L carnitine is an amino acid derivative that plays a crucial role in the bodys energy production processes. As an injectable supplement, L carnitine has been employed to support various health 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 Mean SEM free L carnitine levels in serum (A) and heart (B) from rat Download Scientific Diagram L Carnitine Injection Levocarnitine IV Product Spotlight! L Carnitine injections infusions and the benefits thereof! How to Inject L Carnitine for Weight Loss Safely