If you're putting in the work but the scale isn't moving, your body might just need a little help tapping into its fat stores. That's where L Carnitine comes in. It's not a Didn't another study show carnitine was good for the heart? 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 Does L Carnitine Work Without Dieting? Benefits, Fat Loss & Results Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis