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 L Carnitine: Uses, Benefits, Dosage, and Side Effects StrengthLog Carnitine: Genetic Variants Affecting Mitochondrial Energy and Health Lcarnitine for Fat Loss: Does it Work? Benefits, Warnings