The glutathione cycle shapes synaptic glutamate activity PNAS Phase II Glutathione Conjugation Metabolism of Herbicides or Xenobiotics in Plants passel The structure of glutathione, glutamylcysteinyl glycine. 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