Does NAC Help Produce Glutathione? An In Depth Exploration of N Acetylcysteine's Role in Antioxidant Production Cymbiotika CYMBIOTIKA 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 L Glutathione VS NAC: Differences, Similarities, and Uses Best food sources of L Cysteine for NAC production Purovitalis N Acetyl Cysteine (NAC) 1MD Nutrition