If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy. The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation l carnitine: Nutrition, pathology, and health benefits ScienceDirect Role of carnitine in disease Nutrition & Metabolism Springer Nature Link Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications