Injectable L Carnitine How It Works & What to Expect? Injectable vs Oral L Carnitine: Which Works Better? AWP Carnisure 1 gm Injection 5 x 5 ml Uses, Side Effects, Price Apollo Pharmacy 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 Absolutely OBSESSED with my results from the L carnitine shots!! I feel so much better in myself it's unreal! Why L Carnitine? Burn Stored Fat Prevent Fat Absorption Appetite Suppressant Muscle Recovery Strong AntiOxidant