Dietary supplementations and depression JMDH Dove Medical Press Your Glutathione Index Defines How Your Cells Are Ageing Oxidative alterations in exfoliated oral mucosa cells of patients with major depressive disorder ScienceDirect 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 as a Cerebral Substrate in Depressive Behavior