Carnitine Shuttle an overview ScienceDirect Topics Carnitine transport and fatty acid oxidation ScienceDirect The Importance of the Fatty Acid Transporter L Carnitine in Non Alcoholic Fatty Liver Disease (NAFLD) Frontiers Carnitine Palmitoyltransferase System: A New Target for Anti Inflammatory and Anticancer Therapy? L Carnitine helps shuttle fatty acids into the mitochondria (the power plants of your cells) where they can be burned for energy. It's often used in fat metabolism and energy support formulas.