Glutathione in the Brain Encyclopedia MDPI Glutathione in Brain: Overview of Its Conformations, Functions, Biochemical Characteristics, Quantitation and Potential Therapeutic Role in Brain Disorders Neurochemical Research Springer Nature Link 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 Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Catabolism of extracellular glutathione supplies cysteine to support tumours Nature Oral administration of glutamylcysteine increases intracellular glutathione levels above homeostasis in a randomised human trial pilot study ScienceDirect