Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis What are the symptoms of carnitine (L carnitine) deficiency? Carnitine Supplementation in Chronic Hemodialysis PatientsA Literature Review 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. Understanding L Carnitine Deficiency and Its Side Effects L Carnitine