NAC and Glycine: The Efficient Way to Raise Glutathione Effects of N acetylcysteine, oral glutathione (GSH) and a novel sublingual form of GSH on oxidative stress markers: A comparative crossover study. ScienceDirect Glutathione biosynthetic scheme. N acetyl L cysteine (NAC) can supply Download Scientific Diagram 5 Antidote: NAC (N acetylcysteine) NAC replenishes glutathione, restoring the ability to detoxify NAPQI. It's lifesaving if given early. Example: Hospitals use NAC as the standard treatment for APAP overdose. N Acetylcysteine: An Old Drug With Variable Anti Influenza Properties Semantic Scholar