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Niacinamide Supplement

Maybe

An estimated 0.0% of orders come back. But the top 5 products take 79% of clicks, so Niacinamide Supplement is a Maybe.

Flapen Score
50
50 / 100
Top 44% of 14,768 Health & Household niches · +1 vs the category median of 49
Market size
$947K/yr467K searches / yr
90-day growth
-1.2%search demand this quarter
Competition
79%top-5 click share · 10 brands · 73 sellers

Flapen Score

Niacinamide Supplement against its category

The dotted line is the Health & Household average. Past it, Niacinamide Supplement is stronger. Inside it, weaker.

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Niacinamide Supplement market on Amazon at a glance

Shoppers on Amazon United States searched for Niacinamide Supplement 467K times last year and spent an estimated $947K. The top 5 brands take 86% of clicks. Demand peaks in Nov. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

An estimated 13.7% of those searches ended in a purchase.

Shoppers searched for this 467K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.7% of those searches ended in a purchase. Searches in the last 90 days moved -1.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $947K a year.

Searches, last 12 months
467K
Growth, 90 days vs prior 90
-1.2%
Conversion, latest week
13.7%
Market size, estimated
$947Ka year
Peak month
November5.2× the quietest month
Top search term
niacinamide 500mg151K searches a year

02 · Price

A sale here is worth $14.82.

Listings sell for $14.82 on average, from $5.25 to $25.01. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 6,000 to 8,000 of them. At $14.82 that is $89K to $119K a year per listing.

Average price
$14.82under the $15 to $100 sweet spot
Price range
$5.25–$25.01
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
60K–80K
Units per listing a year
6,000–8,000
Revenue per listing a year
$89K–$119K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

67% 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 #238 within Vitamin B. It carries 4,241 reviews at 4.61 stars, so a new listing needs social proof before a better product.

Sponsored listings
67%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#238in Vitamin B
Average rating
4.61 starsAmazon United States average 4.42 stars
Average reviews
4,241per listing
Listings tracked
12

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 71 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
71 months

Products

Top Niacinamide Supplement 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.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 79% of clicks. A locked shelf that new listings rarely crack.

$0$142K$284K$426K$568K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 flat

Sellers

73

Est. top-5 brand share

86%

Top 20: 100%

Est. top-5 click share

79%

Top 20: 100%

Open market

10%

  • Nutricost42%
  • NOW Foods21%
  • 21st Century9%
  • THORNE9%
  • Pure Encapsulations5%
  • Micro Ingredients4%
  • Open — no brand owns it (4 brands, 10%)

Demand

Niacinamide Supplement search demand

Weekly searches over the year, seasonality beneath. Pick a range.

10K6KSpike '24Spike '25Black Friday '25Spike '26DecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 5.2×

Search terms

Top Niacinamide Supplement search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • niacinamide 500mg151K/yr
  • b3 niacinamide69K/yr
  • vitamin b3 niacinamide73K/yr
  • niacinamide supplement81K/yr
  • vitamina b3 niacinamida15K/yr
  • niacinamide vitamin b313K/yr
  • niacinamide b310K/yr
  • now niacinamide 500mg7K/yr
  • niacinamide 500 mg7K/yr
  • niacinamide for dogs5K/yr

Reviews and returns

What reviews say buyers love and hate about Niacinamide Supplement

We read the reviews and the return reasons for every product selling here.

22%of positive reviews mention “Quality-Overall”
12%of negative reviews mention “Side Effects”
<0.1%of orders come back, a rate Amazon rounds to zero
“It caused one side effect, Diarrhea”
A buyer, on “Side Effects”12% of negative reviews mention the same topic

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.

23 topics

NegativePositive

FAQ

Common Niacinamide Supplement 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