L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians L Carnitine500, 500 mg, 120 Capsules 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 L Carnitine 500 Optimum Nutrition Weight Loss L Carnitine 500mg by Lifeplan starting at 14.49 60 Capsules L Carnitine is an amino acid, needed for protein synthesis, which can be produced by the body. As the body cannot produce