Frontiers The Effects of L Carnitine, Acetyl L Carnitine, and Propionyl L Carnitine on Body Mass in Type 2 Diabetes Mellitus Patients 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 Did you know: L Carnitine can be found in two of our weight management recipes. L Carnitine is a vitamin like substance that aids in the utilization of fatty acids for energy and helps normalize Structure of L carnitine and acetyl L carnitine. Download Scientific Diagram Buy L Carnitine Capsules 2050 mg per Serving