L Carnitine Linus Pauling Institute Oregon State University Supplements don't replace the workbut they can support it L Carnitine helps your body turn fat into usable energy, so you can push harder and recover better. Consistency first. Supplements second. Results How L Carnitine Helps with Fat Metabolism Lcarnitine for Fat Loss: Does it Work? Benefits, Warnings 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