At Home Vitamin & Lipotropic Injection Kits Regenics L CARNITINE 1 GM 5 ML ( L CARNITINE ) 5 X 5 ML IV USE AMPOULES L Carnitine Injectable Factor Health MD Injectable L Carnitine How It Works & What to Expect? 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