Net Contents
90 Vegetarian Capsule(s)
Serving Size
2 Vegetarian Capsule(s)
Servings Per Container
Not specified
Supplement Form
Capsule
Bar Code (UPC/SKU)
0 68958 02821 7
Product Version
R1
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.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Egg
- Fish
- Shellfish
- Tree Nuts
- Wheat
- Soy
- Gluten
Free From
- Milk
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 2 Vegetarian Capsule(s) · 1–3 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Arginine(L-Arginine Hydrochloride) | 1000 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Usage: 2 capsules 1-3 times per day or as directed by a health professional.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate surgery.
Precautions re: All Other
Do not use if you have had a myocardial infarction or have established coronary and artery disease.
Precautions re: Children
Keep out of the reach of children.
Precautions re: All Other
Sealed for your protection. Do not use if seal is broken.
Storage
Storage
For freshness, store in a cool, dry place.
Formulation
Formulation re: Does NOT Contain
Contains no artificial colors, preservatives, or sweeteners; no dairy, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.
Formulation re: Vegetarian/Vegan
Suitable for vegetarians/vegans.
Formula re: Contains
Free form amino acid
FDA Statements
FDA Disclaimer Statement
This statement has 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
Dietary Supplement
Other Label Statements
Seals/Symbols
isura Non-GMO - Mass spec Documentation - Lab tested
General Statements: All Other Content
L-Arginine is an amino acid that has been shown to support the cardiovascular system and promote vigorous heart function. It is an important factor in muscle metabolism and works to transport, store, and excrete nitrogen. It is required in the formation of nitric oxide (NO) to enhance healthy circulation throughout the body. Natural Factors amino acids are the highest quality pharmaceutical grade products available. Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.
General Statements: All Other Content
Product of Canada. Recyclable container and label.
Seals/Symbols
Purity & potency guaranteed
General Statements: All Other Content
Heart health
General: Product/Version Code
R1
Manufacturer & Distributor
Manufacturer
Natural Factors Canada
Distributor
Natural Factors
14224 167th Avenue SE, Monroe, WA, 98272
Market Reference
Natural Factors L-Arginine
Vitacost.com4.7(515)$16.77Natural Factors L- Tyrosine 1000mg 60 Count
iHerb4.8(1200)$6.97Natural Factors L-Lysine 1000mg 90 Capsules
iHerb4.8(261)$14.67Natural Factors Micronized L-Glutamine
iHerb4.7(1500)$10.47Force Factor L-Arginine Nitric Oxide Supplement
Target4.7(1500)$16.99GNC L-Arginine
GNC4.1(227)$19.99L-Arginine 500 mg 90 Caps
My Nature's Delight$25.99Best Naturals L-Arginine 500mg 250 Capsules
Target4.8(21)$12.99
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.
Prodentim
5.0 (1)Vitamin & Supplements Shop
72 Regent St., London W1B 4EN
Nutrapad Ltd –Pharmacy-friendly, Hydration, Immunity & Wellness Support - oxford street
5.0 (4)Vitamin & Supplements Shop
41 Bloomsbury Way, London WC1A 2SA
Holland & Barrett - Strand
3.7 (51)Vitamin & Supplements Shop
406-408 Strand, London WC2R 0NE
ITL Health
5.0 (37)Vitamin & Supplements Shop
50 Broadway, London SW1H 0BL
Protiv Nutrition
5.0 (1)Vitamin & Supplements Shop
3rd Floor, 207 Regent St., London W1B 3HH
Nutriburst
4.6 (30)Manufacturer
8 Waterloo Pl, London SW1Y 4BN
Minerva Wellness
5.0 (21)Vitamin & Supplements Shop
71-75 Shelton St, London WC2H 9JQ
Arbor Vitamins
5.0 (13)Vitamin & Supplements Shop
128 City Rd, London EC1V 2NX
Research & Studies
L-arginine: its role in human physiology, in some diseases and mainly in viral multiplication as a narrative literature review
MC Pedrazini, EF Martinez, VAB dos Santos… - Future Journal of …, 2024 - Springer
… The purpose of this review is to determine when and why Arg depletion, supplementation, or … Thus, excessive or decreased Arg concentration could impair health condition. High Arg …
202433 citationsRole of L-arginine in nitric oxide synthesis and health in humans
G Wu, CJ Meininger, CJ McNeal, FW Bazer… - … in nutrition and health, 2021 - Springer
… of L-arginine via argininosuccinate synthase (ASS) and argininosuccinate lyase (ASL) in the presence of L-aspartate (Asp). L-arginine … L-citrulline is recycled into L-arginine, and this is …
2021405 citationsAnti-aging effects of L-arginine
MZ Gad - Journal of advanced research, 2010 - Elsevier
l-Arginine is one of the most metabolically versatile amino acids. In addition to its role in the synthesis of nitric oxide, l-arginine … indicated that exogenous l-arginine intake has multiple …
2010179 citationsBeneficial effects of l-arginine on reducing obesity: potential mechanisms and important implications for human health
JR McKnight, MC Satterfield, WS Jobgen, SB Smith… - Amino acids, 2010 - Springer
… for the beneficial effects of l-arginine are likely complex, but … Recent studies indicate that l-arginine supplementation … and fatty acids) Thus, l-arginine holds great promise as a safe and …
2010313 citationsThe pharmacodynamics of L-arginine.
RH Böger - Alternative Therapies in Health & Medicine, 2014 - search.ebscohost.com
… L-Arginine appears to … , L-arginine restores the L-arginine/ADMA ratio to normal and, thereby, normalizes endothelial function. In conclusion, the effects of L-arginine supplementation on …
2014109 citationsExploring the medicinal significance of l-Arginine mediated nitric oxide in preventing health disorders
MO Oyovwi, AD Atere - European Journal of Medicinal Chemistry Reports, 2024 - Elsevier
… importance of l-arginine as a natural antioxidant in preventing human health disorders. A … Studies investigating the antioxidant effects of l-arginine and its potential role in preventing …
202474 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-07-25. DSLD Label ID: 75829. 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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