Carnitine and Mental Health: Exploring Its Role, Benefits, and Risks in Neuropsychiatric Disorders A Revolutionary Breakthrough in Understanding Mental Health and Improving Treatment for Anxiety, Depression, OCD, PTSD, and More 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 Does Carnitine from Red Meat Cause Heart Disease? Diagnosis Diet Beef a Large Source of L Carnitine BBQ (password: buddha) Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine