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 Melissa Afflerbach Let's talk about NAC (aka the underrated glow from within supplement) If you've never heard of NAC (N acetyl cysteine), it's one of those Instagram NAC vs. Glutathione for Detox The Absorption Company Effects of N acetylcysteine, oral glutathione (GSH) and a novel sublingual form of GSH on oxidative stress markers: A comparative crossover study. ScienceDirect Glutathione vs. NAC: Which Antioxidant Is Best for Your Liver? Life Extension NAD vs Glutathione: Key Differences and Benefits Explained Goldman