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, Human cytosolic glutathione transferases: structure, function, and drug discovery: Trends in Pharmacological Sciences Pi class glutathione S transferase: regulation and function ScienceDirect Oxidative stress and the role of redox signalling in chronic kidney disease Nature Reviews Nephrology Biological Databases and Tools Glutathione Metabolism in H. sapiens Protein Lounge