Carnitine Molecule of the Month September 2003 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 role of L carnitine in fatty acid metabolism in mitochondria (Wang Download Scientific Diagram Carnitine shuttle system and beta oxidation of fatty acids 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.