L Carnitine. The unsung hero to support workout and recovery, supports heart health, and metabolism. Understanding the Benefits and Uses of Carnitine in Health and Fitness Fitness Health 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 Get the most out of your wellness journey with the L Carnitine Injections!