Does L Carnitine Work for Fat Loss? A Dietitian Explains Acetyl L Carnitine New Roots Herbal Acetyl L Carnitine is more thought of as a fat burner. It's actually powerful tool for athletes looking to improve endurance, energy, and mental performance. Here's how you can integrate it into your routine for The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link Benefits of Acetyl L Carnitine Simply Supplements