L Carnitine, 500 mg, 30 vegetarian capsules Life Extension L Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage Your body already makes L Carnitine, so why do people take it as a supplement? Because while it helps burn fat for energy, it only works when paired with the right lifestyle., So before you jump on Carnitine: Requirements, food sources, benefits, and risks Sports, L Carnitine Liquid, Tropical Punch, 16 fl oz (473 ml)