Obese Ningxiang pig derived microbiota rewires carnitine metabolism to promote muscle fatty acid deposition in lean DLY pigs: The Innovation New Health Culprit Carnitine Found in Red Meat WSJ 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 Foods Are High in Carnitine? Deficiency Side Effects L carnitine in Food on the Table. Selective Focus Stock Image Image of alanine, background: 327951499