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 Photoacoustic imaging of elevated glutathione in models of lung cancer for companion diagnostic applications Nature Chemistry The Glutathione Synthesis Gene Gclm Modulates Amphiphilic Polymer Coated CdSe ZnS Quantum DotInduced Lung Inflammation in Mice PLOS One Glutathione peroxidase 3 localizes to the epithelial lining fluid and the extracellular matrix in interstitial lung disease Scientific Reports Glutathione S transferases and their implications in the lung diseases asthma and chronic obstructive pulmonary disease: Early life susceptibility? ScienceDirect