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 system enhancement for cardiac protection: pharmacological options against oxidative stress and ferroptosis Cell Death & Disease HXN NAC Supplement, N acetyl cysteine, Glutathione for lungs Detox, with Vitamin C Tablet, (99% NAC Supplement) Support Immunity, Respiratory Health Supplements 60 Tablets : Amazon.in: Health & Personal Care Breathe Better, Detox Deeper: The Power of Glutathione + NAC Nebulizer Calibrate Hydration Amazon.com: Bundle of USDA Organic Mullein Drops for Lungs with Marshmallow Root Extract & Plantain Leaf for Respiratory Lung Health and NAC N Acetyl Cysteine 600mg Glutathione Precursor for Liver Cleanse Detox : Glutathione CHEST