Mechanism of Action of N Acetylcysteine N Acetyl L Cysteine (NAC) Superior Supplement Products Science First Designs for Health Acetylcysteine, N acetylcysteine, NAC drug molecule. It is an antioxidant and glutathione inducer. Skeletal chemical formula on the dark blue backgrou Stock Photo Alamy NAC [N AcetylCysteine]** N AcetylCysteine [NAC] is not only a precursor for helping the body make more GLUTATHIONE [the body's most important antioxidant] but NAC is an anti inflammatory in its own right. When I Comprehensive metabolome analyses reveal N acetylcysteine responsive accumulation of kynurenine in systemic lupus erythematosus: implications for activation of the mechanistic target of rapamycin Metabolomics Springer Nature Link