Figure 1. [The carnitine shuttle]. GeneReviews NCBI Bookshelf The Carnitine Shuttle Cytosol Mitochondrial Fatty Acid Transport Comprehensive review of the expanding roles of the carnitine pool in metabolic physiology: beyond fatty acid oxidation Journal of Translational Medicine Springer Nature Link The Importance of the Fatty Acid Transporter L Carnitine in Non Alcoholic Fatty Liver Disease (NAFLD) Fatty acid transportation mechanism in cell, starting with the activation of fatty acid by carnitine palmitoyl transferase 1 to acyl coA, which now attaches itself with the translocase to be transported across L carnitine helps transport fatty acids to produce energy