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.
Cardiovascular Support & Blood Vessel Function
Improved blood vessel dilation helps blood flow
Exercise Performance, Recovery & Muscle Health
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Size Reference for Now Foods 1000 mg, 180 Tablets
Available Sizes: 180 Count
















