What are the symptoms of carnitine (L carnitine) deficiency? Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications L Carnitine: The Energy Booster Your Body Loves Turn fat into fuel and power up your recovery with one of our favorite performance vitamins. Boosts metabolism & fat burning Understanding the Role of Carnitine in TPN and IDPN Therapy Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis