Effect of Glutathione on Lung Activator Protein 1 Activation and Heme Oxygenase 1 Induction in the Immature Rat Pediatric Research The Rockefeller University Mitochondrial antioxidant found to drive breast cancer metastasis 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 Amazon.com: Powerful Lung Detox & Cleanse Mullein, Chlorophyll, Zinc Respiratory Support with Glutathione for Smokers & Vapors Easy Breathing by NDCO : Health & Household HXN NAC Supplement, N acetyl cysteine, Glutathione for lungs Detox, with Vitamin C Tablet, (99% NAC Supplement) Support Immunity, Respiratory Health Supplements 60 Tablets : Amazon.in: Health & Personal Care