500mg l glutathione L-Glutathione Suppositories – 15 Count Liposomal Glutathione

It's prescribed at doses designed to restore normal levels, not exceed them

An alternative pathway of H 2 O 2 detoxification is via catalase, but this route is regarded ineffective under normal conditions (1), because of the lower affinity of catalase for H 2 O 2 compared to that of glutathione peroxidase

Andreakou et al

MtHAP2-1 is a key transcriptional regulator of symbiotic nodule development regulated by microRNA169 in Medicago truncatula

Fas ligand expression on human nucleus pulposus cells decreases with disc degeneration processes

If youre going the research-chemical route anyway, treat a suspiciously cheap price as a warning sign, demand a batch-specific certificate from a named independent lab, and remember that even a legitimate COA sits on a bottle labeled not for human consumption