L-Arginine 400 mgnone
Amino Acids & ProteinBrand: Signature Supplements
Net Contents
100 Capsule(s)
Serving Size
1–2 Capsule(s)
Servings Per Container
50
Supplement Form
Capsule
Bar Code (UPC/SKU)
Not specified
Product Version
Not Present
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: Gluten-Free.
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: 1–2 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Arginine | 800 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: For adults, take one (1) to two (2) capsules daily, preferably with a meal.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Pregnant or lactating women should consult a doctor before using any product. Consult doctor before use if you have, or have had, kidney disease or if you are taking any medications or remedies such as those to treat high blood pressure, heart medications, muscle relaxants or diuretics.
Precautions re: All Other
Discontinue use and consult your doctor if any adverse reactions occur, such as gastrointestinal discomfort or low blood pressure.
Precautions re: Children
Not intended for use by persons under the age of 18.
Storage
Storage
Store in a dry place and avoid excessive heat.
Formulation
Formulation re: Does NOT Contain
No: Chemical Fillers or Binders, Artificial coloring, artificial flavor, preservatives, yeast, corn, milk or milk derivatives, lactose, salt, sodium, soy, sugar, gluten, starch or wheat.
Formulation re: Other
From a GMP Facility
Formulation re: Other
Precursor of Nitric Oxide Time release
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
General Statements: All Other Content
Use by: 12/15/2026 www.yoursignaturesupplements.com
Manufacturer & Distributor
Distributor
Signature Supplements
P.O. Box 1112, San Clemente, CA
Market Reference
Bodybuilding Signature No2 Nitric Oxide 60 Capsules L-argini Magnesium
eBay$14.99LowestSnap L Arginine Capsules
GNC4.7(6)$26.99L-Arginine Powder
BulkSupplements.com4.6(1700)$153.97Green Line Nutritheke Arginin 400 mg Kapseln
apohealth.de$24.89Nitric Oxide Booster - Extra Strength L-arginine Capsules For Energy
eBay - purplebuk$45.59
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.
The Vitamin Shoppe
4.4 (103)Vitamin & supplements store
2100 88th St F4, North Bergen, NJ 07047
GNC
4.2 (77)Vitamin & supplements store
52-10 Bergenline Ave, West New York, NJ 07093
Be Vitamin Health Food Store
5.0 (27)Health food store
4500 Bergenline Ave # A, Union City, NJ 07087
Aminocu – Supplement Mağazası
4.9 (70)Vitamin & supplements store
Şehitler cad. Barboros hayrettin paşa mah. 1997.Sok Aminocu Shop Beypalas, 34515 Esenyurt/İstanbul, Türkiye
GNC
4.4 (92)Vitamin & supplements store
753 Broadway Spc 753, New York, NY 10003
Proteinci
4.9 (38)Vitamin & supplements store
Siyavuşpaşa, Çamlık Cd. No:2, 34182 Bahçelievler/İstanbul, Türkiye
The Vitamin Shoppe
4.5 (139)Vitamin & supplements store
130 NJ-17 Suite 14, East Rutherford, NJ 07073
Bodystore.nl Supplements
4.7 (105)Vitamin & supplements store
Vogt 19, 6422 RK Heerlen, Netherlands
Research & Studies
Metabolic Regulation of Immune Responses to Mycobacterium tuberculosis: A Spotlight on L-Arginine and L-Tryptophan Metabolism
RR Crowther, JE Qualls - Frontiers in immunology, 2021 - frontiersin.org
… Specifically, we discuss L-arginine and L-tryptophan, focusing on their requirements, regulatory roles, and potential use as adjunctive therapy in TB patients. By continuing to uncover …
202144 citationsRole of l-arginine in the prevention of pre eclampsia in high-risk pregnancies
N Taj - The Professional Medical Journal, 2021 - academia.edu
… studies that evaluated the efficacy of L-arginine for preventing PE and … The results revealed that L-arginine was more effective in … Our findings revealed that L-arginine supplementation …
20216 citationsPlasma metabolome analysis suggests that L-arginine supplementation affects microbial activity resulting in a decrease in trimethylamine N-oxide—A …
L Dimina, M Tremblay-Franco, A Deveaux… - Current Developments …, 2023 - Elsevier
Background The effects of supplementation with L-arginine (L-arg), the precursor of nitric oxide (NO), on vascular and cardiometabolic health have largely been explored. Whether other …
20234 citationsEssence of Chicken Supplementation Alters Brain and Blood Metabolite Signatures in Sleep-Deprived Mice
Y Long, Z Wang, X Hu, S Wang, L Zheng, Z Fu, Y Ni - Metabolites, 2025 - mdpi.com
… levels of L-arginine following EC supplementation, which serves … suggest that the elevated L-arginine may potentiate cAMP … In addition, we found that EC supplementation resulted in a …
2025A Translational Randomized Trial of Perioperative Arginine Immunonutrition on Natural Killer Cell Function in Colorectal Cancer Surgery Patients: L. Angka et al.
L Angka, AB Martel, J Ng, A Pecarskie, M Sadiq… - Annals of Surgical …, 2022 - Springer
… More recently, findings have shown that T cells adapt metabolically to changes in L-arginine concentrations, and that elevated L-arginine enhances T cell survivability and maintains …
202225 citationsL-arginine metabolism in breast cancer: mechanisms and therapeutic targets
A Röglin, R Böger, J Hannemann - Frontiers in Oncology, 2026 - frontiersin.org
… L-arginine metabolism has been explored by three main approaches: L-arginine starvation, L-arginine supplementation… of current knowledge on L-arginine metabolism in breast cancer, …
2026
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-09-25. DSLD Label ID: 338803. 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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