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 Now Foods Acetyl L Carnitine Pure Powder, 3 oz, Vegan Village Green Apothecary Understanding the Benefits and Uses of Carnitine in Health and Fitness Fitness Health The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation