Issue #142471 • 21 December 2025

Vitamin B3 Supplements: Boost Your Health hero background
supplement comparison

Unlock Your Metabolism Today

Explore top Vitamin B3 supplements for enhanced health and vitality

Content last updated 21 December 2025

Introduction

Vitamin B3 supplements are gaining traction, and for good reason. This vital nutrient is not only instrumental in supporting metabolism but also plays a significant role in cardiovascular health. With the increasing focus on wellness, many individuals are looking to enhance their intake of niacin through supplements. These products can help bridge dietary gaps, especially for those who may not get enough B3 from their food sources. As an essential nutrient, Vitamin B3 aids in energy production and contributes to the overall functioning of the body. The growing interest in health supplements underscores the importance of understanding how to choose the right products. In this article, we will explore a comprehensive comparison of nine top Vitamin B3 supplements available in the UK, highlighting their benefits, price ranges, and market trends, ensuring you find the perfect fit for your health goals.

I've examined countless options on Amazon to bring you this carefully selected lineup of exceptional products.

At a Glance

Nutricost B3 500mg
🏆 Best Overall ⭐ Top Rated

4.6 out of 5 stars (17,812 reviews)
Nutricost Vitamin B3 Niacinamide 500mg 240 Capsules
Nutricost Vitamin B3 Niacinamide stands out for its impressive formulation, providing 500mg per capsule. It is well-regarded for its non-flush formula, making it more tolerable for users sensitive to the flush effect commonly associated with niacin. With over 17,800 reviews and a high rating of 4.6 out of 5, it demonstrates a strong market presence and user satisfaction, particularly for those seeking to enhance their energy levels and cardiovascular health.

Overview of Nutricost Vitamin B3 Niacinamide 500mg

Nutricost Vitamin B3 Niacinamide is formulated to support metabolism and cardiovascular health. Each capsule delivers 500mg of niacinamide, which is the preferred form of vitamin B3 for many users due to its minimal side effects compared to traditional niacin. This supplement is particularly beneficial for those looking to improve their energy levels without the flushing sensation that can accompany niacin intake. The capsules are gluten-free, non-GMO, and soy-free, which makes them accessible for a wide range of dietary preferences. Additionally, the product is manufactured in an FDA-registered facility, ensuring high standards of quality and safety.

What We Love
  • High strength at 500mg per capsule
  • Gluten free, Non-GMO, and soy free
  • No niacin flush for comfort
  • Premium quality from a reputable brand
  • Excellent user ratings (4.6/5)
  • Large quantity of 240 capsules for long-term use
The Drawbacks
  • May cause mild digestive upset in some individuals
  • Capsule size may be large for some users
  • Not suitable for those with specific allergies

Carlyle B3 500mg
⭐ Top Rated Prime

4.3 out of 5 stars (295 reviews)
Carlyle Vitamin B3 Nicotinamide 500mg 180 Vegan Tablets
Carlyle's Vitamin B3 Nicotinamide offers an effective and budget-friendly option for those looking to boost their vitamin B3 intake. Each tablet contains 500mg of niacinamide, meeting the NHS recommended daily amount, making it a convenient choice for health-conscious consumers. The flush-free formula ensures that users can benefit from vitamin B3 without the uncomfortable flushing often associated with other forms. With over 295 reviews and a solid rating of 4.3 out of 5, Carlyle is positioned as a reliable option for both vegetarians and vegans looking to enhance their wellness regime.

Overview of Carlyle Vitamin B3 Nicotinamide

Carlyle Vitamin B3 Nicotinamide is designed with the health-conscious consumer in mind. This supplement provides 500mg of niacinamide per tablet, which is the recommended daily intake for adults. The vegan-friendly formula and flush-free benefits make it an attractive option for those who want to avoid the unpleasant flushing sensation. Additionally, Carlyle emphasizes purity and potency, which is backed by detailed specifications and quality assurance. This product is free from artificial colours, flavours, or preservatives, making it suitable for a variety of dietary preferences. Overall, it offers a convenient way to include essential vitamin B3 in daily nutrition without compromising on quality.

What We Love
  • Vegan and vegetarian-friendly
  • Flush-free formula for comfort
  • Contains the NHS-recommended daily amount
  • Expertly crafted for purity and potency
  • Affordable pricing makes it accessible
  • Good user rating (4.3/5)
The Drawbacks
  • Limited number of tablets per bottle (180)
  • Some users may prefer a higher dosage
  • Not suitable for those allergic to specific ingredients

Health4All B3 90caps
🚀 Best Premium 🎯 Editor's Choice ⭐ Top Rated

4.5 out of 5 stars (2,022 reviews)
Health4All Vitamin B3 Niacinamide 500mg 90 Capsules
Health4All Vitamin B3 Niacinamide is an excellent choice for consumers seeking a pure and effective supplement. With 500mg of niacinamide per capsule, it is designed to support metabolism and overall health without causing the flushing effect. The product has garnered positive feedback with a rating of 4.5 out of 5 from over 2,022 reviews, highlighting its effectiveness and user satisfaction. Additionally, its vegan and gluten-free formulation makes it suitable for a wide range of dietary preferences, appealing to those committed to clean eating.

Overview of Health4All Vitamin B3 Niacinamide

Health4All offers a high-quality Vitamin B3 supplement in the form of niacinamide, providing 500mg per capsule. This product is specifically designed to avoid the flushing effect commonly associated with niacin, making it a comfortable option for users. With a focus on purity, there are no unnecessary additives, ensuring that consumers receive a clean and effective supplement. The capsules are also vegan and gluten-free, catering to diverse dietary needs. The positive user feedback and competitive pricing further enhance its appeal, making it a strong contender in the Vitamin B3 market. Overall, it is a reliable choice for those looking to enhance their health and wellbeing.

What We Love
  • Pure formula with no additives
  • Vegan and gluten-free
  • No-flush niacin for comfortable use
  • Good user rating (4.5/5)
  • Made in the UK for quality assurance
  • Affordable price point
The Drawbacks
  • Smaller capsule count may lead to frequent repurchasing
  • Some users may require higher dosages
  • Limited product variety in terms of sizes

Health4All B3 180caps
⚡ Best Performance ⭐ Top Rated

4.5 out of 5 stars (2,022 reviews)
Health4All Vitamin B3 Niacinamide 500mg 180 Capsules
Health4All's Vitamin B3 Niacinamide offers a larger supply with 180 capsules, perfect for users who wish to maintain their intake without frequent reordering. The formulation remains focused on purity, featuring no additives and presenting a flush-free experience. With a commendable rating of 4.5 out of 5 based on over 2,022 reviews, this supplement is well-received for its quality and effectiveness. It is also vegan and gluten-free, making it a solid option for individuals with dietary restrictions or preferences.

Overview of Health4All Vitamin B3 Niacinamide 180 Capsules

The Health4All Vitamin B3 Niacinamide 500mg is designed for those looking to enhance their vitamin B3 intake comfortably. Each capsule provides the same effective dosage as the 90 capsule variant but offers a more substantial supply for regular users. The absence of additives ensures a clean supplement experience, and the no-flush formula makes it suitable for users sensitive to niacin's common side effects. This product’s vegan and gluten-free status further widens its appeal, catering to a variety of dietary needs. Overall, it combines quality and quantity, making it a compelling choice for health-conscious consumers.

What We Love
  • Larger quantity of 180 capsules
  • Pure and additive-free formula
  • Vegan and gluten-free
  • No-flush niacin for easy consumption
  • Strong user rating (4.5/5)
  • Affordable price for quantity
The Drawbacks
  • Similar to the 90 capsule variant but larger quantity
  • May require regular ordering due to usage
  • Not suitable for those with certain allergies

Horbaach B3 500mg
💰 Best Value ⭐ Top Rated

4.4 out of 5 stars (762 reviews)
Horbaach Vitamin B3 Niacin 500mg 90 Vegan Capsules
Horbaach Vitamin B3 Niacin offers a vegan-friendly option for those looking for a flush-free niacin supplement. Each capsule contains 500mg of niacin, making it a suitable choice for individuals who wish to enhance their Vitamin B3 intake. The product features resealable and recyclable packaging, appealing to environmentally conscious consumers. With a commendable rating of 4.4 out of 5 based on 762 reviews, it demonstrates solid user satisfaction and effectiveness, particularly for those seeking to improve their energy levels and overall health.

Overview of Horbaach Vitamin B3 Niacin

Horbaach has developed a Vitamin B3 Niacin supplement that stands out for its vegan formulation and flush-free properties. Each capsule contains 500mg of niacin, which is beneficial for energy metabolism and overall wellness. The resealable and recyclable packaging reflects a commitment to sustainability, making this a conscientious choice for consumers. With positive user feedback and an accessible price point, this product is ideal for those seeking to integrate Vitamin B3 into their daily routine without the discomfort of flushing. Overall, it combines effectiveness with environmental awareness, catering to modern consumer values.

What We Love
  • Vegan-friendly formulation
  • Flush-free niacin for comfort
  • Resealable and recyclable packaging
  • Good user rating (4.4/5)
  • Affordable price point
  • Provides a 3-month supply
The Drawbacks
  • Smaller capsule count may not be ideal for long-term use
  • Some users may prefer a higher dosage
  • Limited product variations

Vegavero B3 500mg
⭐ Top Rated

4.4 out of 5 stars (628 reviews)
Vegavero Vitamin B3 Nicotinamide 500mg 180 Capsules
Vegavero's Vitamin B3 Nicotinamide offers a premium option for consumers seeking a high-quality supplement. Each capsule contains 500mg of niacinamide, designed to support metabolic processes without the flushing effects. The product is lab-tested to ensure quality and comes in a vegan formulation, appealing to those with dietary restrictions. With a commendable rating of 4.4 out of 5 based on 628 reviews, it represents a reliable choice for health-conscious individuals looking for a trustworthy Vitamin B3 supplement.

Overview of Vegavero Vitamin B3 Nicotinamide

The Vegavero Vitamin B3 Nicotinamide 500mg is formulated to provide a potent dose of niacinamide while ensuring that users avoid the uncomfortable flushing sensations associated with traditional niacin. The absence of additives and fillers highlights its purity, making it suitable for those with sensitivities. Additionally, the product is lab-tested, providing an extra layer of quality assurance for consumers. This vegan supplement caters to a modern audience that values both health and environmental responsibility. With positive feedback and a strong reputation, Vegavero stands as a notable player in the Vitamin B3 market, particularly for those prioritising quality.

What We Love
  • Lab-tested for quality assurance
  • Flush-free formula for comfort
  • No additives or fillers
  • Vegan and environmentally conscious
  • Good user rating (4.4/5)
  • Suitable for sensitive individuals
The Drawbacks
  • Limited user feedback compared to larger brands
  • Some users may require higher dosages
  • Not widely available in retail locations

Health4All B3 180tabs
⭐ Top Rated

4.4 out of 5 stars (538 reviews)
Health4All Vitamin B3 Nicotinamide 500mg 180 Tablets
Health4All's Vitamin B3 Nicotinamide provides a reliable supplement option for those seeking to enhance their vitamin B3 intake. Each tablet contains 500mg of niacinamide, and the product is praised for its no-flush formula, making it comfortable for consumption. With a user rating of 4.4 out of 5 based on 538 reviews, it demonstrates solid customer satisfaction. The product is also vegan and gluten-free, catering to a variety of dietary needs, making it a practical choice for a broad audience.

Overview of Health4All Vitamin B3 Nicotinamide Tablets

This Health4All Vitamin B3 Nicotinamide supplement is designed to meet the daily requirements for vitamin B3 in a comfortable and effective manner. Each tablet delivers 500mg of niacinamide, ensuring that users receive the benefits without the flushing effect that can accompany other forms of niacin. The product's vegan and gluten-free status enhances its appeal, making it suitable for diverse dietary practices. With strong positive feedback and an accessible price point, this supplement is ideal for those seeking to improve their health and wellbeing through a reliable source of vitamin B3.

What We Love
  • Good quantity of 180 tablets
  • Vegan and gluten-free
  • No-flush formula for comfort
  • Strong user rating (4.4/5)
  • Affordable pricing
  • Suitable for long-term use
The Drawbacks
  • Smaller capsule count may not be ideal for long-term use
  • May not be suitable for all dietary preferences
  • Limited brand recognition compared to others

Vitamin B3 Niacin 50mg
⭐ Top Rated

4.6 out of 5 stars (137 reviews)
Vitamin B3 Niacin/Nicotinic Acid 50mg 90 Capsules
This Vitamin B3 Niacin/Nicotinic Acid supplement offers a lower dosage of 50mg per capsule, which may appeal to users looking for a more gradual approach to vitamin B3 supplementation. The product boasts an impressive rating of 4.6 out of 5, indicating strong user satisfaction. Its affordability makes it an attractive option for those exploring vitamin B3's benefits without significant financial commitment. This product is also free from magnesium stearate and other additives, enhancing its appeal for consumers seeking cleaner formulations.

Overview of Vitamin B3 Niacin/Nicotinic Acid

The Vitamin B3 Niacin/Nicotinic Acid supplement provides a gentler introduction to vitamin B3, with each capsule containing 50mg. This lower dosage can be beneficial for users who prefer a subtler approach without overwhelming their system. The flush effect associated with niacin can be a desirable feature for some individuals looking for increased circulation. With high user ratings and a focus on quality—being made in Wales—this product offers a budget-friendly option for those wishing to explore the benefits of vitamin B3. Overall, it caters to a niche market looking for affordability and accessibility.

What We Love
  • Affordable pricing
  • Flush effect may be desirable for some users
  • Free from magnesium stearate and additives
  • Good user rating (4.6/5)
  • Made in Wales for local quality assurance
The Drawbacks
  • Lower dosage may not be suitable for all users
  • Limited quantity per container
  • Not suitable for those with specific allergies

Alpha01 B3 500mg
⭐ Top Rated

4.4 out of 5 stars (169 reviews)
Vitamin B3 Nicotinamide 500mg 90 Vegan Capsules
Alpha01's Vitamin B3 Nicotinamide offers a compelling option for consumers seeking a no-flush formulation of this essential vitamin. Each capsule contains 500mg of niacinamide, providing a generous daily dose in a convenient vegan format. With a strong rating of 4.4 out of 5 based on 169 reviews, it reflects positive user experiences. The resealable and recyclable pouch is an added benefit for those concerned about sustainability, making this product a thoughtful choice for environmentally conscious consumers.

Overview of Alpha01 Vitamin B3 Nicotinamide

The Vitamin B3 Nicotinamide from Alpha01 is designed for those who require the benefits of niacinamide without the discomfort of flushing. Each capsule provides 500mg, aligning with daily recommended intakes. The product’s vegan formulation ensures it is suitable for a variety of dietary preferences, enhancing its marketability. The resealable and recyclable packaging demonstrates a commitment to environmentally friendly practices, appealing to modern consumers. With solid user feedback and an accessible price point, this supplement is positioned well within the vitamin B3 market for those looking to improve their overall health and wellbeing.

What We Love
  • Affordable pricing
  • No-flush formula for comfort
  • Resealable and recyclable pouch
  • Good user rating (4.4/5)
  • Vegan-friendly
  • Provides a convenient daily dose
The Drawbacks
  • Limited quantity may require frequent purchases
  • Some users may prefer higher dosages
  • Brand recognition is lower compared to competitors

Frequently Asked Questions

The Nutricost B3 500mg is priced at GBP15.49 for 240 capsules, while the Carlyle B3 500mg is more budget-friendly at GBP9.49 for 180 tablets. If you're looking for a higher quantity at a slightly lower per-unit cost, the Nutricost B3 500mg may be more suitable, but if you're on a budget, consider the Carlyle B3 500mg.

The Health4All B3 180caps provides 180 capsules, making it a good choice for long-term use, while the Health4All B3 90caps offers 90 capsules. Consider your daily dosage and how often you plan to take the supplement when choosing between these options.

The Carlyle B3 500mg contains Nicotinamide, recommended by the NHS as a daily intake, while the Vegavero B3 500mg is also a popular choice for its flush-free formula. If avoiding flush is important to you, consider the Nutricost B3 500mg or Vegavero B3 500mg for no-flush options.

The Health4All B3 90caps and Health4All B3 180caps are both vegan and gluten-free, making them suitable for various dietary requirements. If you have specific dietary preferences, check the labels for any allergens to ensure compatibility with your needs.

The Nutricost B3 500mg has a higher customer rating of 4.6/5.0 compared to the Carlyle B3 500mg's 4.3/5.0, indicating greater user satisfaction. If product efficacy and customer feedback are key to your decision, the Nutricost B3 500mg may be the better choice.

The Horbaach B3 500mg is noted for being flush-free, which is beneficial for users sensitive to the flush effect of Niacin. If you experience discomfort with flush, opt for products like the Nutricost B3 500mg or Horbaach B3 500mg that specifically mention this feature.

Conclusion

When selecting your Vitamin B3 supplement, consider factors such as dosage, formulation, and brand reputation. Look for products that offer third-party testing to ensure quality and efficacy. It's also wise to consult with a healthcare professional to determine the most suitable option for your specific health needs. Remember, a well-informed choice can significantly impact your wellness journey. Embrace the power of Vitamin B3 and elevate your health today!

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