Probiotics and their metabolite spermidine enhance IFN +CD4+ T cell immunity to inhibit hepatitis B virus: Cell Reports Medicine Gamma glutamyl transferase test information Simplify Your Glutathione Measurements Arbor Assays Components of the Glutathione Cycle as Markers of Biological Age: An Approach to Clinical Application in Aging 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