Exploring the Evidence of N Acetyl Cysteine (NAC) for Mood Disorders Psychopharmacology Institute 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 What Are NAD and NAC? MegaFood All About NAC (N acetylcysteine): What it is and what benefits it has Zenement The neuroprotective effects of N acetylcysteine in psychiatric and neurodegenerative disorders: From modulation of glutamatergic transmission to restoration of synaptic plasticity ScienceDirect