Injectable L Carnitine: Does It Really Work for Fat Loss? 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 Fat Burning Shotsbecause pictures speak louder than words! These little shots are packed with powerful benefits: Supports weight management Helps reduce body fat Converts fat into energy Does L Carnitine Work for Fat Loss? A Dietitian Explains