Prefrontal Glutathione Levels in Major Depressive Disorder Are Linked to a Lack of Positive Affect I spent 4 years talking about mental health and the connection to the gut brain axis. At the time I thought I was reaching the root of the problem by addressing the Glutathione reverses endothelial dysfunction and improves nitric oxide bioavailability JACC Glutathione Strive Pharmacy Glutamate's exciting roles in body, brain, and mind: A fertile future pharmacotherapy target MDedge OXIDATIVE AND NITROSATIVE STRESS AS WELL AS THE TRYPTOPHAN CATABOLITES PATHWAY IN DEPRESSIVE DISORDERS