Niacin 500 Vitamin B3 500 mg®

Vitamins

Brand: Dr. Clark Store

CapsuleVitaminOn Market

Functions

Energy & Metabolism

Product label for Niacin 500 Vitamin B3 500 mg — Click to view full label

Net Contents

100 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

100

Supplement Form

Capsule

Bar Code (UPC/SKU)

6 52384 10545 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.

1% Daily Value Coverage

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

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Supplement Facts

Serving Size: 1 Capsule(s) · 1 per day

Ingredient	Amount Per Serving	% Daily Value
Niacin	500 mg	2500%

Not Present

Other Ingredients

Gelatin Capsules

Target Groups

Adult (18 - 50 Years)

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested use: Adults take 1 capsule daily, preferably with a meal, or as directed by a person healthcare professional. Consult with a physician before administering to children.

Warnings & Precautions

Precautions re: Children

Consult with a physician before administering to children.

Precautions re: All Other

Note: Niacin may cause temporary skin flushing, tingling, or itching, especially when taken on an empty stomach. This is a harmless reaction and will pass.

Precautions re: Children

Keep away from children.

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: If you are pregnant, nursing or taking any medications, consult your doctor before use.

Precautions re: All Other

If any adverse reactions occur, immediately stop using this product and consult your doctor. If seal under cap is damaged or missing, do not use.

Storage

Store at room temperature.

Formulation

Formulation re: Does NOT Contain

Our products don't contain flow agents like Magnesium Stearate. Not now, not ever.

Formulation re: Other

Promotes energy metabolism

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

Seals/Symbols

Made in USA

General Statements: All Other Content

Leader in purity Established by Dr. Clark's Family in 1993

General Statements: All Other Content

Company does not adopt any Dr. Clark claims.

Manufacturer & Distributor

Manufacturer

Self Health Resource Center

1055 Bay Blvd., Ste A, Chula Vista, CA, 91911

866-372-5275

Market Reference

$5.54 – $90.00· 40 listings

Dr. Clark Store Niacin 500mg B3 100 Capsules
Dr. Clark Store5.0(12)
$21.49
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$16.99
Niacin Extended Release Tablet mg
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$14.00
Rugby Niacin 500 mg 1000 Tablets
Walmart - FM Pharmacy4.2(10)
$33.00
Horbaach Niacin 500mg 100 Capsules
Target3.3(19)
$12.99
Now Foods Niacinamide
remedythisnaturally.com4.7(9100)
$12.15
Natural Factors Niacin 100 mg 90 Tablets
The Vitamin Shop4.6(590)
$13.34
The Vitamin Shoppe Niacin
The Vitamin Shoppe3.9(12)
$14.99

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.

The Vitamin Shoppe
4.2 (115)
Vitamin & supplements store
13376 Washington Blvd, Los Angeles, CA 90066
Directions (310) 301-3590
Nutrishop Santa Monica
5.0 (110)
Vitamin & supplements store
Inside 24 Hour fitness, 2929 31st St, Santa Monica, CA 90405
Directions (310) 606-2434
Walgreens
2.9 (531)
Vitamin & supplements store
3201 W 6th St, Los Angeles, CA 90020
Directions (213) 251-0179
Walgreens
3.3 (143)
Vitamin & supplements store
5829 Lakewood Blvd, Lakewood, CA 90712
Directions (562) 817-5690
Healing 4 Soul
5.0 (30)
Holistic medicine practitioner
1714 N Beverly Glen Blvd, Los Angeles, CA 90077
Directions (310) 738-8878
Walgreens
3.3 (68)
Vitamin & supplements store
8900 Washington Blvd Walgreens, Pico Rivera, CA 90660
Directions (562) 222-1590
Walgreens
3.2 (117)
Vitamin & supplements store
3446 W Ball Rd, Anaheim, CA 92804
Directions (714) 821-3112
Walgreens
3.5 (85)
Vitamin & supplements store
6325 Rosemead Blvd, San Gabriel, CA 91775
Directions (626) 285-5107

Research & Studies

Function and Effects of Niacin (Niacinamide, Vitamin B3)
AA Megan, SO Muhidin, MA Hamad - 2012 - books.rsc.org
… Administration of niacin with statins has proved to be safe and effective in decreasing … the wide use of niacin. Two important clinical trials will enhance our understanding of niacin and its …
20122 citations
The B vitamins
S Truswell, R Milne - Essentials of human nutrition, 2002 - books.google.com
… with niacin in South Africa. If food tables give values for milligram niacin equivalents (NE), this is preformed niacin, … 0.2 mg preformed niacin, but 0.6 mg potential niacin from tryptophan. …
200232 citations
Niacin (vitamin B3)-induced acute fulminant hepatic failure in a 24-year-old female
M Duffy, G Zhang, C Ariyawansa, MH Anstey - Cureus, 2024 - cureus.com
… vitamin B complex by a holistic psychiatrist but, in the preceding few months, had increased her intake of vitamin B3 … two or three 500 mg tablets per day of niacin for roughly two months …
20242 citations
Clinical and legal aspects of nonphysician prescription of vitamins, amino acids, and other nutritional supplements
HW Clark, KL Sees, JA Nathan - Journal of psychoactive drugs, 1988 - Taylor & Francis
… B3 is associated with a well-documented toxicity syndrome. When taken in dosages in excess of five grams per day, niacin can cause severe flushing. High doses of B3 can cause …
198811 citations
B vitamins, glucoronolactone and the immune system: bioavailability, doses and efficiency
C Munteanu, B Schwartz - Nutrients, 2023 - mdpi.com
… Vitamin B3 (VB3) or niacin—Following ingestion, the gut enzymatically transforms nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP) …
202335 citations
Vitamins B1, B2, B3 and B9–occurrence, biosynthesis pathways and functions in human nutrition
N Wolak, M Zawrotniak, M Gogol… - Mini reviews in …, 2017 - ingentaconnect.com
… Thiamine (vitamin B1), riboflavin (vitamin B2), niacin (vitamin B3) and folic acid and its analogues (vitamin B9) belong to the main vitamins produced in plastids. Thiamine was the first …
201754 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-03-24. DSLD Label ID: 215808. 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.