L-Arginine HCl 1500 mg

Amino Acids & Protein

Brand: Nature's Lab

CapsuleAmino acid/ProteinOn Market
Click to view full label

Net Contents

90 Easy-To-Swallow Capsule(s)

Serving Size

2 Capsule(s)

Servings Per Container

45

Supplement Form

Capsule

Bar Code (UPC/SKU)

8 18014 01403 2

Product Version

Item # 14032 Rev. 003

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2Dietary Attributes

Label states: 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

Free From

  • Gluten

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 Capsule(s) · 1 per day

IngredientAmount Per Serving
L-Arginine Hydrochloride1500 mg

Not Present

Other Ingredients

GelatinMagnesium Stearate

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement, take 2 capsules daily with meal or as directed by a qualified healthcare practitioner.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Warnings: Pregnant or lactating women and people with known medical conditions and/or taking drugs should consult with a qualified healthcare practitioner prior to taking dietary supplements.

Precautions re: All Other

Do not use if seal is broken.

Precautions re: Children

Keep out of reach of children.

Precautions re: Allergies

Manufactured in a facility that also processes soy, milk, fish and shellfish.

Storage

Storage

Store in a cool, dry place.

Formulation

Formula re: Contains

L-Arginine is a naturally occurring amino acid vital for a variety of biochemical reactions in the body. L-Arginine is converted in the body into a chemical called nitric oxide. Nitric oxide causes blood vessels to open wider for improved vascular function. L-Arginine is also involved in cell division, muscle protein synthesis, immune and cardiovascular functions, insulin stimulation, and the stimulation and support of many other substances in the body.

Formula re: Contains

L-Arginine HCl 1,500 mg per serving

Formulation re: Does NOT Contain

Free of: Sugar, salt, dairy, eggs, peanuts, tree nuts, fish, shellfish, yeast, wheat, soy, gluten, titanium dioxide, artificial colors and flavors.

Formulation re: Does NOT Contain

Non GMO, Gluten free

FDA Statements

FDA Disclaimer Statement

These statements have not been evaluated by the FDA. 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

Supports vascular health

Manufacturer & Distributor

Distributor

Nature's Lab

6980 W. Warm Springs Road, Suite 100, Las Vegas, NV, 89113

1-888-793-0351

Market Reference

$9.62 – $179.99· 21 listings
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Where to Buy Locally

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Research & Studies

  • Management of inherited disorders of ureagenesis

    M Tuchman, ML Batshaw - The Endocrinologist, 2002 - journals.lww.com

    … Because extravasation can cause severe tissue necrosis caused by the HCl, l-arginine-HCl, which is not approved by the United States Food and Drug Administration, should be …

    200227 citations
  • Assessing the impact of viscosity lowering excipient on liquid-liquid phase separation for high concentration monoclonal antibody solutions

    CR Thorn, D Bhattacharya, L Crawford, V Lin… - Journal of …, 2025 - Elsevier

    … L-arginine hydrochloride is a commonly used viscosity reducing excipient used to influence … Contrary to literature, we observed that slight modifications to L-arginine hydrochloride …

    20254 citations
  • Dimerization of MilM Is Essential for Catalyzing the Pyridoxal-5′-phosphate (PLP)-Dependent Cγ-Hydroxylation of l-Arginine during Mildiomycin Biosynthesis

    S Das, Y Naik, U Mishra, M Ganguly, BN Dubey… - Biochemistry, 2026 - ACS Publications

    2026
  • Time restricted feeding decreases renal innate immune cells and blood pressure in hypertensive mice

    BM Sims, BL Goodlett, ML Allbee, EJ Pickup… - Journal of …, 2022 - journals.lww.com

    … We hypothesized that TRF would decrease renal innate immune cells and lower blood pressure in mice with the nitric oxide synthase inhibitor l-arginine methyl ester hydrochloride (L-…

    202228 citations
  • Get Price Alerts

    AN Casanova–Deals - blog.priceplow.com

    … Unlike standard L-arginine supplementation, which gets metabolized by the liver before entering circulation, Nitrosigine increases blood arginine levels within 30 minutes and maintains …

  • Nitric-oxide supplementation for treatment of long-term complications in argininosuccinic aciduria

    SCS Nagamani, PM Campeau… - The American Journal of …, 2012 - cell.com

    … Argininosuccinate lyase (ASL) is required for the synthesis and channeling of L-arginine to nitric oxide synthase (NOS) for nitric oxide (NO) production. Congenital ASL deficiency …

    2012105 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-09-24. DSLD Label ID: 205256. 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.