Revisiting the Role of Carnitine in Heart Disease Through the Lens of the Gut Microbiota L Carnitine Tartrate Pure Prescriptions Plasma l carnitine and risks of cardiovascular events and recurrent stroke after ischemic stroke: A nested case control study Nutrition, Metabolism and Cardiovascular Diseases Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications