Does L Carnitine burn fat?, Not on its own., It can support fat being used as fuel, but only when youre actually moving.If your week is inconsistent (training, steps, sleep, food) no supplement L CARNITINE Fat Loss Liquid Fat Burner and Metabolism Activator (1500mg) L Carnitine Injections for Fat Loss Benefits & Uses L Carnitine Facts Boosts Energy Helps your body convert stored fat into usable energy, making it great before workouts or for an afternoon pick me up. Supports Fat Burning Works with