Glutathione deficiency and heart failure: a systematic review of human and animal evidence ScienceDirect Frontiers Can glutathione be a biomarker for suicide risk in women 18 months postpartum? A major breakthrough in brain science is shedding new light on the biology behind depression. Using advanced imaging, researchers have found that people with major depressive disorder have significantly lower levels of Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification