Should I Take Acetyl L Carnitine or L Carnitine HealthAid Acetyl L Carnitine 400 mg with Alpha Lipoic Acid 200 mg, 120 Capsules (66088) Puritan's Pride Acetyl L Carnitine: A Supplement to Protect Muscle and Brain Gowing Life Understanding the Difference Between L Carnitine and Acetyl L Carnitine Weight Wise Weight Loss Center 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 Creatine & Acetyl L Carnitine Energy Plus, 0.51 lb Life Extension