Study reveals how red meat harms the heart. A species of gut bacteria, more abundant in red meat eaters, is key in turning a dietary nutrient called carnitine into TMAO which promotes blood clotting Carnitine chemical, not fat, may explain link between red meat and heart disease CBS News 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 HealthWise L Carnitine pure amino acid powder