L Carnitine: What Is It, When To Take It, and More Knowledge Bioway Organic L carnitine known as the energy nutrients, provides massive benefits to your heart and works best with Alpha Lipoic Acid. Carnitine Wikipedia Levocarnitine, commonly known as L Carnitine, is a naturally occurring compound that the body produces from the amino acids lysine and methionine. It plays a critical role in energy production by transporting fatty