L Carnitine Injection: Maximize Fat Burning, Energy & Metabolism Injectable carnitine in 2 minutes., What it is, How it works, Why some athletes use it, Most people focus on add ons before mastering the basics. Nutrition quality, total calories, training, and sleep Compounded Carnitine (L) Injection Empower Pharmacy 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,