How carnitine transporters boost reproductive health 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. Nutritional and Hormonal Regulation of Citrate and Carnitine Acylcarnitine Transporters: Two Mitochondrial Carriers Involved in Fatty Acid Metabolism