Subcutaneous Injection: What Is It and How to Give One Ro Injectable L Carnitine 500mg ml (20ml) : Amazon.ca: Health & Personal Care How to Inject L Carnitine for Weight Loss Safely 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 Where to Inject L Carnitine for Maximum Fat Loss Benefits L Carnitine Lipolysis Vials Professional Fat Burning & Body Contouring Mesotherapy SlimSpa SlimSpaOnline