LCarnitine Liquid 3000 mg Fast Absorbing Energy Support Muscleology Muscleology Sports Nutrition L Carnitine L Carnitine Supplements in India Fast&Up What is L Carnitine and what does it do? VPA Australia NOW L Carnitine 500mg Capsules 60s Fiddleheads Health and 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