Acetyl L Carnitine: Benefits and Side Effects Gene Food How to Choose the Best L Carnitine Supplement: A Smart Shopper's Guide Life Extension 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 Your body already makes L Carnitine, so why do people take it as a supplement? Because while it helps burn fat for energy, it only works when paired with the right lifestyle., So before you jump on L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis