Glucose 6 Phosphate Dehydrogenase Deficiency G6PD Deficiency causes Haemolytic Anaemia Glucose 6 phosphate dehydrogenase is an enzyme in the hexose monophosphate shunt that synthesizes NADPH. The NADPH is used to convert oxidized glutathione (GSSG) to reduced glutathione ( Glucose 6 phosphate Dehydrogenase deficiency (G6PD deficiency) Labpedia.net Glucose 6 Phosphate Dehydrogenase Glucose 6 phosphate dehydrogenase deficiency Knowledge @ AMBOSS The potential link between inherited G6PD deficiency, oxidative stress, and vitamin D deficiency and the racial inequities in mortality associated with COVID 19 ScienceDirect