Selenium is a chemical element, chemical symbol Se, which is located in VI A group in the fourth period of the periodic table of chemical elements, and it is a nonmetal. It can be used as photosensitive materials, catalysts for electrolytic manganese industry, essential nutrients for animals and beneficial nutrients for plants. Selenium exists in nature in two ways: inorganic selenium and plant active selenium. Inorganic selenium generally refers to sodium selenite and sodium selenite, which are obtained from the by-products of metal deposition; The latter is a combination of selenium and amino acids through biotransformation, which generally exists in the form of selenomethionine.
Speaking of health and self-cultivation, it reminds me of the video I saw many years