L carnitine known as the energy nutrients, provides massive benefits to your heart and works best with Alpha Lipoic Acid. What is L Carnitine? L Carnitine is a naturally occurring amino acid derivative that the human body can synthesize itself. It is mainly found in red meat and dairy products. [1] Core Benefits of Does L Carnitine Work for Fat Loss? A Dietitian Explains L Carnitine nutrinature L Carnitine benefits