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 Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine New evidence lifts the stakes on the meat vs fish debate Ryan's Grocery Why Ryan's Dry Aged Beef is a "Superfood" for your muscles. We all know dry aged beef tastes incredible, but did you know it's a Instagram