How L Carnitine Helps with Fat Metabolism L Carnitine is an amino acid that supports weight loss as it is a fat burning supplement. L Carnitine Push is a direct and quick IV infusion procedure that can be done on a weekly Page 1 Reviews CosRx, Lip Plump, AHA BHA Vitamin C Lip Plumper, 0.7 oz (20 g) iHerb 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 Acetyl L Carnitine