L-Arginine 500 by Nutricost
Nutricost L-Arginine tablets are 1000mg in size, pharmaceutical grade, and non-GMO. Arginine is a conditionally required basic amino acid that is involved in urea metabolism and excretion, as well as DNA synthesis and protein formation. It is also a precursor of nitric oxide (NO). It is essential in the dilatation of blood arteries.