Cross sectional Diagram of an Antioxidant System within a Cell. it Illustrates Stock Illustration Illustration of interacting, glutathione: 416166433 Glutathione, Erythrocytes Doctor's Data Kit Brighter Life Labs In RBCs, NADPH are produced exclusively via HMP shunt by the action of G6PD and are responsible to maintain membrane integrity preventing premature destruction. That is why G6PD deficient RBCs are What is the mechanism of glutathione reductase when reducing oxidized glutathione? Quora