Item Long chain fatty acid activation, entry into mitochondria and metabolism via fatty acid oxidation. Public Library of Science Figshare Nutritional and Hormonal Regulation of Citrate and Carnitine Acylcarnitine Transporters: Two Mitochondrial Carriers Involved in Fatty Acid Metabolism The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation Full article: Carnitine: Its Crucial Role in Metabolic Health and Cardiovascular Function