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 Dietary Carnitine and Carnosine Increase Body Lean in Healthy Cats in a Preliminary Study 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 Zinc L Carnosine: Benefits, Dosage, and Safety