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 in the Secondary Prevention of Cardiovascular Disease: Systematic Review and Meta analysis Mayo Clinic Proceedings L Carnitine and the Heart: Stephen T. Sinatra, Jan Sinatra: 9780658004124: Amazon.com: Books Role of carnitine in disease Nutrition & Metabolism Springer Nature Link