Meet L Carnitine a naturally occurring amino acid that plays a key role in helping the body convert fat into usable energy. It works by transporting fatty acids into your cells to L Carnitine Tartrate Does It Help Burn Fat? AS IT IS Nutrition Best Time to Take L Carnitine: A Complete Guide The Science of Good Health How to Take L Carnitine Correctly to Boost Your Training Bodybuilding.com L carnitine, creatine and whey protein effective for strength training Why take L Carnitine? L Carnitine helps your body turn fat into fuel making it a go to supplement for fat loss, endurance, and performance. Here's what it can do for you: