Acylcarnitine: Structure, Metabolism, Functions, and Advanced Analysis Techniques MetwareBio 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. Improving diagnosis of mitochondrial fatty acid oxidation disorders European Journal of Human Genetics History of L carnitine: Implications for renal disease Journal of Renal Nutrition Role of Carnitine Shuttle System in the Active Transport of Fatty Acyl Coa into the mitochondrial How carnitine transporters boost reproductive health