Effect of N Acetylcysteine on Sleep: Impacts of Sex and Time of Day N Acetylcysteine and Probenecid Adjuvant Therapy for Traumatic Brain Injury Neurotherapeutics Springer Nature Link NAC and Glutathione: The Amino Acid the Supplement Industry Is Not Telling You About Everyone says NAC can make glutathione. Wrong. Evidence against this is staring right at you. As you can see here, my wife's GCLC gene is genetically slower. Thus, she cannot convert Cysteine