Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get Liquid L Carnitine 5000mg Fat Burner, Convert Fat to Energy VitaminMall Parker Naturals Concentrated L Carnitine Liquid, 5000mg All Natural Ci Parker Naturals Top L Carnitine Supplements GNC L Carnitine, 60 Veg Capsules (500 mg per Capsule)