How to interpret blood tests for 7 common vitamin deficiencies Levels Levels Erythrocyte Glutathione S Transferase Activity as a Sensitive Marker of Kidney Function Impairment in Children with IgA Vasculitis Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Frontiers Immune functions of avian erythrocytes: a comprehensive review from basic biology to pathogen induced responses Anaemia is common in people with #CKD, especially in later stages of the disease. Kidney disease reduces production of the hormone erythropoietin (EPO), needed for making red blood cells. People with anemia