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 Amazon.com: Nutricost Acetyl L Carnitine (ALCAR) 500mg, 180 Capsules, 180 Servings Non GMO and Gluten Free, 1 Capsule per Serving : Everything Else Acetyl L Carnitine VS L Carnitine: Which is Better? L Carnitine vs Acetyl L Carnitine: Key Differences Acetyl L Carnitine: Benefits and Side Effects Gene Food Acetyl L Carnitine Olympian Labs