Benefits of L Carnitine:, When taken as a supplement, L Carnitine has been shown to have a beneficial impact on weight loss and improved brain function. It has also been linked to improved heart 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 Support your energy & fat metabolism Applied Nutrition L Carnitine 3000 Liquid is designed to help you power through workouts while supporting your body's natural fat burning process. Benefits: L Carnitine Linus Pauling Institute Oregon State University