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 Recommendations. *Conditionally recommend use as a food source, not as Download Scientific Diagram Source Naturals L Carnitine Capsules 500mg, 120 ct Smith's Food and Drug Carnitine plays crucial role in energy production esp for the heart, fueling mitochondria (cell furnaces). Highest food source? Only animal food, especially red meat; lamb and beef are best. (Redder the New Way Red Meats and Eggs Promote Atherosclerosis Food and Health Communications