NAC is a great supplement. It's awesome stuff to support healthy lungs. NAC is a known mucolytic. That is a fancy term meaning breaking up mucus. Now, research does show that NAC DGP: Antioxidants vs. Pro oxidants [Episode 16] Seeking Health Kathleen Ann Cooney Office of the Provost Amazon.com: Seeking Health Glutathione Plus, 100 mg S Acetyl L Glutathione with Cofactors, Immune and Detoxification Support, Liver Health, Antioxidant and Free Radical Support, Vegetarian (60 Capsules) : Health & Household Glutathione with Dr. Ben Lynch & Dr. Holly Lucille Fullscript Webinar Episode: Detox Hacks, Histamine Intolerance, Genes and Toxic Substances in the Environment Dr. Ben Lynch Ask Huberman Lab