Acetyl L Carnitine Arginate 500 mg Combination of Carnitine & L Arginine Benefits 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 L Arginine L Arginine Benefits Natures Best Fertigin L Arginine + L Carnitine + Co Enzyme + Zinc + Lycopene L Carnitine L Tartrate: 8 Key Benefits Dr. Lam