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 Male Energy Boost Clinic Pasadena CA L Carnitine Shots L Carnitine for Cutting vs Bulking: How It Works in Both Phases L Carnitine Injectable 50ml L Carnitine Real Peptides The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link