NAC vs. Glutathione: Breaking Down the Benefits for Detox, Immunity, and More The mechanism of action of N acetylcysteine (NAC): The emerging role of H2S and sulfane sulfur species ScienceDirect The mechanism of action of N acetylcysteine (NAC): The emerging role of H2S and sulfane sulfur species ScienceDirect N Acetylcysteine and Hydrogen Sulfide in Coronavirus Disease 2019 Arno R. Bourgonje, Annette K. Offringa, Larissa E. van Eijk, Amaal E. Abdulle, Jan Luuk Hillebrands, Peter H.J. van der Voort, Harry van Goor, N Acetyl Cysteine Functions as a Fast Acting Antioxidant by Triggering Intracellular H2S and Sulfane Sulfur Production: Cell Chemical Biology