L Carnitine Vitamin Supplement for Energy and Metabolism Boost Windmill L Carnitine 250 mg 50 Capsules : Target L Carnitine Swanson Vitamins 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 L Carnitine, 250 mg, 60 Veg Capsules L Carnitine Liquid Benefits Explained: A Guide The Science of Good Health