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 Acetyl L Carnitine Reliance Vitamin Creatine & Acetyl L Carnitine Energy Plus, 0.51 lb Life Extension Spring Valley Acetyl L Carnitine HCI 400 mg + Alpha Lipoic Acid 200 mg Capsules, 50 Count HSA FSA Eligible Walmart.com Acetyl L Carnitine 250 mg Hypoallergenic