Selenium

Selenium appears in 25 commercial supplement products across 25 brands in this SuppDB sample, at per-serving doses ranging 0.00125–0.225 mg. It is catalogued as a mineral ingredient, supplied in forms such as L-Selenomethionine, Sodium Selenite, and Selenomethionine. Its NIH PubChem record lists molecular formula Se, a molecular weight of 78.97 g/mol, and InChIKey BUGBHKTXTAQXES-UHFFFAOYSA-N. Label reference values in the sample record a recommended intake of 0.055 mg and an upper safety limit up to 0.4 mg.