Ronnie Coleman Signature Series L Carnitine XS 3000mg Liquid, Orange Smash (31 Servings, 465ml) : Amazon.in: Health & Personal Care L Carnitine is Underrated. New Meta Review Reminds Us Why. The Importance of the Fatty Acid Transporter L Carnitine in Non Alcoholic Fatty Liver Disease (NAFLD) 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. Carnitine transport and fatty acid oxidation ScienceDirect