Acetyl L Carnitine: Boost Focus & Cellular Energy Pro Hormones Acetyl L Carnitine and Erectile Dysfunction 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 L Carnitine Linus Pauling Institute Oregon State University Acetyl L Carnitine, 500 mg, 120 Vegetarian Capsules