14 Health Benefits of NAC (N Acetylcysteine) Not all supplements work the same. Some just add. Some activate. NAC is your body's antioxidant switchfueling glutathione, calming the brain, and supporting immunity. This is how real health works. From the NAC vs Glutathione: Which Antioxidant Is Right for You? Momentous The mechanism of action of N acetylcysteine (NAC): The emerging role of H2S and sulfane sulfur species ScienceDirect Individuals with MTHFR mutations and slow COMT activity can generally take N acetylcysteine (NAC) and glutathione, but there are some important considerations: ## N Acetylcysteine (NAC) * **Benefits**: NAC supports the production of glutathione,