Main Reaction: NADPH + Oxidized glutathione (GSSG) >> 2 Reduced glutathione (GSH) + NADP+

Reference: PubMed ID: 19417084
Authors: Rogers SC, Said A, Corcuera D, McLaughlin D, Kell P, Doctor A
Title: Hypoxia limits antioxidant capacity in red blood cells by altering glycolytic pathway dominance.
Published: 2009 Sep

NADPH + Oxidized glutathione (GSSG) --> 2 Reduced glutathione (GSH) + NADP