When Should You Take L Carnitine? MuscleTech This combo is. L Carnitine helps your body use fat as fuel Creatine fuels strength, power, and performance A stronger, more efficient body! Educational purposes only. Not medical advice. Christine L Carnitine With Creatine Safe ? Can We Take L Carnitine With Creatine Creatine vs L Carnitine: Which Supplement Fits Your Goals? This combo is. L Carnitine helps your body use fat as fuel Creatine fuels strength, power, and performance A stronger, more efficient body! Educational purposes only. Not medical advice. Christine