Seeking Health Glutathione Plus Lozenge, 25 mg S Acetyl L Glutathione with Cofactors, Immune and Detoxification Support, Liver Health, Antioxidant and Free Radical Support, Vegetarian (60 lozenges)* Walmart.com 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 Glutathione peroxidase 3 localizes to the epithelial lining fluid and the extracellular matrix in interstitial lung disease Scientific Reports Glutathione attenuates diesel exhaust induced lung epithelial injury via NF B Nrf2 GPX4 mediated ferroptosis ScienceDirect Think You Know Glutathione? Think Again! Metagenics UK Maximizing Your Lung Health with Nebulized Glutathione