N Acetylcysteine: An Old Drug With Variable Anti Influenza Properties Semantic Scholar NAcetylcysteine (NAC) is More Than Just an Antidote. NAC replenishes glutathione (GSH), breaks mucus disulfide bonds, and modulates glutamate. That's why it works in the liver, lungs, and brain. Owais NAC MegaFood Acetylcysteine, N acetylcysteine, NAC Drug Molecule. it is an Antioxidant and Glutathione Inducer. Skeletal Chemical Formula Stock Vector Illustration of hydrogen, formula: 309612521