No Thanks

Your 10% Off Promo Code is on the Way! Thanks for signing up for emails.

You're now signed up to receive exclusive deals and savings opportunities!

Thanks again for connecting with us. Keep an eye on your inbox — your first coupon is on its way!

Thank You! This email address is already signed up

You are signed up for the following:

  • Offers
  • Recipes
  • E-Newsletter
  • Updates & Reminders

Thank you for your interest and be assured that you will continue to receive our emails at this address.

Look for your next communication from us within the next week.

Oops!

We are having trouble processing your request.

Our apologies!

Please try again later.

Search Please enter an item number or keyword
All
Shop by
Category
Do You
Need Help?

NOW Foods

L-Arginine

L-Arginine

Item: NWF322

  • 500 mg of L-Arginine per capsule



  • Conditionally essential amino acid



  • Pharmaceutical grade (USP)



  • Nitric oxide precursor


500 mg 250 Caps

$12.95
MSRP $23.99
Save 46%
Yes! I want free shipping over $50 on my next automatic shipment of this item.  days. Learn more
Quantity
In Stock

Supplement Facts

Serving Size 2 Capsules

Servings Per Container 125

  Amount Per Serving % Daily Value
L-Arginine (Free-Form) 1 g (1,000 mg) *

* Daily Value not established.

Other ingredients: Gelatin (capsule), Magnesium Stearate (vegetable source) and Silica.

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

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.

Natural color variation may occur in this product.

Store in a cool, dry place after opening.

  • 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.
  • GMP QUALITY ASSURED
  • Non-GMO
  • Recyclable Bottle.

Shipping Weight

.49 lbs

  • 500 mg of L-Arginine per capsule



  • Conditionally essential amino acid



  • Pharmaceutical grade (USP)



  • Nitric oxide precursor


Arginine plays an important role in cell division, the healing of wounds, removing ammonia from the body, immune function, and the release of hormones. Now Foods L-Arginine provides 1,000 mg of L-Arginine per serving size. L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as DNA synthesis.

NOW Foods L-Arginine Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

L-Arginine is rated 5.0 out of 5 by 4.
Rated 5 out of 5 by from Great Quality I have been paying top dollar for this supplement locally….No to need to over pay
Date published: 2013-12-15
Rated 5 out of 5 by from good I feel better after I try this.Specially, when I get up, I feel good.
Date published: 2013-04-20
  • y_2017, m_11, d_23, h_20
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.3
  • cp_1, bvpage1
  • co_hasreviews, tv_2, tr_2
  • loc_en_US, sid_NWF322, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=FEATURED, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_swansonhealth
Swanson Quality Assurance

Why Shop Swanson®?

We know how important your health is to you and your loved ones. That’s why we’re focused on delivering only high quality products you can trust at the best value.

Our lab evaluates every product to make sure it’s compliant with strict standards and government regulations, and we fully believe in and stand behind our products. If you’re dissatisfied for any reason, we’ll give you a full refund and pay return shipping.

Swanson's Standards

We are dedicated to offering the highest quality products at the best price. Find out more about how we ensure such a high standard in everything we do.

Learn More

500 mg 250 Caps

500 mg 100 Caps

Customer Service
About Swanson
T M

Easy Refill

  • Get your favorite products delivered automatically
  • 10% off future orders of Swanson brand products in your subscription
  • FREE standard shipping on all future orders over $50
  • Control the frequency, delivery date, item quantity... or cancel at any time
  • Email reminders before each delivery
See all FAQs here