L Carnitine L Tartrate: 8 Key Benefits Dr. Lam Coenzyme Q10 200mg CoQ10 with ALA and ALCAR Nature's Lab Acetyl L carnitine, ALCAR or ALC, is an acetylated form of L carnitine. It is naturally produced by the human body, and it is available as a dietary s Stock Photo Alamy 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