Three amino acids walk into a bar.the adventures of supporting glutathione synthesis in fatty liver disease using serine & nicotinamide riboside Dr. Kara Fitzgerald The Science Behind S Acetyl Glutathione MakeWell Global Oxidative Stress: Glutathione and Its Potential to Protect Methionine 35 of A Peptide from Oxidation ACS Omega Everyone says NAC can make glutathione. Wrong. Evidence against this is staring right at you. As you can see here, my wife's GCLC gene is genetically slower. Thus, she cannot convert Cysteine