If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. L Carnitine Benefits, Sources, and Side Effects L Carnitine Tartrate Pure Prescriptions Does L Carnitine Work for Fat Loss? A Dietitian Explains L Carnitine Advanced Orthomolecular Research Inc. Canada Did you miss this article on John Meadows' www.mountaindogdiet.com ? Dancing with the Devil: L Carnitine (TLDR: L Carnitine might a actually be counteracting your fat loss by *blocking* thyroid action. More is not