• Pure Powder
• Protein Metabolism*
• 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.*

Natural color variation may occur in this product.

This product is sold by weight not volume.

NOW^® L-Arginine is pharmaceutical grade.

Mix 2 level teaspoons daily as needed in at least 8 oz. of juice or water, preferably on an empty stomach.

Store in a cool, dry, dark place after opening.

Take this product with at least 8 oz. of water or juice. For adults only. Not for pregnant or nursing women. Consult physician if taking medication (especially antihypertensives, anticoagulants, and antidiabetic drugs), have a medical condition (especially asthma or renal disease) or are planning to have surgery. This product should be avoided by persons with glaucoma or herpes simplex unless otherwise prescribed by a physician. Do not use if you have had a myocardial infarction or have established coronary artery disease. Keep out of reach of children.