Beers DR, Henkel JS, Zhao W, Wang J, Appel SH
Glutathione is synthesized from glycine, cysteine, and glutamate in a two-step process that occurs in the cytosol of all cells
7 GST is involved in facilitating tumor resistance and suppressing apoptosis in tumor cells via two mechanisms

Biological Functions of Selenium in Neurological Disease It is estimated that 25 selenoproteins are present in the human body at present, including glutathione peroxidase1 (GPX1), glutathione peroxidase2 (GPX2), glutathione peroxidase3 (GPX3), glutathione peroxidase4 (GPX4), glutathione peroxidase6 (GPX6), thioredoxin reductase1 (TrxR1), thioredoxin reductase2 (TrxR2), thioredoxin reductase3 (TrxR3), iodothyronine deiodinases1 (DIO1), iodothyronine deiodinases2 (DIO2), iodothyronine deiodinases3 (DIO3), methionineRsulfoxide reductase B1 (SelR), selenophosphate synthetase 2 (SPS2), selenoproteins F (SelF), selenoproteins H (SelH), selenoproteins I (SelI), selenoproteins K (SelK), selenoproteins N (SelN), selenoproteins M (SelM), selenoproteins O (SelO), selenoprotein P (SelP), selenoproteins V (SelV), selenoproteins S (SelS), selenoproteins T (SelT), and selenoproteins W (SelW) [16, 17]
It also improves peoples daily brain function and concentration levels
Aleksandrova, K., Koelman, L., & Rodrigues, C