L Carnitine and Creatine are both game changers for fitness, but they each shine in different ways! SAVE this as your quick guide! L Carnitine, found in red meat, fish, and chicken, supports fat What is L Carnitine? L Carnitine is a naturally occurring amino acid derivative that the human body can synthesize itself. It is mainly found in red meat and dairy products. [1] Core Benefits of What is Carnitine? Carnitine: the claims and why it may not work