Acetyl L Carnitine, 500 mg, 120 Vegetarian Capsules The Vet's Scoop This week's highlight: Acetyl L Carnitine Acetyl L Carnitine supports normal energy metabolism by helping direct glucose into active energy pathways within muscle tissue rather than storage. It also plays Acetyl L Carnitine Mark Hyman, MD 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