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 injections for boosted daily energy Best Time to Take L Carnitine: Morning vs Evening for Better Fat Loss & Performance Slim Strength: Enhance Muscle Tone with MIC + L Carnitine injections ME Skin and Wellness at Elizalde Medspa L Carnitine Linus Pauling Institute Oregon State University