L Carnitine Uses & Benefits Explained: A Complete Guide The Science of Good Health L Carnitine, Methylcobalamin & Folic Acid Tablets Manufacturer Supplier and PCD Pharma Franchise 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: The Energy Booster Your Body Loves Turn fat into fuel and power up your recovery with one of our favorite performance vitamins. Boosts metabolism & fat burning