Acetyl L Carnitine Superior Supplement Products Science First Designs for Health Acetyl L Carnitine 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 (ALCAR) Supplement for Horses Mad Barn Acetyl L Carnitine Acetyl L Carnitine 500 mg