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 The reason some people stay sick despite treatment often comes down to one molecule. Glutathione is the most abundant antioxidant inside your cells. It protects mitochondria, recycles other antioxidants, and repairs Liposomal Glutathione 100ml CytoMatrix Bodycrafters Mold and Mycotoxin Illness: Its Connection to ME CFS, MCAS, and Chronic Symptoms RTHM