NOW Supplements L-Arginine comes in extra strength 1,000 mg tablets and is non-GMO. 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.
- Double strength L-Arginine supplement in 1,000 mg tablets
- Non-GMO and Kosher certified
- Nitric oxide precursor for blood vessel dilation
- Supports vascular health
- Packaged in the USA by a family-owned company