Niacin Flush
FailThe top 5 products take 86% of clicks, so Niacin Flush is a Fail.
- Flapen Score
- 41 / 100Ranks 11,806 of 14,768 Health & Household niches · −8 vs the category median of 4941
- Market size
- $53K/yr40K searches / yr
- 90-day growth
- -6.7%search demand this quarter
- Competition
- 86%top-5 click share · 7 brands · 49 sellers
Flapen Score
Niacin Flush against its category
The dotted line is the Health & Household average. Past it, Niacin Flush is stronger. Inside it, weaker.
Market
The Niacin Flush market on Amazon at a glance
Shoppers on Amazon United States searched for Niacin Flush 40K times last year and spent an estimated $53K. The top 5 brands take 94% of clicks. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 9.2% of those searches ended in a purchase.
Shoppers searched for this 40K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.2% of those searches ended in a purchase. Searches in the last 90 days moved -6.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $53K a year.
- Searches, last 12 months
- 40K
- Growth, 90 days vs prior 90
- -6.7%
- Conversion, latest week
- 9.2%
- Market size, estimated
- $53Ka year
- Peak month
- April1.3× the quietest month
- Top search term
- niacin flush20K searches a year
02 · Price
A sale here is worth $14.38.
Listings sell for $14.38 on average, from $7.72 to $19.98. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 250 to 500 of them. At $14.38 that is $4K to $7K a year per listing.
- Average price
- $14.38under the $15 to $100 sweet spot
- Price range
- $7.72–$19.98
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $4K–$7K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
70% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 9.1% of listings are out of stock. The average listing ranks #464 within Vitamin B. It carries 3,554 reviews at 4.32 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 70%
- Prime listings
- 100%
- Out of stock, average day
- 9.1%
- Average rank
- #464in Vitamin B
- Average rating
- 4.32 starsAmazon United States average 4.42 stars
- Average reviews
- 3,554per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 127 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
- 127 months
Products
Top Niacin Flush 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
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

Horbach Niacin | Vitamin B3 500mg | 100 Capsules | with Flushing
- Price
- $8.48
- Rating
- 4.0/5
- Reviews
- 1,244
- Age
- 7y ago

BulkSupplements.com Niacin Powder - Vitamin B3 Supplement Niacin Flush - Gluten Free 500mg per Serving 250g (8.8 oz) (Pack of 1)
- Price
- $16.09
- Rating
- 4.4/5
- Reviews
- 1,808
- Age
- 12y 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

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

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

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

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

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

Horbach Niacin | Vitamin B3 500mg | 100 Capsules | with Flushing
- Price
- $8.48
- Rating
- 4.0/5
- Reviews
- 1,244
- Age
- 7y 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
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 86% of clicks. A locked shelf that new listings rarely crack.
Brands
7 flat
Sellers
49
Est. top-5 brand share
94%
Top 20: 100%
Est. top-5 click share
86%
Top 20: 100%
Open market
3%
- Nutricost58%
- Dr. Berg Nutritionals13%
- Horbäach10%
- BulkSupplements7%
- NOW Foods6%
- Nature's Bounty3%
- Open — no brand owns it (1 brand, 3%)
Demand
Niacin Flush search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Niacin Flush search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- niacin flush20K/yr
- niacin with flush6K/yr
- flushing niacin5K/yr
- flush niacin4K/yr
- niacin flushing3K/yr
- niacin with flushing2K/yr
- niacin 500mg flush1K/yr
Reviews and returns
What reviews say buyers love and hate about Niacin Flush
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.
18 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 Flush 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









