13 Best Niacin Extended Release 500 Mg Supplements

Discover the best niacin extended release 500 mg for smooth, steady support. Quick, clear insights to boost your supplement game effortlessly.
BrandMy RatingPrice
21st Century
Superior Budget Option
9.2/10
21st Century
Best for Flushing Sensitivity
8.8/10
Endurance Products
Best for Steady Energy
9.2/10
Niacinex
Best for Gentle Absorption
9.2/10
Now Foods
8.6/10

Best Niacin Extended Release 500 Mg

Looking for the ultimate niacin extended release 500 mg to elevate your wellness routine? Dive into our curated guide, where we unveil the top options that deliver steady, reliable support without the usual flush. Discover the perfect supplement to fuel your health journey with efficiency and ease.

Superior Budget Option: 21st Century Niacinamide

21st Century Niacinamide 500mg Prolonged Release Tablets, 110-Count, Vitamin B Complex Supplement for Energy, Heart & Nervous System Support, Non-GMO, Vegan-Friendly, Adult Daily Vitamins
Highlights
Extended release formula
No artificial additives
Supports energy metabolism

The extended release formula ensures a steady release of niacin, helping to support your energy metabolism without the harsh flush often associated with regular niacin.

Made by 21st Century, a trusted name with over 30 years of experience, it offers high-quality, non-GMO, vegan-friendly ingredients at an economy-friendly price point.

Plus, it's free from artificial additives, preservatives, and gluten, making it a safe choice for most dietary needs.

While it’s not flush-free, its reliable release profile and affordable nature make it a superior budget option for those seeking consistent B3 support without breaking the bank.

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Price history for 21st Century Niacinamide on Amazon

Best for Flushing Sensitivity: 21st Century Niacin 500mg

21st Century Niacin 500 mg Prolonged Release Tablets, 100 Count (27474)
Highlights
Affordable price
Prolonged-release formula
Easy to swallow capsules

Designed specifically for those with flushing sensitivity, these extended-release niacin capsules help keep the skin flush at bay by gradually releasing the active ingredient.

While they are not completely flush-free, they significantly reduce the intensity and frequency of flushing episodes.

Plus, with a straightforward, allergen-free formula that contains no added junk, they are safe and easy to take.

Just a heads-up—shipping heat can soften the capsules, so timely delivery is key.

Overall, if you're seeking a cost-effective way to enjoy the benefits of niacin without the uncomfortable flush, this product hits the mark.

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Price history for 21st Century Niacin 500mg on Amazon

Best for Steady Energy: Endurance Products

ENDUR-ACIN, Extended Release Niacin for Optimal Absorption & Low-Flush Vitamin B3 Niacin 500mg, Premium Niacin Supplement Made in USA, 200 Tablets
Highlights
Gentle, Low-Flush Formula
Easy-to-Swallow Tablets
Made in USA

Endur-Acin’s extended-release formula provides a consistent supply of niacin, helping maintain steady energy levels throughout the day.

Its low-flush design minimizes that sudden redness, making it gentler on the skin — a real plus for those sensitive to traditional niacin.

Plus, with easy-to-swallow tablets and a formulation crafted without harsh ingredients, it suits a variety of dietary needs.

Proudly made in the USA by a family-owned company, Endur-Acin combines quality with reliability.

Overall, it’s a solid choice for anyone seeking sustained vitality without the typical flush or jitters.

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Price history for Endurance Products on Amazon

Best for Gentle Absorption: Niacinex

Niacin 500mg Extended Time Release Tablets Minimal to No-Flush, Vitamin B3 Supplement - Cholesterol Balance, Nicotinic Acid - Vegan, cGMP, made in The USA (1 Pack)
Highlights
Minimal/no-flush formula
Supports heart health
Third-party verified

Niacinex is our go-to for gentle absorption without the dreaded flush.

The extended release design ensures the vitamin is gradually released over 6-8 hours, allowing your body to absorb all the benefits without uncomfortable skin sensations.

Plus, it supports heart health by maintaining healthy cholesterol levels, all while being vegan-friendly, allergen-free, and manufactured with transparency in the USA.

Sometimes, the extended release can cause mild discomfort, but overall, this supplement strikes a great balance between efficacy and gentleness, making it ideal for those seeking a reliable, no-flush niacin boost.

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Price history for Niacinex on Amazon

NOW Niacin 500mg

NOW Foods Supplements, Niacin (Vitamin B-3) 500 mg, Sustained Release, Nutritional Health, 250 Tablets
Highlights
Minimal flushing side effects
High-quality US packaging
Supports cardiovascular health

The sustained release formula is a game-changer—it helps minimize the common flushing and itching, making it more comfortable for everyday use.

We love that it comes from a family-owned American company with decades of experience, which adds a layer of trust and quality assurance.

To get the best results, the key is consistent use—taking one tablet daily with a meal helps maintain steady levels and supports your cardiovascular health.

While some users might experience a skinburn sensation or more intense flushing initially, starting slow and gradually increasing dosage can help ease those effects.

Overall, this high-quality niacin is a reliable choice for boosting your health without the discomfort.

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Price history for NOW Niacin 500mg on Amazon

Doctor's Best Niacin

Doctors Best Sustained-Release Niacin with niaXtend, Supports Heart Health, Non-GMO, Gluten Free, Vegan 120 Tablets
Highlights
Effective for flushing reduction
Supports metabolism health
Long-lasting release

The Real Niacin Extended Release 500 mg effectively delivers the benefits of vitamin B3 while minimizing the notorious skin flushing.

Thanks to its 8-hour sustained release, you get a steady boost in energy and support for metabolism without the usual discomfort.

The large tablets may take a bit of getting used to, but their long-lasting action makes them worth it.

Just be mindful of potential liver impacts and allergic reactions — always consult your healthcare provider if you have concerns.

Overall, it's a solid choice for sustained, flush-free niacin support.

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Nutricost Niacin 500mg Niacin Extended Release 500 Mg

Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules - with Flushing, Non-GMO, Gluten Free
Highlights
Potent 500mg dose
Non-GMO & Gluten-Free
Third-party tested

The potent 500mg dose packs a punch, perfect for those who want a strong niacin boost.

Made with non-GMO, gluten-free ingredients, and third-party tested, it meets high-quality standards.

However, be prepared for the classic "niacin flush" — a warm, tingling sensation that can be intense, especially on an empty stomach.

While some users might experience dizziness or skin reactions, the efficacy and rigorous testing make it a top choice for supplement enthusiasts ready to embrace the flush and reap the benefits of Vitamin B3.

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Nature's Blend

Nature's Blend Niacin Timed Release 500 mg 500 mg 300 Tabs
Highlights
Reduces flushing
Supports heart health
Easy to swallow

Nature's Blend Niacin Timed Release smartly gradually releases niacin, helping to lessen those pesky flushes many of us dread.

It supports heart health by promoting healthy lipid levels, making it a solid choice for cardiovascular wellness.

Plus, it’s easy to swallow, which is a win for those who dislike pills.

However, a few users still experience mild flushing, and noting the allergen (abalone) is important if you have allergies.

Overall, this supplement offers a reliable, well-balanced dose in a user-friendly form — a great addition to your health routine.

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Designs for Health Niacin 500mg

Designs for Health Niacin 500mg - Niacin CRT Vitamin B3 (Nicotinic Acid), Controlled Slow Release Tablets to Help Minimize Flush - Non-GMO, Gluten Free Supplement (60 Tablets)
Highlights
Supports healthy blood lipids
Slow, consistent release
High-quality, non-GMO

We love that it offers a therapeutic dose of niacin in a carefully designed slow-release format, which helps to minimize the typical flushing or itching that comes with immediate-release versions.

Designed by Designs for Health, it upholds high standards—being Non-GMO, gluten-free, and vegetarian-friendly, ensuring quality with every capsule.

The uniform 6-8 hour release means steady support for healthy blood lipids and circulation without sudden spikes.

While it’s on the pricier side, the clinically-trusted quality and trusted reputation make it a smart choice for those serious about their supplement game.

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Price history for Designs for Health Niacin 500mg on Amazon

Vital Nutrients Niacin 500mg Niacin Extended Release 500 Mg

Vital Nutrients Niacin 500mg | Timed-Release Niacin Supplement for Men & Women | Vitamin B3 Supports Heart Health and Protein & Fat Metabolism | Gluten, Dairy, Soy Free | Non-GMO | 90 Tablets
Highlights
Minimal flushing effect
Supports heart health
Third-party tested

Vital Nutrients' Niacin Extended Release 500 mg delivers a steady, slow-release dose that minimizes the notorious "flush" most people fear.

Perfect for those with sensitive skin, it supports heart health and energy metabolism without harsh side effects.

The clean, vegan formula is free from common allergens and artificial fillers, appealing to health-conscious consumers.

With third-party testing ensuring top-tier quality and potency, we feel confident recommending it for sustained cardiovascular and metabolic support.

Keep in mind, some might experience easy bruising or mild flushing, but overall, it’s a reliable choice you can trust.

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Price history for Vital Nutrients Niacin 500mg on Amazon

Nature's Bounty Niacin 500mg

Nature's Bounty Niacin 500mg Flush Free, Cellular Energy Support, Supports Nervous System Health, 120 Capsules
Highlights
Flush free formula
Supports nervous system
High customer satisfaction

Nature's Bounty Niacin offers luckily a flush-free formula using Inositol Hexanicotinate, making it gentler on the skin while still delivering essential cellular energy support.

It’s a trustworthy choice from a brand with over 50 years of expertise, backed by positive customer reviews.

While some might wish for more detailed potency info, the broad wellness benefits—support for the nervous system and energy conversion—make this a reliable, cost-effective addition to your daily routine.

Overall, it’s a solid option for those seeking a balance of quality and value in their Niacin supplement.

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Price history for Nature's Bounty Niacin 500mg on Amazon

Endurance Products B3 Niacin

B3 Plain Niacin - 500mg Immediate Release Vitamin B-3 with Flush - Nicotinic Acid 100 Tablets - Non-GMO, Vegan, Gluten Free
Highlights
Gradual release formula
Clinically proven heart benefits
Vegan/Vegetarian safe

The gradual release of 500mg of niacin means you get steady, targeted heart health benefits without the harsh flush typical of immediate-release formulas.

The proprietary vegetable wax matrix helps release the niacin over an hour, providing a smoother experience.

Plus, it’s vegan/vegetarian safe and free from common allergens, making it inclusive for many.

While some users might experience minor flushing or skin itchiness—especially at higher doses—the clinically supported benefits for cholesterol and circulation make this an excellent choice for daily support.

Overall, we think it balances efficacy and comfort nicely.

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Price history for Endurance Products B3 Niacin on Amazon

Dr. Berg Niacin 500mg Niacin Extended Release 500 Mg

Dr. Berg Niacin 500mg with Flushing for Heart Health & Energy Support* - 100-Day Supply Vitamin B3 Niacin from Dr. Berg Recommended Nicotinic Acid - 100 Capsules
Highlights
Supports cardiovascular health
Long-lasting 100-day supply
Effective energy boost

Dr.

Berg's Niacin Extended Release 500 mg offers a robust formula designed to support your cardiovascular health and boost cellular function.

With a 100-day supply, it’s perfect for longer-term use, ensuring you stay stocked without frequent reorders.

The extended-release feature minimizes flushing compared to immediate-release options, but be mindful—flushing, tingling, or itching can still occur, especially on an empty stomach.

Overall, it's a solid choice for those seeking energy support and cardiovascular benefits, but always start conservatively to gauge your tolerance.

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Price history for Dr. Berg Niacin 500mg on Amazon

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