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Non-returnable due to Food safety reasons
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Availability:
In Stock.
Arrives
Thursday, Oct 29
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At a glance
- Condition
- New
- Size
- 120 Count (Pack of 2)
- Dimensions
- 2.7 x 5.4 x 4.75 in
- Weight
- 1.92 oz
- Item Form
- Tablet
- Diet Type
- Kosher
- Product Benefits
- Muscle Growth
Features 5
- DOUBLE STRENGTH L-ARGININE: NOW offers this non-GMO, double strength L-Arginine supplement in 1,000 mg tablets.
- NITRIC OXIDE PRECURSOR*: Arginine plays an important role in the dilation of blood vessels.*
- CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Kosher, Soy Free
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
- Packaged in the USA by a family owned and operated company since 1968.
Description
NOW L-Arginine comes in extra strength 1,000 mg tablets and is non-GMO. 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. The L-Arginine used in this product is pharmaceutical grade. Natural color variation may occur in this product.
Specs 19
| Product Dimensions | 2.7 x 5.4 x 4.75 inches; 1.92 ounces |
|---|---|
| Manufacturer | Now Foods |
| Brand Name | NOW Foods |
| Primary Supplement Type | Amino Acid |
| Item Form | Tablet |
| Diet Type | Kosher |
| Product Benefits | Muscle Growth |
| Age Range Description | Adult |
| Container Type | Bottle |
| Dosage Form | Tablet |
| UPC | 733739000354 |
| Manufacturer Part Number | 0035 |
| Unit Count | 240 Count |
| Item Weight | 1.92 ounces |
| Item Dimensions | 2.7 x 5.4 x 4.75 inches |
| Number of Items | 2 |
| Flavor | Unflavored |
| Material Features | Vegetarian |
| Specific Uses For Product | Personal |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Oct 29
This item is non-returnable:
Non-returnable due to Food safety reasons
View our full returns policy here.
Non-returnable due to Food safety reasons
View our full returns policy here.
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Top Amazon Reviews
Important for good blood circulation
Size: 250 Count (Pack of 1)
L-Arginine, an amino acid, increased the nitric acid levels. Which results in improved circulation. I found Now to be a good brand.
Reviewed in the United States on March 10, 2026 by TL
Great product
Size: 120 Count (Pack of 2)
Excellent product. This nutrient is very effective and the effects were evident after two weeks
Reviewed in the United States on October 22, 2025 by Amazon Customer
Best deal on quality arginine.
Size: 250 Count (Pack of 1)
These 500 mg capsules are a very good size for ease of swallowing. I swallow 4 at once every morning, along with a Now selenium tablet, and a bioperine capsule. I'm almost through my second bottle and going to order my 3rd. I think these would be a better choice for anyone who finds the 1,000 mg tablets a bit large. I personally do not have a problem swallowing two of the 1,000 mg tablets at one time, but I guess I'm weird. I just prefer the capsules in the 250 count because it is the best price per my desired serving size. Now is a very reputable company and when I look at my supplement shelf there sure are a lot with the dark blue lids and orange labels.
...
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Reviewed in the United States on January 3, 2024 by M Lefty
Great supplement but hard to swallow
Size: 120 Count (Pack of 2)
I take this supplement daily but have always ordered them in capsule form. I wasn't paying attention when I ordered these and accidentally got tablets instead of capsules. They are VERY large and although I can get them down, I will not order these again. If you have trouble swallowing pills, Don't Get Them in Tablet Form.
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Reviewed in the United States on September 16, 2024 by Mommacita
I got mine
Size: 250 Count (Pack of 1)
Very nice
Reviewed in the United States on November 21, 2025 by Rad
Great product
Size: 250 Count (Pack of 1)
Great product, it definitely works. I paid $3.95 in 2022 now it's $10.99 thanks Joe biden. I will definitely buy more when the prices come back down.
Reviewed in the United States on January 5, 2024 by Anthony P
Effective, easy to swallow, value priced
Size: 120 Count (Pack of 3)
My wife takes L-arginine every day to help improve her circulation and says that these NOW Supplements, L-Arginine 1,000 mg, Nitric Oxide Precursor, Amino Acid, 120 Tablets are effective and value priced. She also likes that these are in tablet/caplet form as she finds them easier to swallow than products that come in capsule form.
...
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Reviewed in the United States on May 12, 2021 by David S.
Slight Energy Boost
Size: 120 Count (Pack of 2)
Trying to gain lean muscles and taking this supplement along with L-Carnitine, and other protein shakes. No major difference after I started taking this since I'm already taking a wide range of other supplements. However, I do feel a warmth that goes through the body and head after taking 30 mins and when you begin exercising. So there is definitely an element of blood circulation improvement for those that are seeking cardiovascular health. On the flip side, if you're looking for muscle gaining, the supplement effects might be too minimal.
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Reviewed in the United States on December 1, 2019 by Dee