Yes, L Carnitine works best once you take it before exercising and when you have calories to burn., But, it works just as well when you take it before sleeping., Get yours now! , L Carnitine Liquid When Should You Take L Carnitine? MuscleTech Why Take Carnitine? NOW Foods L Carnitine Benefits for Fat Burning and How to Use ICONFIT L Carnitine for fat loss and diet IronMaxx IronMaxx Nutrition Should you eat before taking your supplement? The short answer is: it depends! While some supps serve your body better on an empty stomach, others settle best alongside food. Our