Mathematical model for glutathione dynamics in the retina Scientific Reports Glutathione (GSH), the body's primary intracellular antioxidant, plays a fundamental role in maintaining redox balance and detoxification. In normal physiology, this is protective. However, in oncology, the picture becomes more nuanced. Emerging Glutathione Metabolism and Its Implications for Health ScienceDirect Pancreatic islet cell and oxidative stress: The importance of glutathione peroxidase Robertson 2007 FEBS Letters Wiley Online Library