Glutathione (GSH), a powerful intracellular antioxidant, plays a Download Scientific Diagram Sacramento Glutathione (GSH) is a crucial endogenous "master" antioxidant that protects the heart by reducing oxidative stress, neutralizing lipid peroxides, and preventing cell death. Low glutathione levels are consistently found in GSH Glo Glutathione Assay Real Time Monitoring of the Level and Activity of Intracellular Glutathione in Live Cells at Atomic Resolution by 19F NMR ACS Central Science The changing faces of glutathione, a cellular protagonist., Volume I Frontiers Research Topic 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,