Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation L Carnitine in Drosophila: A Review De novo L carnitine biosynthesis. (A) Carnitine is synthesised from the Download Scientific Diagram Effect of different levels of L carnitine and lysine methionine on broiler blood parameters