Selenium (Se), Blood Glutathione Peroxidases and DNA Damage in Chronic Kidney Disease Patients on Hemodialysis and After Kidney Transplantation The Effect of Se Supplementation IntechOpen Glutathione peroxidase (GSHPx) activity in red blood cells (A) and Download Scientific Diagram The Role of Glutathione Metabolism in Chronic Illness Development and Its Potential Use as a Novel Therapeutic Target Cureus When it comes to protecting your kidneys, few nutrients are as powerful and well studied as N Acetylcysteine (NAC). NAC is a special form of the amino acid cysteine, and in the medical world,