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 1 GM 5 ML ( L CARNITINE ) 5 X 5 ML IV USE AMPOULES CARNITOR (levocarnitine) Injection 1 g per 5 mL vial For Intravenous Use Only. NKF KDOQI Guidelines L Carnitine Injections Plasma TC concentration over the course of 5 h of iv saline (E) and Download Scientific Diagram