Best Niacin B3 In September 2026

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With the number of alternatives available on the market, getting the right one could sometimes be a difficult task.. That’s why our platform is dedicated to product testing and coming up with this list of top 10 Best Niacin B3. Having done thorough research on this topic, we hope that our list will help you find the one you need!

To help you in your search, we have completed this list of the Best Niacin B3.

Top Rated Best Niacin B3 Of 2026

Rank	Product Name	Score
1	Nutricost Niacinamide (Vitamin B3) 500mg, 240 Capsules - Non-GMO, Gluten Free, Flush Free Buy Now	9.7 Buy Now
2	Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules Buy Now	9.5 Buy Now
3	NOW Supplements, Niacin (Vitamin B-3) 500 mg, Flush-Free, Double Strength, Nutritional Health, 90 Buy Now	9.1 Buy Now
4	Nutricost Niacin Vitamin B3 Powder 250 Grams - 1G Per Serving - Pure Buy Now	8.8 Buy Now
5	Solgar - Niacin (Vitamin B3) 500 mg, 250 Vegetable Capsules Buy Now	8.6 Buy Now
6	Niacin 1000mg 100 Capsules | Non-GMO, Gluten Free | Vitamin B3 | Buy Now	8.3 Buy Now
7	NOW Foods - Niacin Nutritional Health 500 mg. - 250 Tablets Buy Now	8.1 Buy Now
8	Bulksupplements Niacin (Vitamin B3) Powder (100 Grams) Buy Now	7.8 Buy Now
9	Solgar, Niacin Vitamin B3 500 Mg Vegetable Capsules, 100 Count Buy Now	7.5 Buy Now
10	Liquid Vitamin B3 Drops Liquid Niacin Drops, Helps Support Healthy Cholesterol Levels, Alcohol-Free Buy Now	7.2 Buy Now

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

• 500mg of vitamin b3 (niacinamide) per capsule
• High quality vitamin b3 - niacinamide. may have white or blue lid
• Non-gmo, gluten free, and made in a gmp compliant, fda registered facility
• Get the benefits of vitamin b3 without the "niacin flush"
• 240 capsules of niacinamide per bottle

2. Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules

• Potent 500mg of niacin (vitamin b3) per capsule
• Warning: will likely cause "niacin flush." for non-flush, try niacinamide. consuming on an empty stomach may increase flush reaction
• 240 capsules of immediate release niacin per bottle
• Non-gmo, gluten free, 3rd party tested
• Made in a gmp compliant, fda registered facility

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

• Nutritional health: niacin (vitamin b-3) is an essential b-complex vitamin.
• 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).
• Certifications/classifications: vegan/vegetarian, made without gluten, non-gmo
• Packaged in the usa by a family owned and operated company since 1968
• 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. it is slowly broken down in the body to yield free niacin and inositol. this gradual release of niacin allows for true niacin activity without the characteristic niacin flus...

4. Nutricost Niacin Vitamin B3 Powder 250 Grams - 1G Per Serving - Pure

• Non-gmo, gluten free, 3rd party tested
• Made in a gmp compliant, fda registered facility
• Warning: will likely cause "niacin flush." for non-flush, try niacinamide
• 250 grams of pure vitamin b3 (niacin) powder per bottle
• Consuming on an empty stomach may increase flush reaction

5. Solgar - Niacin (Vitamin B3) 500 mg, 250 Vegetable Capsules

• What is niacin: also known as vitamin b3, niacin is a water soluble vitamin that is also a part of the vitamin b-complex
• How it helps: niacin/vitamin b3 is required for the metabolism of carbohydrates as well as the metabolism of proteins into energy. this vitamin also supports circulation as well as cardiovascular and nervous system health
• Suitable for vegetarians: these non-gmo vegetable capsules are vegan, certified gluten free and are free of wheat, dairy, soy, yeast, sugar, sodium. they are also free of artificial flavors, sweeteners, preservatives and colors

6. Niacin 1000mg 100 Capsules | Non-GMO, Gluten Free | Vitamin B3 |

• Our niacin vitamins deliver max potency and are pure, ready to nourish the body
• Horbaach niacin 1000 mg, also known as vitamin b3, is a non-gmo and gluten-free supplement
• Niacin also supports nervous system health and energy metabolism*
• Our quick-release niacin capsules contain 1,000 mg per serving in one convenient capsule
• Niacin pills help maintain cholesterol levels already within a normal range*

7. NOW Foods - Niacin Nutritional Health 500 mg. - 250 Tablets

• Sustained release to minimize flushing: niacin supplements may sometimes temporarily cause flushing and/or itching, but this sustained release tablet should minimize those symptoms. to further limit these uncomfortable but not dangerous symptoms, take daily and avoid missing doses.
• Certifications/classifications: soy free, made without gluten, dairy free, egg free, nut free, kosher, vegan/vegetarian
• Packaged in the usa by a family owned and operated company since 1968
• Niacin 500 mg tablets/vitamin b-3: niacin (vitamin b-3) is an essential b-group vitamin necessary for good health.
• 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).

8. Bulksupplements Niacin (Vitamin B3) Powder (100 Grams)

• Factory-sealed foil zip pouch
• Clean & pure powder. no fillers.
• Metabolic support
• Lab tested for verification & guaranteed purity
• Essential nutrient

9. Solgar, Niacin Vitamin B3 500 Mg Vegetable Capsules, 100 Count

• What is niacin: also known as vitamin b3, niacin is a water soluble vitamin that is also a part of the vitamin b-complex
• How it helps: niacin/vitamin b3 is required for the metabolism of carbohydrates as well as the metabolism of proteins into energy. this vitamin also supports circulation as well as cardiovascular and nervous system health
• Suitable for vegetarians: these non-gmo vegetable capsules are vegan, certified gluten free and are free of wheat, dairy, soy, yeast, sugar, sodium. they are also free of artificial flavors, sweeteners, preservatives and colors

10. Liquid Vitamin B3 Drops Liquid Niacin Drops, Helps Support Healthy Cholesterol Levels, Alcohol-Free

• Alcohol-free and cold-pressed to protect compounds that can be destroyed by heat and alcohol.
• Manufactured in the usa - herb-science products are manufactured in the usa. no fillers, gluten, soy, milk, egg and no artificial preservatives
• Natural ingredients - made with pure niacin, natural vegetable glycerin and water
• Helps support healthy cholesterol levels -as a dietary supplement, vitamin b3 supports your circulation, immune system, metabolism and more.
• Amount per serving - 1 dropper (0.8ml) has 80 mg ne of niacin