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THORNE Niacinamide - 500mg Niacin - Non-Flushing Form of Vitamin B3 - Support Joint Health, Skin Health & Restful Sleep* - Gluten-Free - 180 Capsules

4.6 out of 5 stars 1,690 ratings
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Purchase options and add-ons

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

About this item

  • Vitamin B3: A non-flushing form of vitamin B3
  • Sleep: Supports restful sleep*
  • Joints: Supports joint health*
  • Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts) This product also contains no soy, dairy, shellfish, or fish
  • Thorne's commitment to integrity and science-backed products has helped us earn the trust of thousands of health-care professionals, U.S. National Teams, the Mayo Clinic, and families around the world

Competitively priced item

100 Count (Pack of 1)
4.6 out of 5 stars (28)
$9.77 ($0.10/count)

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This item: THORNE Niacinamide - 500mg Niacin - Non-Flushing Form of Vitamin B3 - Support Joint Health, Skin Health & Restful Sleep* - Gluten-Free - 180 Capsules
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Product Description

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.
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Discover More Products From Thorne

Niacinamide

Basic Nutrients

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Berberine

Magnesium Bisglycinate

Customer Reviews
4.6 out of 5 stars 1,690
4.3 out of 5 stars 5,618
4.6 out of 5 stars 12,119
4.8 out of 5 stars 8,155
4.5 out of 5 stars 2,279
4.4 out of 5 stars 5,093
4.2 out of 5 stars 1,794
Price
$24.00 $34.00 $43.00 $19.00 $40.00 $42.00 $50.00
Servings
180 30 90 60 90 30 60
Primary Benefits
Skin & Joint Health Foundational Support Sports Performance Immune Support Heart & Brain Health Heart & Gut Health Muscle & Sleep Support
Key Ingredients
Vitamin B Vitamin B, Magnesium Creatine Monohydrate Vitamin D-5000 Omega-3 Fatty Acids Berberine Phytosome Magnesium
Gluten & Dairy Free
Trusted by 45K+ Health Pros
3rd Party Certified

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 2.58 x 2.58 x 4.94 inches; 4.94 ounces
  • Item model number ‏ : ‎ B131-R
  • Date First Available ‏ : ‎ September 13, 2007
  • Manufacturer ‏ : ‎ Thorne Research
  • ASIN ‏ : ‎ B0012XP4MI
  • Customer Reviews:
    4.6 out of 5 stars 1,690 ratings

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THORNE Niacinamide - 500mg Niacin - Non-Flushing Form of Vitamin B3 - Support Joint Health, Skin Health & Restful Sleep* - Gluten-Free - 180 Capsules
THORNE Niacinamide - 500mg Niacin - Non-Flushing Form of Vitamin B3 - Support Joint Health, Skin Health & Restful Sleep* - Gluten-Free - 180 Capsules
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Price$24.00$26.00$14.99$24.97$16.99$25.95
Price Per Unit$0.13 / count$0.14 / count$0.07 / count$0.09 / count$0.38 / count$0.13 / count
Delivery
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
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Important information

Safety Information

Allergy warning: This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.This product also does not contain lactose, palmitic acid, or magnesium, calcium, or vegetable stearates. Pregnancy warning: If pregnant, consult your health-care practitioner before using this product. Interactions /Contraindications: There are no known adverse interactions or contraindications at the publication date.

Indications

Sleep Support, Joint Support

Ingredients

One Capsule Contains: Niacin (as Niacinamide) 500 mg. Other Ingredients: Hypromellose (derived from cellulose) capsule.

Directions

Take 1 capsule one to three times daily or as recommended by a health-care practitioner.

Legal Disclaimer

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

Customer reviews

4.6 out of 5 stars
1,690 global ratings

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Customers say

Customers find this niacin supplement to be of high quality and effective, particularly as a joint pain reliever and for skin health, with one customer noting it evens out skin tone. The supplement receives positive feedback for its non-flushing formula, cholesterol-lowering properties, and sleep-improving effects. While many customers report good value for money, some experience headaches as a side effect.

AI-generated from the text of customer reviews

45 customers mention "Quality"45 positive0 negative

Customers praise the quality of this vitamin B3 supplement, with one customer noting its fabulous reputation for purity of substance.

"...It’s hard to find such high-quality, natural supplements, and Thorne truly delivers...." Read more

"Top quality! My large breed dog takes this supplement to counteract the skin and fur effects of taking a steroid medication longterm...." Read more

"Arrived in a timely manner and in good condition." Read more

"Non flushing. Great supplement. Good brand" Read more

39 customers mention "Effectiveness"33 positive6 negative

Customers find the supplement effective, particularly as a joint pain reliever, and one customer mentions it helps with rheumatoid arthritis.

"...provider recommended Thorne as one of the cleanest and most effective supplement brands out there, and I can see why...." Read more

"Love this works well" Read more

"Non flushing. Great supplement. Good brand" Read more

"This actually made a difference in my nail, skin & hair. It made it better, thicker, & stronger. I need to get more of it...." Read more

25 customers mention "Skin health"25 positive0 negative

Customers report positive effects on their skin, noting that it evens out tone and clears up, with some mentioning it helps with skin cancer.

"...I feel a noticeable difference in my skin, joint comfort, and overall sense of calm, especially when it comes to restful sleep...." Read more

"...I stopped to see what happens and my face is clearing back up...." Read more

"...However, I will say I noticed a almost immediate improvement in the tone of my skin...." Read more

"This actually made a difference in my nail, skin & hair. It made it better, thicker, & stronger. I need to get more of it...." Read more

17 customers mention "Flushing"14 positive3 negative

Customers appreciate that this niacin supplement doesn't cause facial flushing.

"Non flushing. Great supplement. Good brand" Read more

"I like that the niacinamide is. Non/flush which men’s it doesn’t make you feel flushed or having hot flash. You need to take it for...." Read more

"...switched over to the Throne Research Niacinamide, there has been no more flush. So for those who need niacin but hate the flush, this is your answer!" Read more

"Definitely no flush and no upset tummy. Will try other supplements from this company. Happy with purchase." Read more

13 customers mention "Cholesterol level"11 positive2 negative

Customers report positive effects on cholesterol levels with this niacin supplement, and one customer mentions it helps with blood pressure and circulation issues.

"I like this product it helps for my cholesterol I know it’s a vitamin but it’s better than taking prescription drugs and it works for me...." Read more

"...Decided to try this and not one episode!! Seems to be helping the triglycerides in both me and hubby." Read more

"I loved the idea for heart - vascular health. However more researvh suggested it's not a good choice for long term use on the diabetic. Phooey." Read more

"...It's also been used as an antidepressant and may boost neutrophils in those with neutropenia...." Read more

13 customers mention "Sleep quality"13 positive0 negative

Customers report positive effects on sleep quality, with some noting it helps them rest better and one mentioning it reduces restlessness, while another reports improved skin appearance.

"...I feel a noticeable difference in my skin, joint comfort, and overall sense of calm, especially when it comes to restful sleep...." Read more

"...The only thing these pills did was make us feel MUCH better, and MUCH younger and less achy. Give it a try!" Read more

"Great Vitamin for a daily intake. Helps with sleep, skin and joints. I always intake it 2 hours before my bed time. I notice a differences...." Read more

"...my skin looks healthier & I'm beginning to have more energy, starting to sleep better. Thorne is made in America, which heightens my confidence." Read more

11 customers mention "Value for money"11 positive0 negative

Customers find the vitamin supplement to be good value for money.

"...I was shocked!! Yes, it’s more expensive but totally worth it!" Read more

"Quality product and the price was fair." Read more

"...I use it for Roseacea and this has been a great help. Not costly and effective. Thank you." Read more

"...Wow! The brand I wanted and the product I needed -- and at a good price! Not to mention the very quick delivery!..." Read more

10 customers mention "Headache severity"0 positive10 negative

Customers report experiencing headaches after taking the supplement, with one mentioning nausea and another noting discomfort from vasodilation.

"...For me, it gave me a mild headache, nothing to terrible but not pleasant. For me the worst part was I had to pee literally every 20 minutes...." Read more

"...the niacinamide to straight niacin because the vasodilation of the flush is uncomfortable to me...." Read more

"Had serious nightmares after taking these...." Read more

"I took this for the first time at night and I woke up feeling nauseous, very clammy, and severely lightheaded when I stood up...." Read more

Very good supplements and I also recommend Thorne’s supplements.
5 out of 5 stars
Very good supplements and I also recommend Thorne’s supplements.
Was recommended by my Naturopathic Doctor because my levels of Niacin where very low. Everyone should be taking a micronutrients test once a year. It is proven that most of our physical, emotional or mental conditions are because of lack of nutrients. I’ve been blessed finding out most of my conditions where due to lack of nutrients. Thorne supplements are one of the most recommended by ND’s. Love it. I already have my levels in balance.
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Top reviews from the United States

  • Reviewed in the United States on October 31, 2024
    As a woman experiencing pre-menopausal symptoms, I can’t recommend Thorne products enough! Their Niacinamide capsules have been a game changer for me. My holistic provider recommended Thorne as one of the cleanest and most effective supplement brands out there, and I can see why. I feel a noticeable difference in my skin, joint comfort, and overall sense of calm, especially when it comes to restful sleep. It’s hard to find such high-quality, natural supplements, and Thorne truly delivers. Knowing these are gluten-free and formulated without unnecessary additives gives me peace of mind. Highly recommend to anyone looking for clean, effective support!
    27 people found this helpful
    Report
  • Reviewed in the United States on April 17, 2025
    Top quality! My large breed dog takes this supplement to counteract the skin and fur effects of taking a steroid medication longterm. Last month I decided to save some money and switched him to a lower quality Niacinamide made by a popular brand of vitamins and supplements found at grocery stores. In no time, his fur started thinning out all over his body and his skin became dry and flaky to the point it looked like dandruff. I bought the Thorne brand again to see if this caused the change. Within a week or two, his fur is growing back and skin is no longer dry. I was shocked!! Yes, it’s more expensive but totally worth it!
    One person found this helpful
    Report
  • Reviewed in the United States on March 14, 2025
    Love this works well
  • Reviewed in the United States on December 19, 2024
    I only took these for about 2 weeks with my lunch but stopped because my face was starting to get a lot of bumps and break out. I don't normally get break outs (I'm 42 yrs old now) and I didn't have an issue with acne as a teen but started breaking out on my cheeks after taking these. I stopped to see what happens and my face is clearing back up. I had bought these thinking these were the pills my husband's doc was recommended but it was something else. I decided to take these anyways and now have stopped due to the breakouts. I might try them again later down the road but as of right now I would not recommend them since I'm not prone to breakouts but it still caused me breakouts.
    12 people found this helpful
    Report
  • Reviewed in the United States on April 17, 2025
    Arrived in a timely manner and in good condition.
  • Reviewed in the United States on January 5, 2025
    Non flushing. Great supplement. Good brand
    3 people found this helpful
    Report
  • Reviewed in the United States on December 11, 2024
    So I've never actually experienced side effects from a vitamin before. At first I didn't even think to attribute what I was feeling to these vitamins, but then when I stopped taking them I noticed all my issues stopped. For me, it gave me a mild headache, nothing to terrible but not pleasant. For me the worst part was I had to pee literally every 20 minutes. It felt like anything I drank would go right through me. I felt super dehydrated. However, I will say I noticed a almost immediate improvement in the tone of my skin. It sucks because I love what it did fir my skin but I cant deal with having to use the bathroom so frequently.
    8 people found this helpful
    Report
  • Reviewed in the United States on March 8, 2025
    Quality product and the price was fair.

Top reviews from other countries

Translate all reviews to English
  • merline sularte
    5.0 out of 5 stars support my immune system
    Reviewed in the United Arab Emirates on June 14, 2024
    my doc suggested to take supplements and
    it really helped improve my overall wellness
  • Huge
    5.0 out of 5 stars B3
    Reviewed in Australia on July 14, 2024
    Good
  • Nerida P
    5.0 out of 5 stars Easy to swallow capsules
    Reviewed in Australia on February 9, 2024
    During my research I continually read comments about ‘hard to swallow’ and ‘large tablets’ so I was pleasantly surprised that this niacinamine was in capsule form.
  • Mayssoun alaya
    5.0 out of 5 stars منتج رائع
    Reviewed in the United Arab Emirates on November 24, 2023
    يدعم النوم واستعمله لمعالجة ارتفاع الكوليسترول
    Report
  • S.A.M
    1.0 out of 5 stars Not happy
    Reviewed in the United Arab Emirates on March 28, 2022
    It doesn’t meet my expectations. It makes my poops hard and I don’t find sleepiness after taking as per other’s reviews.

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