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 containing food. Groups of healthy products containing vitamins and minerals. Set of fruits, vegetables, meats, fish and dairy Stock Vector Image & Art Alamy Liquid L Carnitine 3500MG Boost Your Energy Naturally Ripped Up Nutrition Carnitine, Carnitine, Carnitine: Can you get enough from food sources? Keto Hope Foundation