Dr. Kyle Gillett Levocarnitine (commonly referred to as L carnitine), a two amino acid protein (dipeptide) made up by lysine and methionine. It is Instagram 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 Potential Lysine Benefits and How to Incorporate It L Carnitine 3000, Berry Blast, 15.72 fl oz (465 ml)