Carnitine Rich Foods: Understanding L Carnitine and Its Benefits Loyal L Carnitine For Weight Loss Know Its Benefits And Sources 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 L Carnitine Complex Ingredients: Garcinia Cambogia Green Coffee Bean Extract Cayenne Pepper Fruit Extract Green Tea Leaf Extract Black Pepper Fruit Extract Supports fatty acid metabolism