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Best b3 niacins - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

THORNE

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

THORNE

$24.00

More Details
Main highlights
- Vitamin B3: A non-flushing form of vitamin B3
- Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
- Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
- Sleep: Supports restful sleep*
- Joints: Supports joint health*
$24.00
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Dr. Berg Nutritionals

Dr. Berg Highly-Potent Niacin 500 mg – Now Only 125 mg per Capsule for Niacin Flush Tolerance Building – Gradually Increase to 500mg a Day – Vitamin B3 for Heart, Brain & Energy Support – 100 Capsules

Dr. Berg Nutritionals

$19.99

More Details
Main highlights
- 𝗧𝗥𝗬 𝗙𝗢𝗥 𝟯𝟬 𝗗𝗔𝗬𝗦 – If you are unhappy with our B3 vitamin, reach out to us within 30 days of your purchase date and we will take care of you.
- 𝗦𝗨𝗣𝗣𝗢𝗥𝗧𝗦 𝗛𝗘𝗔𝗥𝗧, 𝗕𝗥𝗔𝗜𝗡 & 𝗘𝗡𝗘𝗥𝗚𝗬 𝗣𝗥𝗢𝗗𝗨𝗖𝗧𝗜𝗢𝗡 – Niacin B3 contributes to healthy energy production, supports heart and brain function, and promotes normal healthy cholesterol levels as part of a balanced diet.*
- 𝗥𝗘𝗖𝗢𝗠𝗠𝗘𝗡𝗗𝗘𝗗 𝗨𝗦𝗘 – Start with 1 capsule per day and slowly work up to 4 as desired, based on your body’s response to niacin flush. Take with food and a full glass of water to minimize flushing.
- 𝗚𝗘𝗡𝗧𝗟𝗘𝗥 𝗗𝗢𝗦𝗜𝗡𝗚, 𝗦𝗔𝗠𝗘 𝗣𝗢𝗪𝗘𝗥𝗙𝗨𝗟 𝗙𝗢𝗥𝗠𝗨𝗟𝗔 – Now with 125 mg of niacin per capsule to help build a tolerance for niacin flush. You’re in control—adjust your intake by working up to 4 capsules daily for the full 500 mg dose of this niacin supplement.
- 𝗖𝗔𝗨𝗧𝗜𝗢𝗡 – Vitamin B3 niacin can cause temporary flushing, tingling, or itching.
$19.99
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Nutricost

Nutricost Niacinamide (Vitamin B3) 500mg, 240 Capsules - Non-GMO, Gluten Free, Flush Free Vitamin B3

Nutricost

$14.95

More Details
Main highlights
- Non-GMO, Gluten Free, Soy Free, and Made in a NSF Certified GMP Compliant, FDA Registered Facility
- High Quality Vitamin B3 - Niacinamide. May Have White or Blue Lid
- Get The Benefits of Vitamin B3 Without The "Niacin Flush"
- 500mg of Vitamin B3 (Niacinamide) Per Capsule
- 240 Capsules of Niacinamide Per bottle
$14.95
4
Best Value
22% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Nature's Bounty
22% Off

Nature's Bounty Niacin 500mg Flush Free, Cellular Energy Support, Supports Nervous System Health, 120 Capsules

Nature's Bounty

$17.92

$23.09
(22% Off)

More Details
Main highlights
- SUPPORTS NERVOUS SYSTEM HEALTH (1): Along with providing daily cellular energy support, Niacin supports nervous system health. (1) If you need a daily nervous system supplement, consider adding Nature’s Bounty Niacin to your routine (1)
- FROM THE TRUSTED WELLNESS EXPERTS: Nature’s Bounty Niacin is a product of 50 years of dedication to quality, consistency and scientific research to make vitamins and nutritional supplements of unrivaled excellence
- FLUSH FREE FORMULA: Niacin not only has a wide range of health supporting benefits, but our flush free formula uses Inositol Hexanicotinate, a form of Niacin that is less likely to cause skin flushing
- EXCELLENT VALUE COMPARED WITH OTHER TOP BRANDS: Compare Nature’s Bounty products to Bixa Botanical, Na'trition, Women’s Health Network, Organic India, Vimerson Health, Zhou, New Chapter, Baetea, Nature’s Way, BioScience Nutrition, Nature’s Secret, Bio Schwartz, Health Concerns, Nested, Havasu, and OHCO
- CELLULAR ENERGY SUPPORT (1): Niacin, also known as Vitamin B3, is found naturally in foods such as beef, avocados and potatoes and aids in the conversion of food to cellular energy. (1) Nature’s Bounty Niacin offers the energy cellular support you need to fuel your body (1)
$17.92
$23.09 (22% Off)
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Nutricost

Nutricost Niacin (Vitamin B3) 100mg, 240 Capsules - with Flushing, Non-GMO, Gluten Free

Nutricost

$11.99

More Details
Main highlights
- Warning: Will Likely Cause "Niacin Flush." For Non-Flush, try Niacinamide. Consuming On An Empty Stomach May Increase Flush Reaction
- Non-GMO, Gluten Free, 3rd Party Tested
- Made in A NSF Certified, GMP Compliant, FDA Registered Facility
- 240 Capsules of immediate release Niacin Per Bottle
- 100mg of Niacin (Vitamin B3) Per Capsule
$11.99

Best b3 niacins - Holiday Sale 2025

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

Dr. Berg Highly-Potent Niacin 500 mg – Now Only 125 mg per Capsule for Niacin Flush Tolerance Building – Gradually Increase to 500mg a Day – Vitamin B3 for Heart, Brain & Energy Support – 100 Capsules

Nutricost Niacinamide (Vitamin B3) 500mg, 240 Capsules - Non-GMO, Gluten Free, Flush Free Vitamin B3

Nature's Bounty Niacin 500mg Flush Free, Cellular Energy Support, Supports Nervous System Health, 120 Capsules

Nutricost Niacin (Vitamin B3) 100mg, 240 Capsules - with Flushing, Non-GMO, Gluten Free

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