L Carnitine Injection Levocarnitine IV L Carnitine Linus Pauling Institute Oregon State University LEVOCARNITINE INJECTION, USP1 g per 5 mL vial and 4 g per 20 mL vialFOR INTRAVENOUS USE ONLYRx Only Injectable l carnitine has 100% bioavailability and its a supplement, not steroid., Even as a natty you can use and it can also help you in your bulking process, not just in fat loss. , ., Baaki if Levocarnitine Injection: Package Insert Prescribing Info