where is glutathione found naturally A Review of Dietary (Phyto)Nutrients for Support Glutathione with Cofactors — Seeking

It also has other clinical applications

The down-regulation response to adenosine is not mediated through G-protein-coupled adenosine receptors, but occurs through an increase in tyrosine protein phosphatase activity resulting in a decrease in the tyrosine phosphorylation of extracellular signal-regulated kinase 1/2 (ERK1/2) mitogen activated protein kinase (MAPK) that leads to an alteration in DPP4 mRNA

It also helps stem cells to differentiate into nerve cells, thus stimulating the growth of tissue in the central nervous system (CNS)

Right place, right time

Crafted with a powerful blend of L-Glutathione, N-Acetyl Cysteine, and Tranexamic Acid, it accelerates skin lightening and brightening to reveal radiant skin

Javitch JA, DAmato RJ, Strittmatter SM, Snyder SH