1.Selenium wani bangare ne na glutathione peroxidase, wanda ke kula da aikin membranes cell ta hanyar hadawan abu da iskar shaka kuma yana haɓaka samar da antioxidants na endogenous tare da halayen lipid na sunadaran.Shiga cikin jujjuyawar kuzari, yana shafar metabolism, kuma yana taka muhimmiyar rawa a cikin emulsification da sha mai mai da sha na bitamin daban-daban.A lokaci guda kuma, yana shiga cikin haɗin coenzyme A da coenzyme Q, yana shafar ayyukan sauran tsarin enzyme na halitta.Yana da tasiri a kan metabolism na amino acid, furotin kira, carbohydrate metabolism, da kuma nazarin halittu oxidation.Karancin selenium a jikin dabbobi da kaji na iya yin tasiri sosai ga ci gabansu, ci gabansu, da aikin haifuwa.Gwajin alkaloid.Gwajin fitar da iri.Cire koren launi lokacin kera gilashi.Shiri na glaze mai launi.
2. Ana amfani da Sodium selenite azaman ƙarin ƙarfi na selenium a abinci.
3. Ana amfani da shi azaman ƙarfafa abinci mai gina jiki da ƙari.
4. Ana amfani da shi azaman reagent na biochemical don gwada alkaloids da haɓakar iri.Ana amfani da shi don shirya gilashin ja da glaze masu launi.