Niacin Inositol Hexanicotinate 500 mg®

Other Combinations

Brand: 21st Century

CapsuleOther CombinationsOn Market
Click to view full label

Net Contents

110 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 40985 27089 9

Product Version

500850-1217N

Label Analysis

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

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1% Daily Value Coverage

1 ingredients report a %DV; 1 meet or exceed 100% DV.

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

  • 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 Capsule(s) · 1 per day

IngredientAmount Per Serving% Daily Value
Niacin(Inositol Hexanicotinate)400 mg2500%
Inositol(Inositol Hexanicotinate)100 mg

Not Present

Other Ingredients

GelatinMagnesium SilicateMagnesium StearateCelluloseContains Less Than 2% of

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Directions: As a vitamin supplement, adults take one (1) capsule daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage.

Warnings & Precautions

Precautions re: All Other

Do not exceed recommended dosage.

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Precautions re: All Other

Stop use and contact a physician if adverse reactions occur.

Precautions re: Children

Keep out of reach of children.

Precautions re: All Other

Do not use if product appears to be tampered with or seal is broken.

Storage

Storage

Store at room temperature.

Formulation

Formulation re: Does NOT Contain

No added Sugar, Yeast, Preservatives, Artificial Flavors or Colors.

Formulation re: Does NOT Contain

Gluten free

Formula re: Contains

Niacin (vitamin B-3) plays a role in energy metabolism. Niacin from Inositol Hexanicotinate is a good source of vitamin B-3 with a lower flushing effect than that of niacin.

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

Vitamin Supplement

Other Label Statements

General Statements: All Other Content

Individual results may vary.

General Statements: All Other Content

Flush free

General Statements: All Other Content

Energy & Circulatory Support

Seals/Symbols

Gluten free

Seals/Symbols

Guaranteed quality Laboratory tested

Manufacturer & Distributor

Manufacturer

21st Century HealthCare, Inc.

2119 S. Wilson St., Tempe, AZ, 85282, USA

Market Reference

$3.95 – $120.78· 30 listings
  • 21st Century Niacin 500 mg Prolonged Release Tablets

    iHerb4.7(313)
    $8.99
  • Cellular Health Support 21st Century Inositol 500 mg

    21st-century-vitamins
    $9.99
  • 21st Century Niacin 500 mg Flush Free Capsules

    OTC Superstore4.8(19)
    $9.53
  • 21st Century Niacinamide 500 mg Prolonged Release Tablets

    21st-century-vitamins4.7(2000)
    $5.49
  • 21st Century Niacin Inositol Hexanicotinate 500 mg 3Pack (110 Capsules) Dietary Supplement Helps Convert

    GoSupps.com4.7(313)
    $94.99
  • BulkSupplements Flush Free Niacin Powder

    Walmart - BulkSupplements.com4.6(10)
    $35.97
  • 21st Century Niacin 100 mg Tablets

    iHerb4.7(1600)
    $5.49
  • Niacin Capsules

    Revitalize Wellness
    $34.99

Where to Buy Locally

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    Vitamin & Supplements Shop

    Online Retail Ltd Box 1031A, Surbiton, Kingston upon Thames KT1 9AH

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    Suite 1000, 405 King's Rd, London SW10 0BB

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    3.0 (2)

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    Office 1, Charge Products, Industrial Estate, Unit 1, 8 Towerfield Rd, Towerfield Cl, Southend-on-Sea SS3 9QE

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    Enterprise Centre, Nutribrand, Pine Grove, Crowborough TN6 1DH

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    Towers Business Park, The, Wheelhouse Rd, Rugeley WS15 1UZ

  • Metagenics UK

    4.6 (203)

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    Botany Business Park, Macclesfield Rd, Whaley Bridge, High Peak SK23 7DQ

Research & Studies

  • Niacin: chemical forms, bioavailability, and health effects

    D MacKay, J Hathcock, E Guarneri - Nutrition reviews, 2012 - academic.oup.com

    … of niacin available in the marketplace include unbound niacin… a period of time; inositol hexanicotinate, six molecules of NA … as a dietary supplement in tablets of 500 mg and 750 mg, NA …

    2012170 citations
  • Niacin: The Real Story

    AW Saul, A Hoffer, HD Foster - 2023 - books.google.com

    … on niacin’s clinical benefits in a number of health conditions. … should cover inositol hexaniacinate as they now cover niacin to … to even a 100 milligrams niacin supplement. We need …

    20237 citations
  • Niacin: The Real Story: Learn about the Wonderful Healing Properties of Niacin

    A Hoffer, AW Saul, HD Foster - 2015 - books.google.com

    … on niacin's clinical benefits in a number of health conditions. … should cover inositol hexaniacinate as they now cover niacin to … close to even a 100 mg niacin supplement. We need …

    201525 citations
  • Wax-matrix extended-release niacin vs inositol hexanicotinate: A comparison of wax-matrix, extended-release niacin to inositol hexanicotinate “no-flush” niacin in …

    JM Keenan - Journal of Clinical Lipidology, 2013 - Elsevier

    … Subjects had to be generally healthy, 18-75 years of age, and not taking any medications or supplements known or suspected to affect lipid levels. Blood lipid levels had to indicate …

    201311 citations
  • A Clinicians Guide to Recommending Common Cholesterol-Lowering Dietary Supplements: JM Backes, DE Hilleman

    JM Backes, DE Hilleman - American Journal of Cardiovascular Drugs, 2024 - Springer

    … to improve cholesterol or cardiovascular health. Omega-3 fatty … by other niacin preparations, and commonly contain inositol … that 1500 mg/day of inositol hexanicotinate had no impact on …

    20243 citations
  • Nonpharmacologic treatment of dyslipidemia

    MC Houston, S Fazio, FH Chilton, DE Wise… - Prog Cardiovasc …, 2009 - academia.edu

    … in using inositol hexaniacinate (IHN) was to make niacin … supplement according to the Dietary Supplement Health and … marketed as a dietary supplement cannot contain an agent that …

    2009150 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: 206779. 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.