Nuroforge LC Dr.Kingly Pharmaceuticals L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Carnitine supplementation improves metabolic flexibility and skeletal muscle acetylcarnitine formation in volunteers with impaired glucose tolerance: A randomised controlled trial eBioMedicine 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