lCarnitine therapy improves right heart dysfunction through Cpt1dependent fatty acid oxidation Agrawal 2022 Pulmonary Circulation Wiley Online Library 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. Role of carnitine in disease Nutrition & Metabolism Springer Nature Link 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.