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10 Best Vitamin B3 Niacin Supplements of 2026
Last updated on 06/09/2026
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1
Vitamatic Niacin (Vitamin B3) 500mg,240 Tablets - Non-GMO & Gluten Free
Vitamatic
Why we love it
Effective gradual release formula.
High potency vitamin support.
Clean ingredients with no additives.
Main Highlights
Sustained Release: Formulated for gradual release over time to maintain optimal levels.
Niacin (Vitamin B3): Provides 500 mg of niacin per tablet, an essential B vitamin.
Supports Cardiovascular Health
Easy to Swallow: Tablets are coated for smooth ingestion and sustained release.
Potent Dosage: Each bottle contains 240 tablets for a long-lasting supply.
Made in the USA with Strict GMP standards.
Free of Soy, Yeast, Wheat, Egg, Artificial Color, Flavor, & Preservatives.
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9.7
Exceptional
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9.7
Exceptional
Vitamatic
Vitamatic Niacin (Vitamin B3) 500mg,240 Tablets - Non-GMO & Gluten Free
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Show More
Why we love it
Effective gradual release formula.
High potency vitamin support.
Clean ingredients with no additives.
Main Highlights
Sustained Release: Formulated for gradual release over time to maintain optimal levels.
Niacin (Vitamin B3): Provides 500 mg of niacin per tablet, an essential B vitamin.
Supports Cardiovascular Health
Easy to Swallow: Tablets are coated for smooth ingestion and sustained release.
Potent Dosage: Each bottle contains 240 tablets for a long-lasting supply.
Made in the USA with Strict GMP standards.
Free of Soy, Yeast, Wheat, Egg, Artificial Color, Flavor, & Preservatives.
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Value for Money
2
Heliocare Advanced Niacin B3 Supplement: Fernblock PLE Extract 240mg Per Serving - Supports Skin Cell Health W/Antioxidant Rich Vitamin B3 Niacin 500 mg - 120 Vegan Capsules
Heliocare
Why we love it
Advanced formula enhances skin appearance.
Antioxidant support protects from radicals.
Vegan and gluten-free for everyone.
Main Highlights
ADVANCED FORMULA: Nicacin (vitamin B3) non-flush form to help improve the appearance of skin
ANTIOXIDANT SUPPORT: Fernblock PLE technology to help against the harmful effects of free radicals
Vegan and gluten free formula derived from nature with no artificial dyes or fillers
FOR DAILY USE: Adults may take 2 Heliocare Advanced easy to swallow capsules daily (Niacin 500mg and Fernblock PLE Extract 240mg) or as directed by your physician
USE WITH SUNSCREEN: Heliocare Advanced is not a replacement for topical sunscreen
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9.6
Superb
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9.6
Superb
Heliocare
Heliocare Advanced Niacin B3 Supplement: Fernblock PLE Extract 240mg Per Serving - Supports Skin Cell Health W/Antioxidant Rich Vitamin B3 Niacin 500 mg - 120 Vegan Capsules
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Why we love it
Advanced formula enhances skin appearance.
Antioxidant support protects from radicals.
Vegan and gluten-free for everyone.
Main Highlights
ADVANCED FORMULA: Nicacin (vitamin B3) non-flush form to help improve the appearance of skin
ANTIOXIDANT SUPPORT: Fernblock PLE technology to help against the harmful effects of free radicals
Vegan and gluten free formula derived from nature with no artificial dyes or fillers
FOR DAILY USE: Adults may take 2 Heliocare Advanced easy to swallow capsules daily (Niacin 500mg and Fernblock PLE Extract 240mg) or as directed by your physician
USE WITH SUNSCREEN: Heliocare Advanced is not a replacement for topical sunscreen
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3
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
Why we love it
Supports restful sleep naturally.
Promotes joint health effectively.
Pure, allergen-free ingredients guaranteed.
Main Highlights
Vitamin B3: A non-flushing form of vitamin B3
Sleep: Supports restful sleep*
Joints: Supports joint health*
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
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)
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9.4
Superb
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9.4
Superb
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
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Show More
Why we love it
Supports restful sleep naturally.
Promotes joint health effectively.
Pure, allergen-free ingredients guaranteed.
Main Highlights
Vitamin B3: A non-flushing form of vitamin B3
Sleep: Supports restful sleep*
Joints: Supports joint health*
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
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)
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4
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
Why we love it
Gentler dosing for better tolerance.
Supports heart, brain, and energy.
Satisfaction guarantee for peace of mind.
Main Highlights
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.
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.
𝗖𝗔𝗨𝗧𝗜𝗢𝗡 – Vitamin B3 niacin can cause temporary flushing, tingling, or itching.
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.*
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.
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9.3
Superb
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9.3
Superb
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
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Why we love it
Gentler dosing for better tolerance.
Supports heart, brain, and energy.
Satisfaction guarantee for peace of mind.
Main Highlights
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.
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.
𝗖𝗔𝗨𝗧𝗜𝗢𝗡 – Vitamin B3 niacin can cause temporary flushing, tingling, or itching.
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.*
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.
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5
Vitamin B3 Nicotinamide 1,000mg Per Serving – 500 Capsules, Flush Free Niacin, Essential B3 – Supports Healthy Skin & Energy Production – Non-GMO
DEAL SUPPLEMENT
Why we love it
Supports skin and heart health.
No flushing side effects.
High-quality non-GMO ingredients.
Main Highlights
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.
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.
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.
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.
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.
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9.2
Superb
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9.2
Superb
DEAL SUPPLEMENT
Vitamin B3 Nicotinamide 1,000mg Per Serving – 500 Capsules, Flush Free Niacin, Essential B3 – Supports Healthy Skin & Energy Production – Non-GMO
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Why we love it
Supports skin and heart health.
No flushing side effects.
High-quality non-GMO ingredients.
Main Highlights
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.
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.
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.
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.
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.
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6
Pure Encapsulations Niacinamide | Vitamin B3 Supplement to Support Energy Metabolism, Joint Mobility, and Metabolic Function* | 90 Capsules
Pure Encapsulations
Why we love it
Supports healthy metabolism functions.
Promotes joint mobility and comfort.
No flushing side effects experienced.
Main Highlights
Supports Metabolism: Niacinamide is a form of vitamin B3 designed to support carbohydrate metabolism and metabolic function.*
Joint Health: Niacinamide may also support healthy joint mobility and comfort.*
No Flush Niacin: Niacinamide (vitamin B3) is a precursor of nicotinamide adenine dinucleotide (NAD), essential for oxidation-reduction reactions, nutrient metabolism and ATP synthesis. It does not cause the vasodilatation (“flush”) associated with niacin.*
Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.
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9.0
Superb
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9.0
Superb
Pure Encapsulations
Pure Encapsulations Niacinamide | Vitamin B3 Supplement to Support Energy Metabolism, Joint Mobility, and Metabolic Function* | 90 Capsules
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Why we love it
Supports healthy metabolism functions.
Promotes joint mobility and comfort.
No flushing side effects experienced.
Main Highlights
Supports Metabolism: Niacinamide is a form of vitamin B3 designed to support carbohydrate metabolism and metabolic function.*
Joint Health: Niacinamide may also support healthy joint mobility and comfort.*
No Flush Niacin: Niacinamide (vitamin B3) is a precursor of nicotinamide adenine dinucleotide (NAD), essential for oxidation-reduction reactions, nutrient metabolism and ATP synthesis. It does not cause the vasodilatation (“flush”) associated with niacin.*
Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.
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7
Vitamin B3 Niacinamide 500mg Per Capsule, 400 Capsules | 1,000mg Flush Free Niacin Per Serving, Essential B Vitamin Supplement | Non-GMO, Gluten Free
Micro Ingredients
Why we love it
Flush-free niacinamide benefits.
Value pack for six months.
Supports energy and skin health.
Main Highlights
Micro Ingredients offers extra strength flush-free vitamin B3, enjoy niacinamide 500mg per capsule (1,000mg per serving) with benefits that bypass any flushing side effects normally caused by regular niacin.
Each pouch contains 400 total capsules with every capsule providing 500mg niacinamide, a value sized package that offers essential micronutrient benefits for over 6 months.
The B3 vitamin plays a major role in energy support that promotes the production of NAD plus NADP, it can also be used as a skin care supplement for supporting a flawless complexion.
Vitamin B3 is one of the most important B vitamins for living a healthy balanced life, offers a convenient way to replenish low B vitamin levels and combat any deficiencies.
Premium non-GMO vitamin B3 supplements. Made without soy, dairy, gluten, preservatives, flavors, and tree nuts. Ingredients must pass our 3rd party lab tests to ensure a product that is safe, pure, and potent.
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8.9
Excellent
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8.9
Excellent
Micro Ingredients
Vitamin B3 Niacinamide 500mg Per Capsule, 400 Capsules | 1,000mg Flush Free Niacin Per Serving, Essential B Vitamin Supplement | Non-GMO, Gluten Free
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Why we love it
Flush-free niacinamide benefits.
Value pack for six months.
Supports energy and skin health.
Main Highlights
Micro Ingredients offers extra strength flush-free vitamin B3, enjoy niacinamide 500mg per capsule (1,000mg per serving) with benefits that bypass any flushing side effects normally caused by regular niacin.
Each pouch contains 400 total capsules with every capsule providing 500mg niacinamide, a value sized package that offers essential micronutrient benefits for over 6 months.
The B3 vitamin plays a major role in energy support that promotes the production of NAD plus NADP, it can also be used as a skin care supplement for supporting a flawless complexion.
Vitamin B3 is one of the most important B vitamins for living a healthy balanced life, offers a convenient way to replenish low B vitamin levels and combat any deficiencies.
Premium non-GMO vitamin B3 supplements. Made without soy, dairy, gluten, preservatives, flavors, and tree nuts. Ingredients must pass our 3rd party lab tests to ensure a product that is safe, pure, and potent.
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8
Nutricost Niacinamide (Vitamin B3) 500mg, 240 Capsules - Non-GMO, Gluten Free, Flush Free Vitamin B3
Nutricost
Why we love it
High potency with 240 capsules.
Gentle formula, no niacin flush.
Non-GMO and gluten-free options.
Main Highlights
240 Capsules of Niacinamide Per bottle
500mg of Vitamin B3 (Niacinamide) Per Capsule
Get The Benefits of Vitamin B3 Without The "Niacin Flush"
High Quality Vitamin B3 - Niacinamide. May Have White or Blue Lid
Non-GMO, Gluten Free, Soy Free, and Made in a NSF Certified GMP Compliant, FDA Registered Facility
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8.8
Excellent
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8.8
Excellent
Nutricost
Nutricost Niacinamide (Vitamin B3) 500mg, 240 Capsules - Non-GMO, Gluten Free, Flush Free Vitamin B3
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Why we love it
High potency with 240 capsules.
Gentle formula, no niacin flush.
Non-GMO and gluten-free options.
Main Highlights
240 Capsules of Niacinamide Per bottle
500mg of Vitamin B3 (Niacinamide) Per Capsule
Get The Benefits of Vitamin B3 Without The "Niacin Flush"
High Quality Vitamin B3 - Niacinamide. May Have White or Blue Lid
Non-GMO, Gluten Free, Soy Free, and Made in a NSF Certified GMP Compliant, FDA Registered Facility
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9
Nature's Bounty Niacin 500mg Flush Free, Cellular Energy Support, Supports Nervous System Health, 120 Capsules
Nature's Bounty
35% Off
Why we love it
Energy support from Niacin.
Flush-free for comfortable use.
Promotes healthy nervous system.
Main Highlights
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)
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
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
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
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8.8
Excellent
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8.8
Excellent
Nature's Bounty
Nature's Bounty Niacin 500mg Flush Free, Cellular Energy Support, Supports Nervous System Health, 120 Capsules
35% Off
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Why we love it
Energy support from Niacin.
Flush-free for comfortable use.
Promotes healthy nervous system.
Main Highlights
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)
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
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
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
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10
Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules - with Flushing, Non-GMO, Gluten Free
Nutricost
Why we love it
Potent Vitamin B3 formulation.
Fast release capsules for efficiency.
Non-GMO and gluten-free assurance.
Main Highlights
Potent 500mg of Niacin (Vitamin B3) Per Capsule
Warning: This Product Will Likely Cause the "Niacin Flush." For Non-Flush, try Niacinamide. Consuming On An Empty Stomach May Increase Flush Reaction
240 Capsules of fast release Niacin Per Bottle
Non-GMO, Gluten Free, 3rd Party Tested
Manufactured in an NSF Certified, GMP Compliant, FDA Registered Facility
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8.7
Excellent
Check Price
8.7
Excellent
Nutricost
Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules - with Flushing, Non-GMO, Gluten Free
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Why we love it
Potent Vitamin B3 formulation.
Fast release capsules for efficiency.
Non-GMO and gluten-free assurance.
Main Highlights
Potent 500mg of Niacin (Vitamin B3) Per Capsule
Warning: This Product Will Likely Cause the "Niacin Flush." For Non-Flush, try Niacinamide. Consuming On An Empty Stomach May Increase Flush Reaction
240 Capsules of fast release Niacin Per Bottle
Non-GMO, Gluten Free, 3rd Party Tested
Manufactured in an NSF Certified, GMP Compliant, FDA Registered Facility
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