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 Short term regulation of the hepatic activities of cytochrome P450 and glutathione S transferase by nose only cigarette smoke exposure in mice ScienceDirect What is Glutathione? What are the Benefits of Glutathione? Glutathione IV Therapy Glutathione Injections IUVENTUS MED