Full article: Perioperative N acetylcysteine: evidence and indications 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 NAC vs Glutathione: Differences, Similarities And Health Benefits NAC vs. Glutathione and How They Work Invigor Medical