Levels of Reduced Glutathione (GSH) in Plasma and Lungs of Control and Download Table Glutathione CHEST Nebulized Glutathione for Lung Diseases and Respiratory Related Conditions Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation NAC is a great supplement. It's awesome stuff to support healthy lungs. NAC is a known mucolytic. That is a fancy term meaning breaking up mucus. Now, research does show that NAC Full article: Role of glutathione in immunity and inflammation in the lung