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 Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe When to take L carnitine: Dosage, forms, and side effects Amazon.com: Life Extension L Carnitine 500 mg, Energy Supplement, Memory Supplement Free Form Amino Acid, Nitric Oxide Support, Healthy Blood Pressure Gluten Free, Non GMO, Vegetarian 30 Capsules : Health & Household L Carnitine Benefits: A Complete Research Based Guide L Carnitine injection is recommended at 1 ampule every 2 3 days for best results. The L Carnitine is taken intravenously either by normal injection or using a butterfly needle. After taking this L Carnitine, you