September 5, 2025

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10 Best niacin supplements of 2025

Save up to 45% off

Best Choice

1

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

Non-Flushing Vitamin B3 Benefits
Provides a non-flushing form of Vitamin B3 for joint and skin health, and supports restful sleep.

Ideal for Skin and Joint Health
Perfect for those looking to improve skin and joint health naturally.

Wound Healing Success
Praised for aiding in wound healing, as recommended by healthcare professionals.
9.9

Exceptional

Our Rating

9.9
Flavor

9.7
simple to consume

9.5
worth the money
How do we rank?

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Careful review Our team ensures quality, value, and fit based on real user feedback

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Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

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

15% Off
Main highlights

Energy and Nervous System Support
Nature's Bounty Niacin provides cellular energy and supports nervous system health with a flush-free formula.

Ideal for Mood and Energy Boost
Perfect for individuals seeking mood enhancement and increased energy levels without skin flushing.

Praised for Flush-Free Formula
Customers love the flush-free formula that avoids common niacin side effects like skin flushing.
Key specs
- Formulation:Flush Free Formula
- Origin:USA
- Non-GMO:N/A
- Serving Size:N/A
- Capsule Count:N/A
9.6

Exceptional

Our Rating

9.5
simple to consume

9.5
worth the money

9.1
Flavor
3

NOW Foods
NOW Foods Supplements, Niacin (Vitamin B-3) 500 mg, Sustained Release, Nutritional Health, 250 Tablets

45% Off
Main highlights

Essential B-Vitamin for Health
Niacin Vitamin B-3 is crucial for maintaining overall health.

Ideal for Cholesterol Management
Sustained release niacin helps manage cholesterol with minimized flushing.

Consistent Quality and Value
Praised for consistent quality, minimizing flushing compared to other brands.
9.4

Excellent

Our Rating

8.7
simple to consume

8.0
worth the money

8.0
Comfort
4

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

100mg Niacin With Flush Benefits
Each capsule contains 100mg of Niacin, known for its flushing effect, aiding in improved blood flow and cholesterol management.

Ideal For Niacin Protocols
Best for users seeking the benefits of niacin flushing in their dietary or health protocols.

Consistent Quality And Effectiveness
Praised for reliability, immediate release, and non-GMO, gluten-free formulation.
Key specs
- Formulation:Immediate release Niacin
- Origin:GMP Compliant Facility
- Non-GMO:Yes
- Serving Size:100mg per capsule
- Capsule Count:240 capsules
9.3

Excellent

Our Rating

9.3
simple to consume

9.3
worth the money

8.2
Absorbency
5

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

High Potency Niacin
Potent 500mg of Niacin per capsule for effective results.

Ideal for Energy Boost
Best for improving energy levels and reducing muscle fatigue.

Customer Praised Energy Boost
Users appreciate increased energy and reduced muscle fatigue.
Key specs
- Formulation:Capsule
- Origin:USA
- Non-GMO:Yes
- Serving Size:500mg Niacin
- Capsule Count:240 Capsules
9.2

Excellent

Our Rating

8.7
simple to consume

8.2
worth the money

8.0
Flavor
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6

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

Flush-Free Niacinamide Benefits
Provides 500mg of Vitamin B3 without causing the niacin flush.

Ideal for Energy and Focus
Perfect for enhancing mental clarity and reducing procrastination.

Highly Rated for Skin Improvement
Praised for diminishing wrinkles and improving skin appearance.
8.9

Very Good

Our Rating

9.5
simple to consume

9.3
worth the money

9.3
Flavor
7

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

Supports Heart Health and Metabolism
Contains inositol hexanicotinate to reduce flushing, supports cardiovascular health, and boosts metabolism.

Ideal for Cholesterol Management
Perfect for those seeking to lower cholesterol with a daily supplement.

Praised for Reducing Swelling
Customers report reduced swelling in feet and ankles.
8.7

Very Good

Our Rating

8.9
worth the money

8.4
simple to consume
8

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
8.6

Very Good

Our Rating
9

21st Century
21st Century Niacinamide 500 mg Prolonged Release Tablets, 110 Count
Main highlights

Prolonged Release Benefits
Slowly releases nutrients for sustained energy and skin support.

Ideal for Energy and Digestive Health
Best for those needing energy boost and digestive support.

Praised for Value
Customers appreciate the good value for energy and circulatory support.
8.4

Good

Our Rating

9.7
worth the money

9.1
simple to consume

9.1
Flavor
10

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

38% Off
Main highlights

Flush-Free Niacin Benefits
Provides niacin without the uncomfortable flush, promoting cardiovascular health.

Ideal for Cholesterol Management
Best used for maintaining healthy cholesterol levels without statins.

Gluten-Free Assurance
Praised for being gluten-free, suitable for celiac disease patients.
Key specs
- Formulation:Veggie Capsules
- Origin:USA
- Non-GMO:Yes
- Serving Size:500 mg
- Capsule Count:N/A
8.3

Good

Our Rating

9.7
worth the money

9.5
simple to consume

9.5
Flavor

10 Best niacin supplements of 2025

1

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

9.9

9.7

9.5

How do we rank?

How do we rank?

Analyzing top stores

2

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

9.5

9.5

9.1

3

NOW Foods Supplements, Niacin (Vitamin B-3) 500 mg, Sustained Release, Nutritional Health, 250 Tablets

8.7

8.0

8.0

4

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

9.3

9.3

8.2

5

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

8.7

8.2

8.0

6

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

9.5

9.3

9.3

7

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

8.9

8.4

8

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

9

21st Century Niacinamide 500 mg Prolonged Release Tablets, 110 Count

9.7

9.1

9.1

10

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

9.7

9.5

9.5

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