Where did your glow go? L Glutathione is often called the master antioxidant, a tripeptide that supports skin radiance, oxidative stress support, immune function, and the body's natural detox pathways. Ours is 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 Structure of the tripeptide reduced glutathione (GSH: Download Scientific Diagram Structure of reduced glutathione (GSH) . Glutathione (L g Download Scientific Diagram L Glutathione vs. oxidized vs. Reduced Glutathione