Top 10 Best niacin flush free in 2026

Last Updated - 6/24/2026

🏆Best Choice

Nature's Bounty

Nature's Bounty Flush Free Niacin 500 Mg, 240 Capsules (2 X 120 Count Bottles)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Flush-Free Formulation: Contains inositol hexanicotinate, a gradual-release form of vitamin B3
•Daily Serving Size: Provides 500 mg of vitamin B3 per capsule
•Value Pack: Includes two bottles with 120 capsules each, totaling 240 capsules per package
•Encapsulated Format: Easy-to-swallow capsules designed for consistent intake
•Quality Manufacturing Standards: Made by Nature’s Bounty using laboratory-tested ingredients

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$29.99

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Nature's Bounty

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

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

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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$16.99

$23.09

-26%

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NOW Foods

NOW Foods Supplements, Niacin (Vitamin B-3) 500 mg, Flush-Free, Double Strength, Nutritional Health, 180 Veg Capsules

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Contains Inositol Hexanicotinate, a form of niacin that contains six molecules of niacin linked to a single inositol molecule
•It is slowly broken down in the body to yield free niacin and inositol and this gradual release of niacin allows for true niacin activity without the characteristic niacin flush that many people cannot tolerate
•CERTIFICATIONS/CLASSIFICATIONS: Vegan/Vegetarian, Made without Gluten, Non-GMO
•Take 1 capsule daily as needed, with a meal
•Packaged in the USA by a family owned and operated company since 1968

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$22.59

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NOW Foods

NOW Foods Supplements, Niacin (Vitamin B-3) 500 mg, Flush-Free, Double Strength, Nutritional Health, 90 Veg Capsules

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•DOUBLE STRENGTH 500 mg VEGGIE CAPSULES/FLUSH-FREE: Flush-free niacin contains inositol hexanicotinate, a form of niacin that consists of six molecules of niacin linked to a single inositol molecule
•NUTRITIONAL HEALTH: Niacin (vitamin B-3) is an essential B-Complex vitamin
•CERTIFICATIONS/CLASSIFICATIONS: Vegan/Vegetarian, Made without Gluten, Non-GMO
•GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
•Packaged in the USA by a family owned and operated company since 1968

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$13.90

$23.99

-42%

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Life Extension

Life Extension No Flush Niacin, B3 for Heart Health, Cholesterol & Energy Support, Non-GMO, Gluten-Free, 100 Capsules

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Flush-free vitamin B supplement—Niacin (a.k.a. B3) supports cardiovascular health and more. But some niacin supplements can cause uncomfortable flushing. This formula contains inositol hexanicotinate to help reduce ﬂushing.
•Rev up your metabolism—Because vitamin B3 is required for your body to utilize fats and carbohydrates from the foods you eat, niacin also promotes a healthy metabolism...so you can “B” your very best!
•Get a boost with vitamin B3—Niacin is a water-soluble B vitamin crucial for energy production, particularly to help your body metabolize sugar, fat and alcohol. Niacin also helps promote healthy cellular energy production.
•Ingredients matter—We use only the finest raw ingredients with the quality and purity you deserve. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for everyone.
•Live your healthiest life—We believe the answers to a healthier life are within reach and that scientific research is the key to getting us there. That’s why so many of our formulas feature specific ingredients and amounts based on scientific studies.

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$15.00

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Nutricost

Nutricost Niacin (Flush-Free) Inositol Hexanicotinate 500mg, 120 Capsules, Vitamin B3

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Flush-Free Niacin (Vitamin B3)
•Inositol Hexanicotinate
•Non-GMO and Gluten Free
•500mg of Niacin Per Capsule, 120 Capsules
•Made in a GMP Compliant, FDA Registered Facility

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$16.95

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NOW Foods

NOW Foods Supplements, Niacin (Vitamin B-3) 250 mg, Flush-Free, Nutritional Health, 180 Veg Capsules

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Contains Inositol Hexanicotinate, a form of niacin that contains six molecules of niacin linked to a single inositol molecule
•It is slowly broken down in the body to yield free niacin and inositol and this gradual release of niacin allows for true niacin activity without the characteristic niacin flush that many people cannot tolerate
•Niacin (Vitamin B-3) is an essential B-Complex vitamin
•Take 2 capsules daily as needed, with food
•Packaged in the USA by a family owned and operated company since 1968.

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$15.10

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Micro Ingredients

Micro Ingredients Niacin 500mg Per Serving, 400 Capsules | Flush Free B3 Vitamins | Double Strength Essential B Vitamin Supplement | Skin Care Health & Energy Support | Non-GMO, Gluten Free

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Micro Ingredients offers flush-free Niacin Vitamin B3 Capsules that bypass any flushing side effects normally caused. Enjoy a double strength 500mg niacin serving with over 200 servings per bottle.
•Each bottle provides a bulk supply of 400 capsules. A value sized pack that offers essential micronutrient benefits for men and women.
•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 B vitamin supplements. Made without soy, dairy, gluten, fish, shellfish, peanuts, 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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$16.99

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Integrative Therapeutics

Integrative Therapeutics Flush-Free Niacin - Cellular Energy Support* - Helps Convert Food to Energy* - Vegan, Gluten & Dairy-Free - 60 Capsules (60 Servings)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Dietary Supplement for Active Adults: This supplement for adults provides a flush-free form of niacin
•Includes Vitamin B3: Inositol hexaniacinate is a form of niacin (vitamin B3) used in Europe for more than 30 years
•Cellular Energy Support Supplement*: This supplement with vitamin B3 helps convert food into energy and supports cellular energy production*
•Gluten-Free Supplement: Integrative Therapeutics Flush-Free Niacin contains no wheat, gluten, soy, dairy, or artificial colors, flavors, or preservatives
•About Integrative Therapeutics: For over 25 years, patients and clinicians have trusted us for our dedication to quality, potency, and accuracy; transparency around our sourcing and manufacturing processes is part of our quality promise to you

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$26.50

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Nature's Way

Nature's Way Niacinamide, Non-Flushing Vitamin B3, Supports Cellular Energy*, 500 mg per Serving, 100 Capsules (Packaging May Vary)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Nature's Way Niacinamide supports cellular energy production with the non-flushing form of vitamin B3.*
•Supports the normal breakdown of fats and release of energy from carbohydrates.*
•Adults take 1 capsule daily, preferably with food.
•Gluten-free. No wheat, corn, soy, dairy, gelatin, or artificial colors of flavors.
•At Nature's Way, we believe nature is the ultimate problem solver. For over 50 years, we have looked to the natural world for inspiration. Our quality vitamins and supplements are formulated to help you find your way to wellness

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$9.49

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