Ask the Doctors What do glutathione supplements do? UCLA Health Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Glutathione redox cycle. Glutathione (GSH) is synthesized from the Download Scientific Diagram 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