side effects of high dose glutathione FDA highlights concerns with using dietary ingredient to compound sterile injectables Compounded Glutathione Injection | Empower

Food Sci Biotechnol 34 , 39693978 (2025)

Although the steady state concentration of superoxide is approximately 5- to 10-fold higher in the mitochondrial matrix than in the cytosol and the nucleus [29], the steady state concentrations of mitochondrial superoxide and H 2 O 2 are estimated to be as low as about 10 10 M and 10 9 ~10 8 M, respectively [27,29]

Glutathione peroxidase 1 (GPx1) is the most abundant version, existing in the cytoplasm of nearly all mammalian tissues, whose preferred substrate is hydrogen peroxide

ALT and AST are indicators of hepatocyte injury, TBIL reflects bile metabolism and excretion, while ALB indicates the livers synthetic capacity [11]

Yes, when taken as directed, it is generally safe for long-term use