Hepatic Carnitine Palmitoyltransferase (CPT) System: Gateway to Fatty Acid Oxidation Long chain fatty acids cannot directly cross the inner mitochondrial membrane. The hepatic carnitine shuttle system, led by CPT I and Euro LC Tablet Uses, Price & Substitutes Palmitoyl DL carnitine chloride, 97%+ (HPLC), C23H46ClNO4, 1 gram NERWIN LC Arrowin Pharmaceuticals L Carnitine L tartrate 500 mg, Methylcobalamin 1500 mcg & Folic Acid 1.5 mg Jan Aushadhi Store Palmitoyl L carnitine induces tau phosphorylation and mitochondrial dysfunction in neuronal cells PLOS One