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 Supplement Allergy Research Group Acetyl L Carnitine Biotics Research Simple Truth Alpha Lipoic Acid & Acetyl L Carnitine HCl Capsules, 60 ct Smith's Food and Drug Thermogenic supplement with Acetyl L Carnitine and BioPerine ALC 1000 90cps