Name: d Dietary Supplements #1 by Number One Award 2021!Product L-ARGININE 500 mg L-Arginine 500 mg Optimally Dosed Amino Acid L-arginine is a conditionally essential amino acid involved in various physiological processes. As a result of the metabolism of L-arginine in our body, nitric oxide is formed, the discovery of the beneficial properties of which was awarded the Nobel Prize in Medicine in 1998. Being a precursor of nitric oxide, taking L-arginine leads to vasodilation, helping to maintain the tone of the vascular wall, and therefore is used in the complex therapy of cardiovascular diseases, in particular hypertension. Solgar uses only the bioactive free form (isomer) of L-arginine in its products. Product facts: Form: Capsules; Dosage: 500 mg; Pack size: 500 mg.