Revisiting the Role of Carnitine in Heart Disease Through the Lens of the Gut Microbiota L Carnitine Liquid Benefits Explained: A Guide The Science of Good Health 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 Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Carnitine: the claims and why it may not work