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: Benefits, Side Effects, And Dosage, Per Dietitians l carnitine: Nutrition, pathology, and health benefits ScienceDirect L Carnitine Uses & Benefits Explained: A Complete Guide The Science of Good Health Herbiotics L Carnitine (400 Mg) 30 Capsules