Glutathione levels and activities of glutathione metabolism enzymes in patients with schizophrenia: A systematic review and meta analysis Sakiko Tsugawa, Yoshihiro Noda, Ryosuke Tarumi, Yu Mimura, Kazunari Yoshida, Yusuke Iwata, Muhammad Elsalhy, Glutathione redox cycle. Glutathione (GSH) is synthesized from the Download Scientific Diagram International Journal of Oncology Glutathione reductase catalytic cycle MedLink Neurology Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Endogenous Glutathione Conjugates: Occurrence and Biological Functions Pharmacological Reviews