Frontiers L carnitine attenuated hyperuricemia associated left ventricular remodeling through ameliorating cardiomyocytic lipid deposition 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 is Underrated. New Meta Review Reminds Us Why. Carnitine Memorial Sloan Kettering Cancer Center