Lets talk about L Carnitine, If youre in the gym community, youve probably heard of L Carnitine but what actually is it?, L Carnitine is a naturally occurring compound that plays a role in helping Best Time to Take L Carnitine: Morning vs Evening for Better Fat Loss & Performance PSN Acetyl L Carnitine Powder Pure Source Nutrition 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 IV Carnitine Therapy Energy Boost & Metabolism Support Minnerva Clinic How to Inject L Carnitine for Weight Loss Safely