N-A-G 500 mg®

Non-Nutrient / Non-Botanical

Brand: Source Naturals

Tablet or PillNon-Nutrient/Non-BotanicalOn Market

Functions

Bone & Joint

Product label for N-A-G 500 mg — Click to view full label

Net Contents

120 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

120

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

0 21078 00222 2

Product Version

SN0222 REV G182 FG-95801

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

Contains

Milk
Egg
Shellfish
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 Tablet(s) · 1–3 per day

Ingredient	Amount Per Serving
N-Acetyl Glucosamine	500 mg	—

Not Present

Other Ingredients

SorbitolStearic AcidSilicaMagnesium Stearate

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: 1 tablet 1 to 3 tablets daily

Warnings & Precautions

Precautions re: Allergies

Contains shellfish (shrimp, lobster, and crab).

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: If you are pregnant, may become pregnant, breastfeeding, or regularly taking any drug such as acetaminophen, warfarin (Coumadin), or heparin, consult your health care professional before using this product.

Precautions re: All Other

Do not use if either tamper-evident seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Storage

Store in a cool, dry place.

Formulation

Formula re: Contains

N-acetyl glucosamine

Formulation re: Other

Connective tissue support

Formula re: Contains

N-A-G, N-acetyl glucosamine, is an amino sugar (the building blocks of mucopolysaccharides). It is formed from L-glutamine and glucose. N-A-G forms the basis of complex molecular structures which are key parts of the connective tissues and mucous membranes of the body - tendons, ligaments, cartilage, bone matrix, skin, joint fluid and intestinal lining.

Formulation re: Does NOT Contain

Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

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)

Manufacturer & Distributor

Distributor

Source Naturals, Inc.

P. O. Box 2118, Santa Cruz, CA, 95062

Market Reference

$5.45 – $138.59· 40 listings

N-A-G Source Naturals
iHerb4.8(215)
$25.17
Source Naturals NAG N-Acetyl Glucosamine 500 Mg Tablets
Instacart4.8(215)
$15.69
Source Naturals No-Flush Niacin
Walmart - Health Chest4.8(233)
$9.99
Source Naturals Mastic Gum Extract
Chinese Herbs Direct4.7(150)
$23.31
Source Naturals Essential Enzymes
Walmart - Holly Hill Health Foods4.8(2200)
$13.99
CLEARANCE: Source Naturals NKO 500mg 60ct EXP 05/2026
Best Price Nutrition
$10.00
Source Naturals NR Nicotinamide Riboside 300 mg
Natural Healthy Concepts5.0(1)
$26.99
Niacinamide 500 mg Source Naturals
PureFormulas.com4.4(5)
$9.79

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
2.3 (4)
Vitamin & supplements store
1422 W 86th St, Indianapolis, IN 46260
Directions (317) 912-3534
Cutting Edge Nutrition
4.9 (134)
Vitamin & supplements store
8282 Center Run Dr, Indianapolis, IN 46250
Directions (317) 585-0605
The Vitamin Shoppe
4.6 (157)
Vitamin & supplements store
3730 E 82nd St, Indianapolis, IN 46240
Directions (317) 570-9358
Natrum Naturals
5.0 (4)
Vitamin & supplements store
8902 N Meridian St Ste 101, Indianapolis, IN 46260
Directions (317) 848-8048
North Michigan Nutrition
4.3 (3)
Health food store
7852 Michigan Rd, Indianapolis, IN 46268
Directions
Health Spot (Avon)
4.9 (99)
Vitamin & supplements store
10972 E US Hwy 36, Indianapolis, IN 46234
Directions (317) 268-4942
Dr. Logan's Natural Supplement Pharmacy
5.0 (60)
Vitamin & supplements store
8497 Fishers Center Dr, Fishers, IN 46038
Directions (317) 598-4325
GNC
4.4 (26)
Vitamin & supplements store
6159 N Keystone Ave #300, Indianapolis, IN 46220
Directions (317) 259-4895

Research & Studies

Dietary Natural N-Acetyl-d-Glucosamine Prevents Bone Loss in Ovariectomized Rat Model of Postmenopausal Osteoporosis
Z Jiang, Z Li, W Zhang, Y Yang, B Han, W Liu, Y Peng - Molecules, 2018 - mdpi.com
… female health problem that increases morbidity, mortality, and … In the present study, natural NAG was prepared from … The IR spectrum of NAG (~0.5 mg) was acquired with a NEXUE …
201848 citations
Effects of silver nanoparticles on radish sprouts: root growth reduction and modifications in the nutritional value
N Zuverza-Mena, R Armendariz… - Frontiers in plant …, 2016 - frontiersin.org
… Seeds were germinated and grown for 5 days in nAg suspensions at 0, 125, 250, and 500 mg/L. Seed … conformation in radish sprouts, with unknown consequences for human health. …
2016308 citations
The 5-minute herb and dietary supplement consult
A Fugh-Berman - 2003 - books.google.com
… She also is a medical advisor to the National Women's Health Network, a science-based, … A controlled trial in 10 healthy men found that L-arginine (500 mg/kg intravenously over 30 …
200363 citations
Herbs and natural supplements, volume 2: An evidence-based guide
L Braun, M Cohen - 2014 - books.google.com
… supplements, and informed advice from their healthcare practitioner is important and expected. I hope that this book will help expand your practice by unlocking the potential of natural …
2014569 citations
Ganoderma lucidum (Reishi) an edible mushroom; a comprehensive and critical review of its nutritional, cosmeceutical, mycochemical, pharmacological, clinical, and …
R Ahmad, M Riaz, A Khan, A Aljamea… - Phytotherapy …, 2021 - Wiley Online Library
… with enormous health benefits, … of 500 mg thrice a day with optimal activity at 1800 mg thrice a day. This implicates a therapeutic index of 1.5–5.4 g/day, whereas a dose above 3000 mg …
2021243 citations
Various promising biological effects of cranberry extract: A
RR Khalil, ET Mohammed, YF Mustafa - Clinical Schizophrenia & …, 2021 - academia.edu
… natural occurring product that has been used for centuries in traditional medicine to promote urinary tract health… Cranberry extract supplement, one capsule of 500 mg Cranberry powder …
202167 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-09-22. DSLD Label ID: 272516. 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.