L Carnitine Benefits for Fat Burning and How to Use ICONFIT Acetyl L Carnitine vs L Carnitine: 4 Key Differences Momentous GNC Acetyl L Carnitine alpha Lipoic Acid 500 mg 200 mg GNC 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 When To Take L Carnitine to Maximise Your Shredding and Beyond BSc Supplements Acetyl L Carnitine