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 Role of L carnitine in exercise training: Anti inflammatory, antioxidant, and metabolic interactions ScienceDirect L Carnitine Liquid Benefits Explained: A Guide The Science of Good Health L Carnitine L Tartrate: 8 Key Benefits Dr. Lam L Carnitine 1000mg Energy, Metabolism & Fat Burning L Carnitine 3000 Green Apple 16 fl oz (31 Servings)