Mini MCAT passage: Pentose phosphate pathway and G6DP deficiency (practice) Khan Academy Sex differences in glutathione metabolism and acetaminophen toxicity Structural Research of Membrane Associated Proteins in Eicosanoid and Glutathione Metabolism (MAPEG) Creative Biostructure Glutathione is the body's primary internal antioxidant, made using the amino acid cysteine, and it helps protect cells from oxidative stress. Beyond detoxification, research shows glutathione is involved in thyroid hormone metabolism, Frontiers Exogenous cystine increases susceptibility of drug resistant Salmonella to gentamicin by promoting oxidation of glutathione metabolism and imbalance of intracellular redox levels