As a precursor to make glutathione, NAC has been used for decades both as an acute medication and as an over the counter supplement. Recently, the line between medication and supplement has been L Glutathione VS NAC: Differences, Similarities, and Uses What is NAC? How can it help me? NAC therapy in Denver Axon Integrative Health LLC Is NAC Better Than Glutathione? A Comprehensive Look at Two Powerful Antioxidants Cymbiotika CYMBIOTIKA