The mechanism of acetyl L carnitine on colorectal cancer and its metabolomic study ScienceDirect L Carnitine Injection Products list Products Ceva Australia How To Give A Subcutaneous Injection And Sites The HCG Institute Subcutaneous Injection: What It Is and How to Give One 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