Niacin
MaybeAn estimated 0.0% of orders come back. But demand is soft, at -4.6% this quarter, so Niacin is a Maybe.
- Flapen Score
- 57 / 100Top 18% of 14,768 Health & Household niches · +8 vs the category median of 4957
- Market size
- $1.3M/yr817K searches / yr
- 90-day growth
- -4.6%search demand this quarter
- Competition
- 68%top-5 click share · 11 brands · 61 sellers
Flapen Score
Niacin against its category
The dotted line is the Health & Household average. Past it, Niacin is stronger. Inside it, weaker.
Market
The Niacin market on Amazon at a glance
Shoppers on Amazon United States searched for Niacin 817K times last year and spent an estimated $1.3M. The top 5 brands take 81% of clicks. Flapen scores it 57 out of 100, a Maybe.
01 · Demand
An estimated 11.0% of those searches ended in a purchase.
Shoppers searched for this 817K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 11.0% of those searches ended in a purchase. Searches in the last 90 days moved -4.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.3M a year.
- Searches, last 12 months
- 817K
- Growth, 90 days vs prior 90
- -4.6%
- Conversion, latest week
- 11.0%
- Market size, estimated
- $1.3Ma year
- Peak month
- January1.2× the quietest month
- Top search term
- niacin498K searches a year
02 · Price
A sale here is worth $14.65.
Listings sell for $14.65 on average, from $6.23 to $25.01. Amazon reports units sold in ranges. This niche sold 100K to 125K a year. The average listing sells 5,000 to 6,000 of them. At $14.65 that is $73K to $88K a year per listing.
- Average price
- $14.65under the $15 to $100 sweet spot
- Price range
- $6.23–$25.01
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 100K–125K
- Units per listing a year
- 5,000–6,000
- Revenue per listing a year
- $73K–$88K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
69% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #452 within Vitamin B. It carries 4,090 reviews at 4.39 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 69%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #452in Vitamin B
- Average rating
- 4.39 starsAmazon United States average 4.42 stars
- Average reviews
- 4,090per listing
- Listings tracked
- 16
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 89 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 89 months
Products
Top Niacin products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 28, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Natures Bounty Niacin 500mg Flush Free Cellular Energy Support Supports Nervous System Health 120 Capsules
- Price
- $15.82
- Rating
- 4.7/5
- Reviews
- 11,937
- Age
- 17y ago

Nutricost Niacin (Vitamin B3) 500mg 240 Capsules with Flushing GMO-Free
- Price
- $14.88
- Rating
- 4.2/5
- Reviews
- 9,951
- Age
- 10y ago

Nutricost Niacin (Vitamin B3) 100mg 240 Capsules with Flushing
- Price
- $11.94
- Rating
- 4.5/5
- Reviews
- 2,737
- Age
- 5y ago

Dr. Berg Highly-Potent Niacin 500 mg Now Only 125 mg per Capsule for Niacin Flush Tolerance Building Gradually Increase to 500mg a Day Vitamin B3 for Heart Brain & Energy Support 100 Capsules
- Price
- $19.98
- Rating
- 4.5/5
- Reviews
- 294
- Age
- 1y ago

NOW Foods Supplements Niacin (Vitamin B-3) 500 mg Sustained Release Nutritional Health 250 Tablets
- Price
- $14.06
- Rating
- 4.3/5
- Reviews
- 4,833
- Age
- 22y ago
Trending
estimated 90-day click momentum
Horbach Niacin | Vitamin B3 500mg | 100 Capsules | with Flushing
- Price
- $8.48
- Rating
- 4.0/5
- Reviews
- 1,244
- Age
- 7y ago

Life Extension Vitamin B3 Niacin Heart Health Cholesterol & Energy Support Gluten-Free Non-GMO 100 Capsules
- Price
- $6.23
- Rating
- 3.9/5
- Reviews
- 2,197
- Age
- 19y ago

NOW Foods Supplements Niacin (Vitamin B-3) 500 mg Flush-Free Double Strength Nutritional Health 180 Veg Capsules
- Price
- $22.74
- Rating
- 4.7/5
- Reviews
- 3,422
- Age
- 15y ago

Dr. Berg Highly-Potent Niacin 500 mg Now Only 125 mg per Capsule for Niacin Flush Tolerance Building Gradually Increase to 500mg a Day Vitamin B3 for Heart Brain & Energy Support 100 Capsules
- Price
- $19.98
- Rating
- 4.5/5
- Reviews
- 294
- Age
- 1y ago

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
- Price
- $14.62
- Rating
- 4.6/5
- Reviews
- 537
- Age
- 1y ago
Newest
by launch date
Dr. Berg Highly-Potent Niacin 500 mg Now Only 125 mg per Capsule for Niacin Flush Tolerance Building Gradually Increase to 500mg a Day Vitamin B3 for Heart Brain & Energy Support 100 Capsules
- Price
- $19.98
- Rating
- 4.5/5
- Reviews
- 294
- Age
- 1y ago

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
- Price
- $14.62
- Rating
- 4.6/5
- Reviews
- 537
- Age
- 1y ago

Vitamatic Niacin (Vitamin B3) 500mg 240 Tablets - Non-GMO & Gluten Free
- Price
- $9.86
- Rating
- 4.2/5
- Reviews
- 322
- Age
- 2y ago

BulkSupplements.com Niacin Capsules - Niacin Supplement Vitamin B3 - Gluten Free 1 Capsule per Serving 365 Capsules (Pack of 1)
- Price
- $18.54
- Rating
- 4.1/5
- Reviews
- 448
- Age
- 3y ago

Nutricost Niacin (Vitamin B3) 100mg 240 Capsules with Flushing
- Price
- $11.94
- Rating
- 4.5/5
- Reviews
- 2,737
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 68% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 flat
Sellers
61
Est. top-5 brand share
81%
Top 20: 100%
Est. top-5 click share
68%
Top 20: 100%
Open market
14%
- Nutricost30%
- Nature's Bounty26%
- NOW Foods10%
- Dr. Berg Nutritionals8%
- Life Extension6%
- Micro Ingredients6%
- Open — no brand owns it (5 brands, 14%)
Demand
Niacin search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Niacin search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- niacin498K/yr
- niacin 500mg96K/yr
- vitamin b3 niacin30K/yr
- b3 niacin24K/yr
- niacin supplement40K/yr
- niacin b319K/yr
- niacina22K/yr
- niacin vitamin b313K/yr
- niacin flush20K/yr
- niacin extended release 500mg6K/yr
Reviews and returns
What reviews say buyers love and hate about Niacin
We read the reviews and the return reasons for every product selling here.
“Allergic Reaction”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Niacin questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









