Supplementation with uric and ascorbic acid protects stored red blood cells through enhancement of non enzymatic antioxidant activity and metabolic rewiring ScienceDirect Your Glutathione Index Defines How Your Cells Are Ageing Assay for quantitative determination of glutathione and glutathione disulfide levels using enzymatic recycling method Nature Protocols Response of Human Red Blood Cells to Acute and Chronic Oxidant Challenge as Observed Through the Glutathione and Glutathionyl Hemoglobin Redox Pairs In Vitro and In Vivo