Lean Shots L Carnitine 3000, Sour Candy, 16 fl oz (473 ml) 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 L Carnitine Quality Approved (1) Does anyone recommend any good pre workout L carnitine liquid supplements that gives you a massive pump during workouts and a good energy boost