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 Thermogenic supplement with Acetyl L Carnitine and BioPerine ALC 1000 90cps Acetyl L Carnitine Capsules (500mg) Alcar Bulk Nutrients Doctor's Best Acetyl L Carnitine, 1000 mg Per Serving, 120 Veggie Caps L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe