Role of carnitine in disease Nutrition & Metabolism Springer Nature Link The Right Way to Take L Carnitine to Boost Your Training L Carnitine Benefits for Fat Burning and How to Use ICONFIT The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link L Carnitine Linus Pauling Institute Oregon State University 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.