O2 Pure L Carnitine transfers long chain fatty acids, such as triglycerides into mitochondria, where they may be oxidized to produce energy. In other words L Carnitine helps our body to use fat as Role of carnitine in disease Nutrition & Metabolism Springer Nature Link Acetyl L Carnitine 400 mg with Alpha Lipoic Acid 200 mg, 120 Capsules (66088) Puritan's Pride L carnitine, an ally against cellulite? Typology The Importance of the Fatty Acid Transporter L Carnitine in Non Alcoholic Fatty Liver Disease (NAFLD) L Carnitine is Underrated. New Meta Review Reminds Us Why.