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Best b3 niacins - June 2026

Last Updated - June 18, 2026

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

THORNE

$26.00

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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*
$26.00
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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.

DEAL SUPPLEMENT

Vitamin B3 Nicotinamide 1,000mg Per Serving – 500 Capsules, Flush Free Niacin, Essential B3 – Supports Healthy Skin & Energy Production – Non-GMO

DEAL SUPPLEMENT

$21.95

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Main highlights
- Supply & Servings – 500 capsules per bottle, 2 capsule serving size, offers 1,000mg nicotinamide (not niacin) per serving (500mg per capsule), long lasting 250-day supply.
- Special Features – Bioavailable water-soluble nicotinamide in easy-to-consume powder filled capsules, 1,000mg extra strength serving, flush free non-niacin form, essential vitamin B3 micronutrient benefits.
- Quality Ensured – Non-GMO ingredients that are 3rd party lab tested and passed. Made without gluten, dairy, eggs, peanuts, soy, wheat, yeast, and tree nuts.
- Purpose – Naturally replenish B vitamin levels with niacin as nicotinamide, this form is designed to not cause the skin to dilate which bypasses any red flushing or itching sensations.
- Benefits & Use – Enjoy benefits that combat any flushing effects associated with niacin, you may notice support for skin complexion, energy production, brain, and heart health in both men and women.
$21.95
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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) 500mg, 240 Capsules - with Flushing, Non-GMO, Gluten Free

Nutricost

$14.94

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Main highlights
- Warning: This Product Will Likely Cause the "Niacin Flush." For Non-Flush, try Niacinamide. Consuming On An Empty Stomach May Increase Flush Reaction
- Potent 500mg of Niacin (Vitamin B3) Per Capsule
- Non-GMO, Gluten Free, 3rd Party Tested
- Manufactured in an NSF Certified, GMP Compliant, FDA Registered Facility
- 240 Capsules of fast release Niacin Per Bottle
$14.94
4
Best Value
32% 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
32% Off

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

Nature's Bounty

$15.59

$23.09
(32% Off)

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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)
$15.59
$23.09 (32% 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.

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

Best b3 niacins - June 2026

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

Vitamin B3 Nicotinamide 1,000mg Per Serving – 500 Capsules, Flush Free Niacin, Essential B3 – Supports Healthy Skin & Energy Production – Non-GMO

Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules - with Flushing, Non-GMO, Gluten Free

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

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