Smoker lungs aren't a lost cause. NAC and mullein leaf is the stack nobody talks about. NAC thins mucus and bumps glutathione back up. Mullein calms inflamed airways so the morning cough Targeting maladaptive glutathione responses in lung disease ScienceDirect LCS3 is a Glutathione Disulfide Reductase (GSR) and TXNRD1 Inhibitor Network of Cancer Research S Glutathionylation Controlled Apoptosis of Lung Epithelial Cells; Potential Implications for Lung Fibrosis Lung glutathione and oxidative stress: implications in cigarette smoke induced airway disease American Journal of Physiology Lung Cellular and Molecular Physiology American Physiological Society