File:Glutathion metabolism DE state in G6PD deficiency.png Wikimedia Commons Glucose 6 Phosphate Dehydrogenase (G6PD) Deficiency The Medical Biochemistry Page Frontiers Recent findings in the regulation of G6PD and its role in diseases 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 G6PD and the glutathione (GSH) cycle. Download Scientific Diagram