When Should You Take L Carnitine? MuscleTech Medium chain fatty acid oxidation is independent of l carnitine in liver and kidney but not in heart and skeletal muscle American Journal of Physiology Gastrointestinal and Liver Physiology American Physiological Society L Carnitine doesnt magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and youll feel the difference @Marybosch shows us how L Carnitine will boost When to Take L Carnitine for Optimal Training Benefits Transparent Labs Acetyl L Carnitine Amazon.com: FRONTLINE FORMULATIONS L Carnitine, Stimulant Free, Enhances Energy and Metabolism, Increased Energy and Endurance, Amazing Flavors, Veteran Owned and Operated (Blue Coconut Lemonade) : Health & Household