Net Contents
30 Pack(s)
Serving Size
1 Tablet(s)
Servings Per Container
Not specified
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
Not specified
Product Version
CODE 329611 GLG
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
1 ingredients report a %DV; 1 meet or exceed 100% DV.
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
- Wheat
- 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 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Niacin(Niacinamide) | 100 mg | 500% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take the contents of one pack daily with food.
Warnings & Precautions
Precautions re: All Other
Discontinue use two weeks prior to surgery.
Precautions re: Pregnant or Nursing or Prescription Medications
WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.
Precautions re: Children
KEEP OUT OF REACH OF CHILDREN.
Storage
Storage
Store in a cool, dry place.
Formulation
Formulation re: Does NOT Contain
No Artificial Colors, No Artificial Flavors, No Wheat, No Gluten, No Dairy, Yeast 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.
Other Label Statements
General Statements: All Other Content
GNC GUARANTEE Use and GNC supplement for as little as 10 days. If you are not 100% completely satisfied, return the unused portion of the product with proof of purchase to your GNC store for a complete refund of your purchase price. No questions asked!
General Statements: All Other Content
GNC QUALITY COMMITMENT GNC, the leader in the development and manufacture of dietary supplements, is committed to producing the highest quality products available. This commitment begins with quality designed supplement formulations. Every raw material that goes into a GNC supplement is guaranteed as to quality and potency. Each product is dated and then shipped immediately to our stores, so you can be sure you are purchasing the freshest supplements available. At GNC, we extend our quality commitment to you by offering our money-back guarantee.
General: Product/Version Code
CODE 329611 GLG
General Statements: All Other Content
Each pack contains: Niacinamide
General Statements: All Other Content
Potencies verified by GNC procedure #5103. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.
General Statements: All Other Content
Niacinamide- Provides dietary support for a healthy blood lipid profile and plays an important function in energy metabolism.
Manufacturer & Distributor
Other
1-888-462-2548
Other
Distributor
General Nutrition Corporation
Pittsburgh, PA, 15222
Market Reference
GNC Women's Ultra Mega Multivitamin 180 Caplets
GNC4.4(336)$47.99GNC Women's Multivitamin Ultra Mega Without Iron
GNC4.5(82)$47.99GNC Niacin 500mg Tablets
GNC4.4(103)$19.99GNC WOMENS Ultra Mega Multivitamin
gnc.com.pa$49.99GNC Women's Multivitamin Soft Chews
GNC4.0(98)$19.99GNC Women's 30+ Vitapak Program
GNC4.9(78)$49.99GNC Women's Focus & Vitapak Program
GNC4.5(2)$49.99Gnc Women’s 40+ Vitapak 5 in 1 Multivitamin Pack
GNC4.8(11)$49.99
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.
Omni Peptides
5.0 (30)Vitamin & Supplements Shop
54 Grey Friars Way, Stafford ST16 2RG
Holland & Barrett - Crewe
4.2 (38)Vitamin & Supplements Shop
25 Victoria St, Crewe CW1 2HF
Sports Nutrition
4.8 (26)Vitamin & Supplements Shop
Bradwall Rd, Sandbach CW11 1GE
Big Bear Store Ltd
4.9 (111)Vitamin & Supplements Shop
2B Wilmslow Rd, Greater, Manchester M14 5TP
Supplement Junction
5.0 (40)Health food shop
25-27 Marsh St S, Hanley, Stoke-on-Trent ST1 1JA
Stockport Supplements Reddish
5.0 (101)Vitamin & Supplements Shop
110 Gorton Rd, Reddish, Stockport SK5 6UE
Body Xtreme Supplements
5.0 (23)Vitamin & Supplements Shop
43 Victoria Rd, Fenton, Stoke-on-Trent ST4 2LX
Stockport Supplements Hazel Grove
5.0 (24)Vitamin & Supplements Shop
515 Buxton Rd, Stockport SK2 7HJ
Research & Studies
The adult vitamin and mineral supplement maze
E Mackowiak, Y Bernstein… - The Consultant Pharmacist …, 2010 - ingentaconnect.com
… This could increase adverse effects if patients are taking additional niacin to control … Women’s 50+ Advantage (405 mg of calcium and 800 IU of vitamin D), GNC’s Women Ultra Mega 50 …
20104 citationsThe Application of Nicotinamide Coenzymes and Precursors
KK Liu, W Sun, ZH Qin, ZL Zhang - Biology of Nicotinamide Coenzymes …, 2025 - Springer
… niacin deficiency-related dermatitis, such as pellagra. NA also known as vitamin B 3 or vitamin PP, and commonly referred to as niacin … NA in the field of health and beauty. In the field of …
20253 citationsNicotinamide: A multifaceted molecule in skin health and beyond
L Camillo, E Zavattaro, P Savoia - Medicina, 2025 - mdpi.com
… Nicotinamide (NAM)—also known as niacinamide—is the amid form of vitamin B3 and is a critical precursor for nicotinamide adenine dinucleotide (NAD + ) and NADPH. By …
202536 citationsMechanistic basis and clinical evidence for the applications of nicotinamide (niacinamide) to control skin aging and pigmentation
YC Boo - Antioxidants, 2021 - mdpi.com
… Vitamin B3 (nicotinic acid, niacin) deficiency causes the systemic disease pellagra, which leads to … Although nicotinamide (niacinamide) is primarily used as a nutritional supplement for …
2021306 citationsTime for change: stepping up the FDA's regulation of dietary supplements to promote consumer safety and awareness
G Kennett - JL & Health, 2019 - HeinOnline
… so if GNC had disclosed that they contained mislabelled ingredients which purportedly pose serious health risks and are not marketable as dietary supplements.… ingredients niacin and …
201924 citationsExploring niacinamide as a multifunctional agent for skin health and rejuvenation
K Kapoor, S Shankar, RF Begum… - Current …, 2025 - benthamdirect.com
… In one trial, 2,000 mg of extended-release niacinamide was administered to healthy male volunteers. The mean peak plasma concentration (Cmax) was 9.3 µg/ml, and the area under …
20255 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-08-24. DSLD Label ID: 11534. 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.
Related Products

100% Natural E-1000 IU
Vitamin World

100% Natural E-200 IU
Vitamin World

100% Natural E-400 IU
Vitamin World

100% Natural Vitamin D3
Whole Body Research