L-Arginine 500 mg®

Amino Acids & Protein

Brand: Best Naturals

CapsuleAmino acid/ProteinOn Market
Click to view full label

Net Contents

250 Capsule(s)

Serving Size

1–2 Capsule(s)

Servings Per Container

250

Supplement Form

Capsule

Bar Code (UPC/SKU)

8 17716 01066 3

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.

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
  • Egg
  • 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: 1–2 Capsule(s) · 1–3 per day

IngredientAmount Per Serving
L-Arginine Hydrochloride500 mg

Not Present

Other Ingredients

GelatinSilicaVegetable Magnesium Stearate

Target Groups

Adult (18 - 50 Years)Gluten FreeSugar Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, take one (1) to two (2) capsules one to three times daily, preferably with meals or as directed by your qualified healthcare professional

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Precautions re: All Other

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

Precautions re: Children

Keep out of the reach of children.

Precautions re: All Other

Do not use if safety seal is broken or missing.

Storage

Storage

Keep in cool, dry place.

Formulation

Formula re: Contains

L-arginine is a conditionally essential basic amino acid that plays an important role in several important pathways, urea metabolism and excretion, synthesis of proteins, the production of creatine phosphate, DNA synthesis, and the synthesis of nitric oxide, a secondary messenger involved in blood flow. Certain research publications indicate that L-Arginine may help suport the following: Supports cardiovascular system Supports healthy blood circulations

Formulation re: Other

Pharmaceutical grade

Formulation re: Other

3rd party lab tested

Formulation re: Does NOT Contain

No artificial color, flavor or sweetener, no preservatives, no sugar, no starch, no corn, no soy, no egg, no lactose, no gluten, no wheat, no yeast, no fish. Sodium free.

FDA Statements

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.

FDA Statement of Identity

Dietary Supplement

Other Label Statements

Seals/Symbols

Made in USA

Seals/Symbols

GMP Good Manufacturing Practice Product

Manufacturer & Distributor

Distributor

Best Naturals

PO Box 394, Kenilworth, NJ, 07033, USA

1-877-659-6004

Market Reference

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  • Best Naturals L-Arginine NO Booster 1300 mg 120 Vegetarian Capsules

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  • Whole Foods Market L-Arginine 500 Mg 100 Count

    Whole Foods Market
    $9.19

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.

  • GNC

    3.5 (26)

    Vitamin & supplements store

    578 Aviation Mall Rd, Glens Falls North, NY 12804

  • The Vitamin Shoppe

    4.2 (140)

    Vitamin & supplements store

    108 Wolf Rd, Albany, NY 12205

  • Supplement Cartel

    4.8 (26)

    Vitamin & supplements store

    488 Albany Shaker Rd, Albany, NY 12211

  • Holistic Health Marketplace

    5.0 (10)

    Vitamin & supplements store

    402 Rowland St Ste 2, Ballston Spa, NY 12020

  • Daily Fit Vitamins

    Vitamin & supplements store

    1764 US-9 #99, Clifton Park, NY 12065

  • GNC

    3.3 (32)

    Vitamin & supplements store

    3039 NY-50 Ste One, Saratoga Springs, NY 12866

  • Vitamin Center

    4.4 (14)

    Vitamin & supplements store

    568 Columbia Turnpike Suite 16, East Greenbush, NY 12061

  • GNC

    3.6 (61)

    Vitamin & supplements store

    22 Clifton Country Rd, Clifton Park, NY 12065

Research & Studies

  • L-arginine and hypertension

    N Gokce - The Journal of nutrition, 2004 - Elsevier

    Hypertension is a major healthcare problem afflicting nearly 50 million individuals in the United States. Despite its strong causal association with cardiovascular disease complications …

    2004216 citations
  • Dietary supplements for improving nitric-oxide synthesis

    AK Kiani, G Bonetti, MC Medori… - Journal of …, 2022 - pmc.ncbi.nlm.nih.gov

    … as an L-arginine precursor that is further converted to NO by a reaction catalyzed by NO synthase. L-arginine supplements … Since nitric oxide supplementation may worsen certain health …

    202288 citations
  • L-arginine in the management of cardiovascular diseases

    JWM Cheng, SN Balwin - Annals of pharmacotherapy, 2001 - journals.sagepub.com

    … It was concluded that L-arginine is unlikely to protect healthy postmenopausal women from developing atherosclerosis. Suggestions for the lack of effect include a small number of …

    200170 citations
  • Prevention and treatment of erectile dysfunction using lifestyle changes and dietary supplements: what works and what is worthless, part II

    MA Moyad, JH Barada, TF Lue, JP Mulhall… - Urologic …, 2004 - urologic.theclinics.com

    … L-arginine, 1500 mg/d, versus placebo for 2 weeks for men with mixed-type ED. L-arginine … promote the use of zinc supplements for “prostate health” or “sexual health” with little data to …

    200465 citations
  • Evaluation of antihypertensive effect of l-arginine supplementation in patients with mild hypertension assessed with ambulatory blood pressure monitoring

    J Ast, A Jabłecka, P Bogdański, I Smolarek… - Pharmacol …, 2010 - academia.edu

    … Scanty L-arginine studies in hypertension bring inconclusive results. The aim: The aim of … safety profile of L-arginine during four weeks of oral supplementation to healthy subjects and …

    201077 citations
  • L-Arginine supplementation inhibits the growth of breast cancer by enhancing innate and adaptive immune responses mediated by suppression of MDSCs in vivo

    Y Cao, Y Feng, Y Zhang, X Zhu, F Jin - BMC cancer, 2016 - Springer

    … A corroborating study showed that dietary supplementation with L-Arg enhanced T cell mediated immune function in healthy animals and human beings [52, 53]. We also found that L-…

    2016135 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-06-16. DSLD Label ID: 269784. 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.