You need L Carnitine and Sugar together for 2 reasons L Carnitine Muscle Building Energy ATP L Carnitine Benefits for Fat Burning and How to Use ICONFIT I get asked so many questions about my pre workout combo, so here it is! I take Oxyshred + Acetyl L Carnitine. This combo gives me the energy I need to crush my workouts 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