L Carnitine Benefits for Fat Burning and How to Use ICONFIT L Carnitine Powder (Carnipure) Supplements don't replace the workbut they can support it L Carnitine helps your body turn fat into usable energy, so you can push harder and recover better. Consistency first. Supplements second. Results Carnitine Synergy by Designs for Health Is L Carnitine safe for athletes at doses up to 6000 mg day? Consensus L Carnitine Linus Pauling Institute Oregon State University