L Carnitine Injections: Before and After Results The effect of l carnitine supplementation on mortality and clinical outcomes in ventilator dependent critically ill patients with obesity and COVID 19: Protocol for a randomized double blind placebo controlled trial ScienceDirect L Carnitine Injection Home Delivered Injectable vs Oral L Carnitine: Which Works Better? AWP L carnitine benefits, uses & dosage: A complete guide 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