The Importance of the Fatty Acid Transporter L Carnitine in Non Alcoholic Fatty Liver Disease (NAFLD) Metabolism: The carnitine shuttle and fatty acid metabolism (practice) Khan Academy Carnitine Metabolism and Its Role in Fatty Acid Oxidation Creative Proteomics 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. Pyruvate supported flux through medium chain ketothiolase promotes mitochondrial lipid tolerance in cardiac and skeletal muscles: Cell Metabolism Carnitine Molecule of the Month September 2003