Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Influence of 7~ hydroxycholesterol. on glutathione status and nitric oxide production in macrophages: In vitro studies l Arginine induces antioxidant response to prevent oxidative stress via stimulation of glutathione synthesis and activation of Nrf2 pathway ScienceDirect Reaction between nitric oxide, glutathione, and oxygen in the presence and absence of protein: How are S nitrosothiols formed? ScienceDirect Glutathione Homeostasis and Functions: Potential Targets for Medical Interventions Lushchak 2012 Journal of Amino Acids Wiley Online Library