The many Mental Neurological Disorders and Diseases humans face have an interesting relationship with glutathione. When the disease or disorder is present, glutathione (GSH) and other elements are below normal levels. Some of these others are either synergistic with glutathione or they are cofactors of glutathione.
I know because of the in balance is related to glutathione deficiency, depletes by 10 to 12% every decade.
There are over 90,000 peer reviews articles at pubmed.com a U.S Nationa Library of Medicine Ntional Institutes of Health.