-. Binding : Health and Beauty -. Brand : NOW -. Feature : L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as DNA synthesis / NOW Foods -. Label : NOW -. Manufacturer : NOW -. PackageQuantity : 1 -. ProductGroup : Health and Beauty -. ProductTypeName : HEALTH_PERSONAL_CARE -. Publisher : NOW -. Studio : NOW -. Title : L-Arginine 1000 mg