L Carnitine, Amino Acid, Mixed Berry, 3,000 mg, 16 oz (473 ml) 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 Acetyl L Carnitine (500 mg) w Alpha Lipoic Acid (200 mg) Robinson Pharma, Inc. Weight Loss Super Strength Supplements L Carnitine 500mg Amino Acid 2 Bottle