L Carnitine 250 mg. Windmill Vitamins Acetyl L Carnitine 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 L Carnitine Linus Pauling Institute Oregon State University Understanding the Benefits and Uses of Carnitine in Health and Fitness Fitness Health