Storage lesion: History and perspectives Although G6PD deficiency, which can cause problems in red blood cells upon certain triggers, is the most common human enzyme defect, affecting over 400 million people, including over 1 in 10 Black Glucose 6 phosphate Dehydrogenase (G6PD) Enzyme ROS Scavenger Biochemistry & Hematology Glutathione, Reduced Glutathione, GSH, Endogenous Antioxidant Molecule. Skeletal Formula. Stock Vector Illustration of peroxide, melanin: 244372488 Oxidative Stress in Healthy and Pathological Red Blood Cells