L Carnitine, 500 mg, 60 Vegetarian Capsules Boost your workout performance and recovery with RC King L Carnitine XS 4000. A powerful L Carnitine formula designed to support fat metabolism, energy, and endurance during training. 4000mg L Carnitine Levocarnitine Tablets (330 mg) Levocarnitine Oral Solution (1 g 10 mL multiple unit container) Levocarnitine Oral Solution (Sugar Free) (1 g 10 mL multiple unit container) For oral use only. Not for parenteral use. Kevin Levrone Gold Line L Carnitine 1000 mg