Glutathione Precursor, N Acetyl Cysteine, Improves Mismatch Negativity in Schizophrenia Patients Neuropsychopharmacology N Acetyl Cysteine (NAC) is a powerful antioxidant that supports the body's natural detoxification and anti inflammatory pathways. It works primarily by increasing glutathione, one of the body's most important protective molecules against oxidative Glutathione vs. NAC: Which Antioxidant Is Best for Your Liver? Life Extension The Super Antioxidants: Glutathione And NAC OC Integrative Medicine