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: What it's used for, benefits and how to take it correctly Justloading What is the best form of L carnitine to take while on a calorie deficit? L Carnitine 500mg mL 10mL AMP Research Amino Blend Amino Acid Injection Olympia Pharmaceuticals