L Carnitine for Fat Loss: Why Most Supplements Fail (and What Actually PEScience L Carnitine doesn't magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and you'll feel the difference @Marybosch shows us how L Carnitine will boost your Didn't another study show carnitine was good for the heart? Some things you try once and forget about and then there are things that actually stick because they WORK. L Carnitine is one of those for me. Here's why It