L Carnitine For Weight Loss: 10 Key Benefits, Diet Plan, Dosage Carnitine: the claims and why it may not work 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 and Which Foods Have It? Grazia USA L carnitine containing Food. Groups of Healthy Products Containing Vitamins and Minerals Stock Vector Illustration of mineral, salmon: 263509440 When to Take L Carnitine for Weight Loss & Maximize Results