Niacinamide 500 mg®

Vitamins

Brand: Rugby

Tablet or PillVitaminOn Market

Functions

Energy & Metabolism

Product label for Niacinamide 500 mg — Click to view full label

Net Contents

100 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

Not specified

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

8 80681 01900 9

Product Version

Rev. 12/19 R-29 Re-order No. 370739 14063-12-19

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.

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

Contains

Milk

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 Tablet(s) · 1 per day

Ingredient	Amount Per Serving	% Daily Value
Niacin(Niacinamide)	500 mg	3125%

Not Present

Other Ingredients

Microcrystalline CelluloseLactoseStearic AcidTalcCroscarmellose SodiumSilica

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Directions: Adults only: One tablet daily, as a dietary supplement, or as directed by a physician.

Warnings & Precautions

Precautions re: All Other

Tamper resistant - Do not use if imprinted safety seal under cap is broken or missing

Precautions re: Allergies

Contains milk. Warnings: Do not use this product if you have a known sensitivity or allergy to niacinamide.

Precautions re: All Other

Use only under the advice and supervision of a physician if you have any of the following conditions: gallbladder disease or a history of jaundice or liver disease, diabetes, gout or peptic ulcer. Abnormal liver function test have been reported in persons taking daily doses of 500 mg or more of niacinamide.

Precautions re: Children

Keep out of reach of children.

Storage

To preserve quality and freshness, keep bottle tightly closed. Store between 15 degrees - 30 degrees Celsius (59 degrees - 86 degrees Fahrenheit).

Formulation

Formulation re: Does NOT Contain

Free of sodium, soy, gluten, preservatives, yeast, corn, artificial colors and flavors.

FDA Statements

FDA Statement of Identity

Dietary Supplement

Other Label Statements

General Statements: All Other Content

Questions or comments? 1-800-645-2158 www.rugbylaboratories.com

Manufacturer & Distributor

Distributor

Rugby Laboratories

17177 N Laurel Park Drive, Suite 233, Livonia, MI, 48152

1-800-645-2158

Market Reference

$5.27 – $331.00· 40 listings

Rugby Niacinamide 500mg Tablets 100 ct
Walmart - Vitabox4.6(7)
$10.15
Major Pharmaceuticals Rugby 500-mg Niacinamide Dietary Supplement
MFI Medical
$16.33
Rugby Niacinamide 500mg Tablets 100ct 3 Pack
Preferred Medical Plus4.6(7)
$18.53
Rugby Niacin 500 mg 1000 Tablets
Walmart - Vitabox4.8(79)
$28.84
DAILY NUTRITION SUPPORT - Rugby's Niacinamide dietary supplement provides essential nutrients helping to support daily nutrition and wellness for
Preferred Medical Plus
$8.53
Rugby 500-mg Niacinamide Dietary Supplement #80681001900
G&L Medical Equipment and Supplies
$6.79
Rugby Niacin Release
Walmart - myREVCO5.0(1)
$15.58
Nature's Bounty Flush Free Niacin 500 mg
Blain's Farm & Fleet4.7(126)
$20.99

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
5.0 (10)
Vitamin & supplements store
67 Newtown Rd, Danbury, CT 06810
Directions (203) 312-1003
The Vitamin Shoppe
4.3 (100)
Vitamin & supplements store
21 Federal Rd, Brookfield, CT 06804
Directions (203) 775-3103
The Vitamin Shoppe
4.4 (61)
Vitamin & supplements store
2183 Black Rock Tpke, Fairfield, CT 06825
Directions (203) 335-0581
The Vitamin Shoppe
4.7 (65)
Vitamin & supplements store
1003 High Ridge Rd, Stamford, CT 06905
Directions (203) 609-0147
The Vitamin Shoppe
4.0 (95)
Vitamin & supplements store
565 Connecticut Ave, Norwalk, CT 06854
Directions (203) 866-6837
The Vitamin Shoppe
4.5 (140)
Vitamin & supplements store
1260-1270 Boston Post Rd, Milford, CT 06460
Directions (203) 882-9231

Research & Studies

Varying cost and free nicotinic acid content in over-the-counter niacin preparations for dyslipidemia
CD Meyers, MC Carr, S Park… - Annals of internal …, 2003 - acpjournals.org
… Niacin is classified as a dietary supplement, and therefore the … We purchased 16 niacin preparations from health food stores … -release niacin [Rugby], which comes in scored 500-mg …
200394 citations
Effect of niacin monotherapy on high density lipoprotein composition and function
SM Gordon, MJ Amar, K Jeiran, M Stagliano… - Lipids in Health and …, 2020 - Springer
… Health … supplement Rugby® Extended Release Niacin (250 mg/tablet). An initial two week run-in period was used to slowly increase the dose from 500 mg/day up to the target 2000 mg/…
202029 citations
Evaluating the release of different commercial orally modified niacin formulations in vitro
C Chbib, MA Rashid, SM Shah, M Kazi, MN Uddin - Polymers, 2023 - mdpi.com
… as a dietary supplement that follows the Dietary Supplement Health and Education Act of … Rugby Laboratories, the release pattern was not aligned with its release definition. The 500 mg …
20236 citations
Evaluation of In-Vitro Release of Different Commercial Oral Modified Niacin Formulations Intended to Reduce Cutaneous Flushing and Hepatotoxicity Adverse Events
MA Rashid, SM Shah, MN Uddin, M Kazi… - Available at SSRN … - papers.ssrn.com
… which follows the Dietary Supplement Health and Education Act … niacin brands such as IR (250 mg), ER (500 mg), 123 … In the Brand B, manufactured by Rugby laboratories, the release …
The efficacy of dietary supplements on health status and performance of football players: a systematic review
P Allahyari, S Shekari… - Journal of Basic and …, 2025 - degruyterbrill.com
… of pyridoxine (vitamin B6) and the conversion of tryptophan to niacin (vitamin B3) [89]. It also … Individually, the effects of vitamin C (500 mg/day) were evaluated in young football players …
202511 citations
Body composition and habitual and match-day dietary intake of the FNB Maties Varsity Cup rugby players
S Potgieter, J Visser, I Croukamp… - South African Journal …, 2014 - journals.co.za
… optimal bone health for these (and other) rugby players. … a low copper intake and a high niacin intake. The elevated … any food, supplements or sports drinks during the rugby game. It is …
201441 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-05-22. DSLD Label ID: 247575. 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.