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 Frontiers The Role of Cystine Glutamate Antiporter SLC7A11 xCT in the Pathophysiology of Cancer the regulatory proteins for excitatory excitotoxic glutamate in brain Glutathione: What It Is, Why You Need It, How You Can Increase It The Amino Company The glutathione cycle shapes synaptic glutamate activity PNAS