Acetyl L Carnitine Reflex Nutrition L Carnitine is Underrated. New Meta Review Reminds Us Why. Acetyl L Carnitine 500 mg Nature's Trove 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 L Carnitine for Weight Loss: How It Works, Dosage & Best Supplement Zeelab Pharmacy Acetyl L Carnitine Jo Mar Labs