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 it if you have had a myocardial infarction or have established coronary artery disease. Keep out of reach of children.