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 plays an important role in the larger metabolism equation: helping your body use fat efficiently as fuel. Learn more about the science on this week's post on The Wellness Edit. Acetyl L Carnitine 500mg Amino Acid Supplement Nature's Best Are L Carnitine and L Carnosine the Same? Anti Aging Systems L Carnitine injection is recommended at 1 ampule every 2 3 days for best results. The L Carnitine is taken intravenously either by normal injection or using a butterfly needle. After taking this L Carnitine, you L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe