, gym-goers, people recovering from sports injuries, and patients dealing with chronic gut issues that never fully resolved
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