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 has become one of the most commonly asked about supplements over the past 18 months and I can see why when looking at all the research that has come out about it over the last 2ish years., What Is L Carnitine? How Does It Work? L Carnitine 500 mg Supplement Energy and Fat Metabolism Support When to Take L Carnitine for Optimal Training Benefits Transparent Labs