L Carnitine is Underrated. New Meta Review Reminds Us Why. Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis 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 Carnitine its Benefits Source and Side Effects Role in Weight Loss Fat Burner L Carnitine doesnt magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and youll feel the difference @Marybosch shows us how L Carnitine will boost L Carnitine for Weight Loss: Does It Really Work? Benefits, Dosage & Results