Does L Carnitine Work for Fat Loss? A Dietitian Explains 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. Liquid L Carnitine Citrus Swanson Vitamins Adding L Carnitine and Selenium to Methimazole in Graves' Disease: A Prospective Randomized Trial on Thyroid Markers and Quality of Life L Carnitine Benefits Patients with Hypothyroidism Natural Health Research What Is Acetyl L Carnitine Good For? Uses & Benefits