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 L Carnitine Linus Pauling Institute Oregon State University Acetyl L Carnitine Mark Hyman, MD Want more energy while supporting fat burn? Let's talk L Carnitine! This week's highlight: L Carnitine A powerful supplement that helps your body turn fat into usable energy supporting weight loss,