Targeting glutamate signalling in depression: progress and prospects Nature Reviews Drug Discovery Glutathione alterations in depression: a meta analysis and systematic review of proton magnetic resonance spectroscopy studies Psychopharmacology Springer Nature Link Advancements Exploring Major Depressive Disorder: Insights on Oxidative Stress, Serotonin Metabolism, BDNF, HPA Axis Dysfunction, and Pharmacotherapy Advances Glutathione and Depression VITAstir brand Injections Low Levels of the Antioxidant Glutathione Linked to Low Mood Psychology Today