what-is-immunocal As listed in the Compendium of Pharmaceuticals and Specialties (CPS)   Immunocal® Whey protein isolate Glutathione Precursor Immunotec NPN(s): 80004370   Pharmacology IMMUNOCAL is a natural source of the glutathione precursor cysteine for the maintenance of a strong immune system. It is fatfree and contains less than 1% lactose and has a high protein … Continuar leyendo What is Immunocal?