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. Semaglutide With B12 For Weight Loss Seattle & Tacoma L Carnitine Benefits: A Complete Research Based Guide What are the benefits of carnitine? Ask Huberman Lab 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 L Carnitine: Uses, Side Effects, Interactions, Dosage and Supplements