L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion as well as DNA synthesis.* NOW® Foods, located in Bloomingdale, Illinois is a leading manufacturer of many award-winning products in a complete line of over 1800 vitamins, minerals and dietary supplements. They have been serving health-conscious consumers with quality and value since 1968.
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NOW (Natural-Organic-Wholesome) has been manufacturing quality natural supplements for over 35 years.