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. The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation Carnitine Biosynthesis Pathway The role of L carnitine in fatty acid metabolism in mitochondria (Wang Download Scientific Diagram Frontiers Carnitine Traffic in Cells. Link With Cancer