Carnitine Wikipedia L Carnitine synthetic No, = 98 6645 46 1 L carnitine helps transport fatty acids into the mitochondria, where they are used to produce energy, supporting fat metabolism and overall energy levels. 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 CARNITOR Levocarnitine Injection (L Carnitine) 200 mg mL, Single Dose Vial 5 mL, 5 Tray McGuff