Mold detox like never before Should You Pick NAC or Glutathione? The Truth Inside Abigail King, MS, CNS Functional Nutritionist If there's one supplement I always keep stocked, it's NAC (N acetylcysteine). It doesn't get as much hype as some trendy supplements, but Instagram NAC [N AcetylCysteine] is a precursor of Glutathione. PICTURE: Glutathione is made from three amino acids and cysteine is one of them Liposomal Glutathione Antioxidant & Detox Support Alight Health Formulas