Chemical formula of N acetyl cysteine and its conversion to glutathione. Download Scientific Diagram Existing and potential therapeutic uses for N acetylcysteine: The need for conversion to intracellular glutathione for antioxidant benefits ScienceDirect The mechanism of action of N acetylcysteine (NAC): The emerging role of H2S and sulfane sulfur species ScienceDirect N ACETYLCYSTEINE (NAC) N Acetyl Cysteine Functions as a Fast Acting Antioxidant by Triggering Intracellular H2S and Sulfane Sulfur Production: Cell Chemical Biology