What is the recommended duration of carnitine (L carnitine) supplementation? Lets talk about L Carnitine, If youre in the gym community, youve probably heard of L Carnitine but what actually is it?, L Carnitine is a naturally occurring compound that plays a role in helping L Carnitine for Erectile Dysfunction: What the Evidence Shows and Practical Considerations L carnitine: what it is, functions & types Marnys 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 Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis