Benefits of L carnitine injections are aplenty! This injection is a great way to boost your energy levels, help with weight management, and even promote healthy heart function. Studies show that L CARNITINE Why we chose to bring this injection on it pairs GREAT with our weight loss program, is a stellar stand alone injection, and is absorbed much more effectively as injection. AND, Compounded Carnitine (L) Injection Empower Pharmacy CARNITOR Levocarnitine Injection (L Carnitine) 200 mg mL, Single Dose Vial 5 mL, 5 Tray Feeling low on energy or hitting a plateau in your fitness goals? L Carnitine can help your body convert fat into fuel, supporting higher energy levels, improved endurance, and a faster metabolism.