NOW ARGININE 500MG CAPS (B9)

**Product Color:**
Off White
* **Conditionally Essential Amino Acid**
* **Nitric Oxide Precursor***

Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production.* It is an important precursor of nitric oxide (NO) and thus plays a role in the dilation of blood vessels.*

The L-Arginine used in this product is pharmaceutical grade.

Natural color variation may occur in this product.