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. Carnitine Supplementation in Chronic Hemodialysis PatientsA Literature Review L carnitine tartrate supplementation in the fight against infectious disease L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe L Carnitine: Benefits, Uses, and Side Effects Lifespan Research Institute