L carnitine Transports Fat Molecules into the Mitochondria Stock Vector Illustration of isolated, energy: 89260659 Long Chain Acyl Carnitines Encyclopedia MDPI Lipolysis Fatty Acid Oxidation and Ketone Bodies The Medical Biochemistry Page Fatty Acid Beta Oxidation BIOC*2580: Introduction to Biochemistry 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.