JCI Insight Attenuation of lung fibrosis in mice with a clinically relevant inhibitor of glutathione S transferase A role for CFTR in the elevation of glutathione levels in the lung by oral glutathione administration American Journal of Physiology Lung Cellular and Molecular Physiology American Physiological Society Glutathione responsive biodegradable polyurethane nanoparticles for lung cancer treatment ScienceDirect 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