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Now Double Strength L-Arginine

Brand: Now Sports

SKU# nowag5-0031-grpd

Now Double Strength L-Arginine

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Conditionally Essential Basic Amino for DNA Synthesis, Nitric Oxide Precursor!

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1000mg/120 Tablets





Essential Basic Amino for DNA Synthesis!


L-Arginine is a popular amino acid for its amazing nitrogen retention ability. Nitrogen as you are all aware is one of the key elements in muscle protein synthesis. Some plants can absorb nitrogen, but we mammals have to make do with the stuff we make ourselves. Arginine is mostly present in protanines and histones, two proteins commonly associated with nucleic acids (like DNA and RNA). So far its main use was for newborns to excite new growth, because at a young age its difficult to manufacture enough. It enhances the immune system , stimulates the size and activity of the Thymus gland (responsible for the fames T-cells) which makes it a prime choice for anyone in a condition that is less than optimal for health.


Note: Manufacturers continually change product specifications. While we try our best to keep product descriptions up to date, they do not necessarily reflect the latest information available from the manufacturer. We are not responsible for incorrect or outdated product descriptions and/or images.

FDA: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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Nutrition Facts

Supplement Facts

Serving Size: 1 Tablet
Servings Per Container: 120

Amount Per Serving:
L-Arginine (from L-Arginine HCl) 1g (1,000 mg)

Other Ingredients: Cellulose, Stearic Acid (vegetable source), Croscarmellose Sodium, Silica, and Vegetarian Coating.


Directions: As a dietary supplement, take 1 tablet 1-3 times daily as needed, between meals or at bedtime with a carbohydrate drink to facilitate absorption.

Contains no sugar, starch, yeast, wheat, gluten, corn, soy, or milk.


Now Double Strength L-Arginine Reviews

10 Item(s)

per page
  • works


    I feel like I shouldn't say this because I'm afraid it will get banned, but when paired with L-Carnatine, this does work. I take one, 3 times a day. I feel a pump just sitting at my desk at work. When I work out, my skin feels like it is gonna peel open. LOve this product, will be re-ordering for a long time.

    Review by David (Posted on 7/14/2018) DISCLAIMER. Individual results may vary.

  • Best bang for the buck, period!


    Best NO supplement on the market, price and pump can't beat it.

    Review by Old skool lifter (Posted on 11/16/2017) DISCLAIMER. Individual results may vary.

  • Great combination for a man to feel good


    I use this in combination with the Men's Virility Power. My mood has been enhanced. I feel stronger. There is no cure for my disabilities but it's nice to feel more like a man again.

    Review by Sugarbear Jim (Posted on 1/23/2013) DISCLAIMER. Individual results may vary.

  • This product is a winner in my book


    This supplement provides quality and quanitity. This product will give you a serious pump and increase blood flow is important for the transportation of nutrient to the muscle and waster products out of the muscle. However if you are implementing a poor diet you will not recognize a significant change in your physiqye strenght or performance. Supplements are desgin to enhance a diet not make up t

    Review by Swole (Posted on 4/28/2012) DISCLAIMER. Individual results may vary.

  • great product


    the way to take arginine. all the hype products contain arginine as the main ingredientbut throw in a bunch of nonsense ingredients to up the price. why pay 30.00 or more when u can get this and it works just the same. great vasodialator and a great longevity supplment.increase n.o. in the system.

    Review by teetsao (Posted on 2/9/2012) DISCLAIMER. Individual results may vary.

  • effective affordable n.o. product


    cost affordable and highly effective n.o. product. arginine is the ingredient that makes n.o. products workall the other stuff is just hype and xtra cost.

    Review by teetsao (Posted on 2/9/2012) DISCLAIMER. Individual results may vary.

  • great product


    service and delivery great.

    Review by Thomas the trai (Posted on 10/24/2011) DISCLAIMER. Individual results may vary.

  • good stuff


    i took 14 pills before my workout (7gm). achieved great pumps. can't go wrong for the price!

    Review by assbeater (Posted on 4/8/2011) DISCLAIMER. Individual results may vary.

  • Excellence product for blood pressure


    Lowered blood pressure 10-15 points.

    Review by dave (Posted on 2/25/2011) DISCLAIMER. Individual results may vary.

  • Great Price


    I take three of these along with a NOS drink thirty minutes prior to training and by the time we train I am ready to tear down the gym... The pumps are great and the price for this product can't be beaten...

    Review by billbo72 (Posted on 5/18/2010) DISCLAIMER. Individual results may vary.

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