L Carnitine is Underrated. New Meta Review Reminds Us Why. 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 Role of carnitine in disease Nutrition & Metabolism Springer Nature Link L Carnitine: Does It Really Help With Fat Loss? Supplement Store Lebanon Best Supplements in Beirut Scitec Nutrition Lebanon Medium chain fatty acid oxidation is independent of l carnitine in liver and kidney but not in heart and skeletal muscle American Journal of Physiology Gastrointestinal and Liver Physiology American Physiological Society