Double Strength L-Arginine 1000 mg®
Amino Acids & ProteinBrand: NOW
Functions
Net Contents
120 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
120
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
7 33739 00035 4
Product Version
CODE 0035E V17
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Vegan, Vegetarian, Non-GMO, Gluten-Free, Halal, Kosher.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Supplement Facts
Serving Size: 1 Tablet(s) · 2 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Arginine | 1 Gram(s) | — |
| L-Arginine Hydrochloride | 1250 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Usage: Take 1 tablet twice daily as needed. Take between meals or at bedtime with at least 8 oz. of water or juice to facilitate absorption.
Warnings & Precautions
Precautions re: All Other
Caution: Take this product with at least 8 oz. of water or juice.
Precautions re: Children
For adults only. Keep out of reach of children.
Precautions re: Pregnant or Nursing or Prescription Medications
Not for pregnant or nursing women. Consult physician if taking medication (especially antihypertensives, anticoagulants, and antidiabetic drugs), have a medical condition (especially asthma or renal disease) or are planning to have surgery.
Precautions re: All Other
This product 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.
Precautions re: Allergies
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Storage
Storage
Store in a cool, dry place after opening.
Formulation
Formula re: Contains
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.
Formula re: Type
Crescent H (Halal)
Formula re: Contains
Amino acid Conditionally essential amino acid Nitric oxide precursor
Formulation re: Does NOT Contain
Non-GMO
Formulation re: Vegetarian/Vegan
Vegan/Vegetarian
Formula re: Kosher
Triangle K (Kosher)
Formulation re: Other
Made and quality tested in the USA with globally sourced ingredients.
Formulation re: Does NOT Contain
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or sesame ingredients.
Formula re: Contains
This product has twice the L-Arginine (1,000 mg per tablet) as in our regular strength product (500 mg per capsule). The L-Arginine used in this product is pharmaceutical grade.
Formulation re: Other
Natural color variation may occur in this product.
FDA Statements
FDA Disclaimer Statement
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.
FDA Statement of Identity
A Dietary Supplement
Other Label Statements
Seals/Symbols
Crescent H (Halal) GMP Quality Assured
Seals/Symbols
Triangle K (Kosher)
General Statements: All Other Content
Amino Acids Family owned since 1968.
General Statements: All Other Content
This bottle is made from 100% PCR (post-consumer recycled) resin.
Manufacturer & Distributor
Distributor
NOW FOODS
395 S. Glen Ellyn Rd., Bloomingdale, IL, 60108, USA
Market Reference
Now L-Arginine
iHerb4.7(9800)$11.01Now Foods L-Arginine Double Strength 1000 mg 180 Tablets
iHerb4.8(306)$24.49NOW L-Arginine Double Strength 1000 mg Tablets
The Food Mill4.8(306)$17.99(2 pack) L-Arginine 1000 mg, Double Strength - 60 Tablets, Size: 4.40
Walmart - Fruitful Yield4.8(306)$26.24Now Foods L-Arginine 1000 Mg - 240 Tablets (2 x 120 Tablet Bottles) TWINPACK
DPS Nutrition4.7(9800)$29.98(2 pack) NOW Supplements, L-Arginine 1,000 mg, Nitric Oxide Precursor*, Amino Acid, 120 Tablets, White
Walmart - Fruitful Yield4.7(9800)$36.64NOWFoods. Now Foods Double Strength L-Arginine
Silkrute4.9(11)$56.10(2 pack) NOW Foods Sports, L-Arginine, 1,000 mg, 180 Tablets, Size: 6.20
Walmart - Fruitful Yield4.7(9800)$45.32
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
GNC
4.1 (32)Vitamin & supplements store
2603 Wolflin Vlg, Amarillo, TX 79109
Advanced Body Foods
5.0 (63)Vitamin & supplements store
4722 S Western St Ste C, Amarillo, TX 79109
Complete Health
4.9 (78)Vitamin & supplements store
3350 S Soncy Rd Unit 180, Amarillo, TX 79121
5 Star Nutrition Amarillo
4.9 (240)Vitamin & supplements store
3240 S Soncy Rd Ste 500, Amarillo, TX 79124
Innovative Nutrition
5.0 (53)Vitamin & supplements store
7401 SW 45th Ave #3, Amarillo, TX 79119
Vitamins Plus
4.5 (2)Health food store
4210 SW 45th Ave, Amarillo, TX 79109
Fountain Of Health Inc
4.1 (30)Health food store
4151 SW 34th Ave, Amarillo, TX 79109
Healthkyk Nutrition & Energy
4.8 (47)Sports nutrition store
2805 Wolflin Ave, Amarillo, TX 79101
Research & Studies
The effects of nutritional supplementation for children and adolescents with sickle cell disease: A systematic review and meta-analyses
BC Orsi, D Gorski, NE Krul, A Wiens, M Brito, F Tonin… - 2025 - repositorio.ipl.pt
… of SCD is increasing and now affects an estimated 20 million … In our study, Larginine 100 mg led to significant reduction on … Vitamin D supplementation improves health-related quality …
20255 citationsL-arginine is essential for pancreatic b-cell functional integrity, metabolism and defense from inflammatory challenge
MS Krause, NH McClenaghan, PR Flatt… - 2011 - arrow.tudublin.ie
… L-arginine supplementation in Zucker diabetic fatty rats, resulted in powerful activation of HO-3, AMPK and PGC-1a (PPARg coactivator 1a), which would be expected to increase …
2011109 citationsContinuous L-arginine infusion does not deteriorate the haemodynamic condition in patients with severe sepsis
Y Luiking, M Poeze, M Hendrikx, P Breedveld… - Critical Care, 2006 - Springer
… Up to now, no method is available for separate determination of inspiratory and expiratory … We report on the experience with ECMO in our medical ICU, a tertiary centre. Patients ECMO …
20062 citationsGet Price Alerts
AN Casanova–Deals - blog.priceplow.com
… , a large 1000mg horny goat weed extract (now standardized to 30… Unlike standard L-arginine supplementation, which gets … a team of supplement industry veterans that include medical …
Perioperative nutritional optimization in total joint arthroplasty: from screening to supplementation
A Siddiqi, KM Yousuf, AF Chen, P Jacobs… - The Journal of …, 2026 - Elsevier
… L-arginine, and L-glutamine supplementation demonstrated a suppressive effect on muscle strength … evidence from broader surgical and medical contexts indicates that oral magnesium …
20262 citationsEnhanced Stability and Transdermal Delivery of Semaglutide Using an L-Arginine Based Dissolving Microneedle System
P Panchal, S Daware, Y Guo, G Mao, B Billack… - AAPS …, 2026 - Springer
… fat accumulation that poses a health risk. Visceral fat is the … The detailed procedures are described in the supplementary … SMG, a leading GLP-1 agonist, is now available in both oral …
2026
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2024-06-20. DSLD Label ID: 314282. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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