The benefits and Side Effects of Carnitine and CoQ10 Supplementation f L Carnitine is Underrated. New Meta Review Reminds Us Why. 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 Levocarnitine Tablets (330 mg) Levocarnitine Oral Solution (1 g 10 mL multiple unit container) Levocarnitine Oral Solution (Sugar Free) (1 g 10 mL multiple unit container) For oral use only. Not for parenteral use. Acetylcarnitine Wikipedia L Carnitine Benefits for Fat Burning and How to Use ICONFIT