Glutathione Disulfide Reductase (GSR), also known as glutathione reductase (GR), catalyzes the reduction of glutathione disulfide (GSSG) to glutathione (GSH) in the presence of NADPH and flavin adenine dinucleotide (FAD). GSH acts as a scavenger of reactive oxygen species (ROS) such as free radicals, peroxides, lipid peroxides and heavy...