Brain Glutathione Levels A Novel Biomarker for Mild Cognitive Impairment and Alzheimer's Disease Biological Psychiatry Glutathione. Molecular model of the peptide thiol and antioxidant chemical glutathione (C10.H17.N3.O6.S). This molecule prevents damage to important cellular components caused by free radicals. Atoms are represented as spheres and are colour coded: 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 EVALUATION OF THE NEUROPROTECTIVE POTENTIAL OF N ACETYLCYSTEINE FOR PREVENTION AND TREATMENT OF COGNITIVE AGING AND DEMENTIA The Journal of Prevention of Alzheimer's Disease Glutathione is a critical soldier in our line of defense. We even have mechanisms that recycle and reuse it. But what happens when our toxic burden becomes too high? Our genetic detoxification