NOW – Arginine 500mg (250 Caps)

NOW – Arginine 500mg (250 Caps)

White and orange bottle with purple cap of NOW L-Arginine 500 mg Amino Acid contains 250 capsules

NOW – Arginine 500mg (250 Caps)

$35.99 $26.99

In stock

$35.99 $26.99

  • Non-GMO
  • A Dietary Supplement
  • Amino Acids
  • Family Owned Since 1968
  • GMP Quality Assured


Amino Acid

  • Conditionally Essential Amino Acid
  • Nitric Oxide Precursor

L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as 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.

Suggested Use

Take 2 capsules twice daily as needed. Take between meals or at bedtime with a carbohydrate drink to facilitate absorption.

Other Ingredients

Gelatin (capsule), magnesium stearate (vegetable source) and silica.

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

The L-Arginine used in this product is Pharmaceutical Grade.

Natural color variation may occur in this product.


Store in a cool, dry place after opening.

Please recycle.

Caution: For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. This supplement 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.



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5 reviews for NOW – Arginine 500mg (250 Caps)

  1. 5 out of 5

    Blake Goodwin (verified owner)

    fast shipping

  2. 5 out of 5

    Addie Pope (verified owner)

    arrived fast

  3. 5 out of 5

    Roy Gross (verified owner)

    Best brand ever

  4. 5 out of 5

    May Matthews (verified owner)

    Best brand ever

  5. 5 out of 5

    Sophia Drake (verified owner)

    defiantly will re order

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