L-Arginine 500 mg®

Amino Acids & Protein

Brand: Sundown Naturals

CapsuleAmino acid/ProteinOff Market
Click to view full label

Net Contents

90 Capsule(s)

Serving Size

1–6 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

0 30768 03446 7

Product Version

Prod. No. 44841 05E B90 CAZ

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.

1Dietary Attributes

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.

Allergen Guide

Free From

  • Milk
  • Fish
  • Wheat
  • Soy
  • 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: 1–6 Capsule(s) · 1 per day

IngredientAmount Per Serving
L-Arginine500 mg

Not Present

Other Ingredients

GelatinVegetable Magnesium StearateSilica

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

DIRECTIONS: FOR ADULTS, TAKE ONE (1) TO SIX (6) CAPSULES DAILY, PREFERABLY WITH A MEAL. As a reminder, discuss the supplements and medications you take with your health care providers.

Warnings & Precautions

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN.

Precautions re: Pregnant or Nursing or Prescription Medications

WARNING: If you are pregnant, nursing or taking any medications, consult your doctor before use.

Precautions re: All Other

Discontinue use and consult your doctor if any adverse reactions occur.

Precautions re: All Other

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

Storage

Storage

STORE IN A DRY PLACE AND AVOID EXCESSIVE HEAT.

Formulation

Formulation re: Does NOT Contain

No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish.

Formulation re: Does NOT Contain

Sodium Free.

FDA Statements

FDA Statement of Identity

DIETARY SUPPLEMENT

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.

Other Label Statements

Brand IP Statement(s) re: (c), (TM), (SM)

2010

General: Product/Version Code

Prod. No. 44841 05E B90 CAZ

General Statements: All Other Content

Promotes Heart & Immune Health* Promotes the Effects of Exercise*

General Statements: All Other Content

Smart Facts L-Arginine is one of 20 amino acids, the building blocks of protein and is popular with body-builders and fitness enthusiasts.* L-Arginine can serve as an energy precursor and is one of the most important amino acids involved in heart and immune function.*.

Seals/Symbols

GUARANTEED QUALITY LABORATORY TESTED

Seals/Symbols

PLEASE RECYCLE

Manufacturer & Distributor

Other

Manufacturer

Rexall Sundown, Inc.

Boca Raton, FL, 33487, USA

Other

1-888-848-2435

Market Reference

$5.56 – $59.70· 6 listings
  • Sundown L-Arginine 500 mg, 90 Capsules

    GoSupps.com4.3(30)
    $39.99
  • L-Arginine 500 mg 90 Caps

    My Nature's Delight
    $25.99
  • L-Arginine 500mg Hardgel Nitric Oxide Booster

    eBay - healthymood2015
    $19.65
  • Bluebonnet L-Arginine 500 Mg

    Walmart - Euro Pharm5.0(1)
    $23.95
  • Nitric Oxide & Circulation Booster | L-arginine, L-citrulline | Extra

    eBay
    $59.70
  • Healthy Mood L-Arginine 500mg Gym 60 Capsules

    eBay - healthymood2015
    $5.56Lowest

Where to Buy Locally

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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 …

    202431 citations
  • Role 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

    … L-arginine is oxidized by NO synthase (NOS) to form NO and … The NOS-derived L-citrulline is recycled into L-arginine, and … Some reports indicated that oral Arg supplementation did not …

    2021395 citations
  • Low-dose l-arginine administration increases microperfusion of hindlimb muscle without affecting blood pressure in rats

    F Ohta, T Takagi, H Sato, LJ Ignarro - … of the National Academy of Sciences, 2007 - pnas.org

    … on healthy subjects indicated that l-arginine supplementation … of l-arginine, provided greater vasodilation than l-arginine … benefit of supplementation of l-arginine in healthy subjects. …

    200743 citations
  • … and citrulline: Is there a basis for development of a beverage to promote endurance performance? A narrative review of orally administered supplements

    H Speer, NM D'cunha, MJ Davies, AJ McKune… - Beverages, 2020 - mdpi.com

    … ’s motivation for supplement use is mainly attributable to the proposed health benefits, such as … to form L-arginine. Step 2. L-arginine is released systemically into blood vessels. Step 3. …

    202025 citations
  • Earl Mindell's Supplement Bible: A Comprehensive Guide to Hundreds of NEW Natural Products that Will Help You Live Longer, Look Better, Stay Heathier …

    E Mindell - 2002 - books.google.com

    … L-arginine also has important medical uses. For instance, it is used in hospitals to promote wound healing in patients after surgery, and for those suffering from severe burns. According …

    200210 citations
  • The effectiveness of L-arginine in clinical conditions associated with hypoxia

    N Kurhaluk - International journal of molecular sciences, 2023 - mdpi.com

    … effects of L-arginine supplementation on VO 2 max in healthy … that these supplements might increase VO 2 max in healthy … use of L-citrulline, L-arginine, or Beetroot juice supplements as …

    202359 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-02-23. DSLD Label ID: 5835. 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.