I started taking 2 NAC capsules about a month ago and my morning ritual of coughing up mucus for a half hour has almost stopped completely. As I write this, I’m thinking of this morning. I literally forgot about not having to clear my upper chest and throat area of mucus.
PubMed officially recognizes the scientific validity of NAC studies and trials for mucus clearance issues:
https://pubmed.ncbi.nlm.nih.gov/3893512/
Doctors have been using inhaled N-acetyl-L-cysteine to reduce mucus since the 1960s.<sup>23</sup> It breaks down mucus secretions, making them less dense and sticky:
https://www.lifeextension.com/magazine/2020/ss/protect-your-respiratory-system