The Determination of Blood Glutathione by Amperometric Titration Journal of Clinical Pathology Colorimetric detection of glutathione in human blood serum based on the reduction of oxidized TMB New Journal of Chemistry (RSC Publishing) 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, Glutathione Index Test GSH & GSSG At Home Kit Australia Bloody Good Frontiers Mathematical Modeling of Glutathione Status in Type 2 Diabetics with Vitamin B12 Deficiency