Wait until you see what N acetyl cysteine (NAC) can do! Free radical protection* Maintains cellular health* A sulfur containing amino acid* Promotes production of glutathione* *These statements have not 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 NAC Supplement for Glutathione Boost and Liver Support N acetylcysteine Clinical Applications Cureus N.A.C. N Acetylcysteine Vitazan Professional N AcetylL Cysteine 600 mg Capsules (NAC) Natural Factors USA