Transtympanic injection of a liposomal gel loaded with N acetyl L cysteine: A relevant strategy to prevent damage induced by cochlear implantation in guinea pigs? ScienceDirect N Acetyl cysteine (NAC) raises glutathione content in EAAC1 Download Scientific Diagram Glutathione Vs NAC: Which is Best for Skin? As I mention in my book, N acetyl cysteine (NAC) is not found in food sources, but in the body, it converts into cysteine. NAC acts as a precursor to glutathione, a powerful The Central Nervous System Modulatory Activities of N Acetylcysteine: A Synthesis of Two Decades of Evidence