What is glutathione and why must we protect patient access to it? A Literature Review of Glutathione Therapy in Ameliorating Hepatic Dysfunction in Non Alcoholic Fatty Liver Disease Glutathione deficiency induces epigenetic alterations of vitamin D metabolism genes in the livers of high fat diet fed obese mice Scientific Reports Therapeutic effects of reduced glutathione on liver function, fibrosis, and HBV DNA clearance in chronic hepatitis B patients BMC Gastroenterology Springer Nature Link