The appeal of glutathione injections makes sense. Glutathione is one of the most important antioxidants your body produces, and levels drop as you age, making the idea of a quick boost tempting. Glutathione is an aging related metabolic signature in the mouse kidney Aging Disruption in glutathione metabolism and altered energy production in the liver and kidney after ischemic acute kidney injury in mice Scientific Reports Increase in renal glutathione in cholestatic liver disease is due to a direct effect of bile acids American Journal of Physiology Renal Physiology American Physiological Society