Glutathione, a tripeptide found in virtually all cells, functions as a reducing agent. The structure of glutathione is: What amino acids make up glutathione? Homework.Study.com Glutathione an overview ScienceDirect Topics Amino acid metabolism in health and disease Signal Transduction and Targeted Therapy Optimizing Glutathione's Component Amino Acids Without Supplements Frontiers Glutathione: Pharmacological aspects and implications for clinical use in non alcoholic fatty liver disease