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 Can Liposomal Glutathione Support Detoxification and Cellular Energy in Long COVID and ME CFS? RTHM Frontiers Microbial detoxification of mycotoxins in food Frontiers Protective and detoxifying effects conferred by selenium against mycotoxins and livestock viruses: A review Glutathione System from Cyanobacteria to Higher Eukaryotes Encyclopedia MDPI