G6PD Deficiency Glucose 6 phosphate dehydrogenase deficiency X linked recessive disorder Leads to low NADPH, impairing glutathione regeneration RBCs are vulnerable to oxidative damage Pathophysiology: In G6PD deficiency: No Glucose 6 Phosphate Dehydrogenase an overview ScienceDirect Topics G6PDH from baker s yeast (S. cerevisiae), lyophilized powder Role of Glucose 6 Phosphate Dehydrogenase (G6PD) in the Pathophysiol ogy of Cataract. G6PD Deficiency and G6PD Activity Testing Mindray File:Pathology of G6PD deficiency.png Wikimedia Commons