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 Glutathione S transferases and their implications in the lung diseases asthma and chronic obstructive pulmonary disease: Early life susceptibility? ScienceDirect Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification Glutathione S transferases and their implications in the lung diseases asthma and chronic obstructive pulmonary disease: Early life susceptibility? ScienceDirect S Glutathionylation Controlled Apoptosis of Lung Epithelial Cells; Potential Implications for Lung Fibrosis