What is the dosage for each capsule?

According to Thornes website, 500mg per tablet.

How large are these capsules?

The capsule used in Thorne’s Niacinamide product is an oblong, two-piece size 0 (or “single-aught”) capsule. A single-aught (size 0) capsule is designed to hold about 500 mg of material. You can see the various sizes and dimensions of all capsules by doing an online search using “capsule sizes” as the search term.

Is this extended release?

The Thorne Niacinamide is not a sustained release supplement.

Where does the niacinamide originate? Is it from China?

Because it is proprietary and confidential business information, Thorne does not disclose the country of origin of its raw materials. Thorne tells us: "Thorne Research sources its ingredients from around the world, including China. However, what is much more important than the country of origin of an ingredient is the testing that is done on that ingredient when it is received by the manufacturer. Thorne Research does not rely on the Certificate of Origin from an ingredient supplier. Instead, Thorne Research tests every single ingredient in our own in-house laboratory, regardless of the ingredient's country of origin, to verify the ingredient's identification, purity, and quality."

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THORNE - Niacinamide - Non-Flushing Form of Vitamin B3 - Supports Skin Health & Provides Cellular Protection* - Niacin Supplement - Third-Party Certified - Gluten, Dairy & Soy-Free - 180 Capsules

THORNE - Niacinamide - Non-Flushing Form of Vitamin B3 - Supports Skin Health & Provides Cellular Protection* - Niacin Supplement - Third-Party Certified - Gluten, Dairy & Soy-Free - 180 Capsules

Product ID: 3865607

Details

Brand
THORNE
Diet Type
Gluten Free
Flavor
Unflavored
Item Form
Capsule
Primary Supplement Type
Vitamin-b

🌿Gluten, dairy & soy-free clean formula

💊180 capsules for long-term supply

🛡️Third-party certified purity & safety

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VT10562

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
THORNE
Diet Type
Gluten Free
Flavor
Unflavored

Description

✨ Elevate your wellness game with Thorne’s clean, certified niacinamide boost! 💪

LONG LASTING SUPPLY - 180 capsules per bottle means you stay consistently supported without frequent reordering.
CLINICALLY TRUSTED QUALITY - Backed by 100+ pro sports teams and top healthcare practitioners, ensuring premium, reliable supplementation.
CLEAN ALLERGEN FREE FORMULA - Gluten, dairy, and soy-free capsules crafted for sensitive, health-conscious professionals.
HOLISTIC SKIN JOINT SUPPORT - Formulated to enhance skin health, joint comfort, and promote restful sleep for a balanced lifestyle.
NON FLUSHING VITAMIN B 3 POWER - Enjoy all the benefits of niacin without the uncomfortable flush—perfect for daily skin and cellular support.

Thorne Niacinamide offers a non-flushing, high-quality vitamin B3 supplement designed to support skin health, joint comfort, and restful sleep. Third-party tested and free from gluten, dairy, and soy, this 180-capsule bottle delivers trusted, clean nutrition favored by elite athletes and healthcare pros alike.

Specifications

ASIN	B0012XP4MI
Age Range Description	Adult
Allergen Information	Dairy Free, Fish Free, Shellfish Free, Soy Free
Best Sellers Rank	#8,726 in Health & Household ( See Top 100 in Health & Household ) #11 in Vitamin B3 (Niacin) Supplements
Brand	THORNE
Brand Name	THORNE
Color	Red
Customer Reviews	4.6 out of 5 stars 2,015 Reviews
Diet Type	Gluten Free
Dosage Form	Capsule
Flavor	Unflavored
Item Dimensions	2.58 x 2.58 x 4.94 inches
Item Form	Capsule
Item Weight	0.32 Pounds
Manufacturer	Thorne Research
Manufacturer Part Number	B131
Material Type Free	en_AE
Model Number	B131
Number of Items	1
Primary Supplement Type	Vitamin-b
Product Benefits	Bone & Joint Skin, Hair & Nails Sleep
Special Ingredients	Niacin (as Niacinamide)
Specific Uses For Product	Skin
Supplement Formulation	Individual Supplement
UPC	693749131021
Unit Count	180 Count

Reviews

J**E

31.10.2024

A**R

17.04.2025

P**E

9.02.2026

J**N

19.12.2024

B**3

19.04.2026

L**D

3.04.2026

S**A

10.07.2025

L**T

2.03.2026

A**R

21.02.2026

M**E

14.06.2024

N**P

9.02.2024

M**A

24.11.2023

T**R

1.01.2026

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