Acetyl L Carnitine 500 mg Acetyl L Carnitine (ALCAR) Supplement for Horses Mad Barn Acetyl L Carnitine Acetyl L Carnitine 500 mg (60 Count) Compounding Pharmacy of America 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 STRONG LIQUID vial 25 ml