The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation L Carnitine: Uses, Benefits, Dosage, and Side Effects StrengthLog Role of Carnitine in Non alcoholic Fatty Liver Disease and Other Related Diseases: An Update. Abstract Europe PMC 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 Activation and Transportation of Fatty Acids to the Mitochondria via the Carnitine Shuttle with Animation Animations PharmaXChange.info Figure 1. [The carnitine shuttle]. GeneReviews NCBI Bookshelf