L-Arginine 500 mg | GNC

Now® L-Arginine 500 mg


Item # 230548
Note: This product cannot be sold in Canada

Product Information



L-Arginine 500 mg 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 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.*


Nutrition Facts
Serving Size  2 Capsule(s)
Servings Per Container  125

Amount Per Serving     % DV

L-Arginine (Free-Form)  500 mg   **

** Daily Value (DV) not established.
Other Ingredients
Gelatin (capsule), Magnesium Stearate (vegetable source) , Silica
Label (click image to enlarge)

How To Use

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

Do Not Eat Freshness Packet. Keep in Bottle.

Store in a cool, dry place after opening.
395 S. Glen Ellyn Rd.
Bloomingdale, IL 60108


3.5 / 5.0
2 Reviews
5 Stars
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1 Star
It helps. Takes a couple of weeks...
October 6, 2017
1 year ago
It seems to do as advertised.
I use this in conjunction with New Vigor. Initial impressions aee it seems to be effective.
September 20, 2017
1 year ago
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Is this the product I saw in a magazine article promoting fat burning capabilities report by Mayo Clinic?
A shopper on Feb 26, 2015
BEST ANSWER: Yes. L-arginine was found by the Mayo Clinic to promote fat burning capabilities along with many other health benefits.