Net Contents
180 Vegetarian Capsule(s)
Serving Size
2 Vegetarian Capsule(s)
Servings Per Container
Not specified
Supplement Form
Capsule
Bar Code (UPC/SKU)
0 68958 02808 8
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 infraction 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)$10.47GNC L-Arginine
GNC4.1(227)$19.99Force Factor L-Arginine Nitric Oxide Supplement
Target4.7(1500)$16.99L-Arginine 500 mg 90 Caps
My Nature's Delight$25.99L-Arginine 500mg with Vitamin B-6 Supports
Zen Supplements$18.99
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.
Arbor Vitamins
5.0 (13)Vitamin & Supplements Shop
128 City Rd, London EC1V 2NX
RightNutri
4.9 (78)Vitamin & Supplements Shop
26 Queenstown Rd, London SW8 3RX
Love Life Supplements
4.8 (87)Vitamin & Supplements Shop
wellington house, East Rd, Petersfield, Cambridge CB1 1BH
ITL Health
5.0 (37)Vitamin & Supplements Shop
50 Broadway, London SW1H 0BL
British Supplements
3.4 (274)Vitamin & Supplements Shop
34, New House, 67-68 Hatton Garden, London EC1N 8JY
London Supplements
3.7 (84)Vitamin & Supplements Shop
13, Waverley Industrial Park Waverley Industrial Estate, Hailsham Dr, Harrow HA1 4TR
Liberty Supplements
4.5 (59)Sports Nutrition Shop
344 High Rd, Wembley HA9 6AZ
LA Muscle UK
4.8 (918)Vitamin & Supplements Shop
Oliver business park, London NW10 7XW
Research & Studies
Effect of L-arginine and selenium added to a hypocaloric diet enriched with legumes on cardiovascular disease risk factors in women with central obesity: a …
R Estakhri, A Ghaffari, A Safaeiyan… - Annals of Nutrition and …, 2012 - academia.edu
… resistance index; the interaction between L-arginine and selenium significantly reduced the … Conclusion: These data indicate the beneficial effects of L-arginine on central obesity, …
201297 citationsVitamin D [sub] 3, L-Arginine, L-Citrulline, and antioxidant supplementation enhances nitric oxide bioavailability and reduces oxidative stress in the vascular …
H Dawoud, T Malinski - Pharmacognosy Research, 2020 - go.gale.com
… One of the main observations in this study is that a mixture of L-arginine, L-citrulline, Vitamin D[sub]3, and antioxidants significantly increases the concentration of bioavailable, …
202024 citationsCombination of exercise training and L-arginine reverses aging process through suppression of oxidative stress, inflammation, and apoptosis in the rat heart
DS Ghazizadeh, S Shirin, Y Bahman… - Pflügers Archiv …, 2020 - search.proquest.com
… Therefore, we evaluated the effects of exercise training and L-arginine supplementation on … L-arginine (orally administered with 150 mg/kg for 12 weeks), and aged exercise + L-arginine …
202055 citationsObservational Study on the Effectiveness of L-Arginine Plus Vitamin C in the Management of Cancer-related Fatigue
V Gebbia, G Scandurra, D Sambataro, R Valenza… - In Vivo, 2026 - iv.iiarjournals.org
… undergoing medical treatment were treated orally with 1.66 g L-arginine and 500 mg of vitamin C bid. Cancer-related fatigue and health-related quality of life were recorded before …
2026The effect of nitric-oxide-related supplements on human performance
R Bescós, A Sureda, JA Tur, A Pons - Sports medicine, 2012 - researchgate.net
… Seven studies have analysed the effect of Larginine supplementation alone.[12-18] Two of these studies were carried out in healthy, but not well trained, males[12,14] and one in healthy…
2012378 citationsL-Arginine
GD AZ, DI Checker, PL Tool - rxlist.com
… Supplementing a feeding tube with L-arginine does not seem to improve immune function, … for up to 10 days reduces stress and anxiety in healthy people and those prone to stress. …
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-08-22. DSLD Label ID: 75789. 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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