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Niacin

Fail

Shoppers spend only $47K a year here, so Niacin is a Fail.

Flapen Score
43
43 / 100
Ranks 1,437 of 2,035 Health & Personal Care niches · −5 vs the category median of 48
Market size
£47K/yr46K searches / yr
90-day growth
-17.4%search demand this quarter
Competition
75%top-5 click share · 11 brands · 14 sellers

Flapen Score

Niacin against its category

The dotted line is the Health & Personal Care average. Past it, Niacin is stronger. Inside it, weaker.

43Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Niacin market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Niacin 46K times last year and spent an estimated £47K. The top 5 brands take 79% of clicks. Demand peaks in Aug–Sep–Oct–Nov. Flapen scores it 43 out of 100, a Fail.

01 · Demand

9.2% of searches ended in a purchase last week.

Shoppers searched for this 46K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 9.2% of those searches ended in a purchase. Searches in the last 90 days moved -17.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £47K a year.

Searches, last 12 months
46K
Growth, 90 days vs prior 90
-17.4%
Conversion, latest week
9.2%
Market size, estimated
£47Ka year
Peak month
September2.2× the quietest month
Top search term
niacin36K searches a year

02 · Price

A sale here is worth £11.20.

Listings sell for £11.20 on average, from £4.23 to £26.71. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At £11.20 that is £3K to £6K a year per listing.

Average price
£11.20under the $15 to $100 sweet spot
Price range
£4.23–£26.71
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
4K–5K
Units per listing a year
250–500
Revenue per listing a year
£3K–£6K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

77% of listings pay for placement with sponsored ads. 92% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #29 within Vitamins. It carries 1,797 reviews at 4.42 stars, so a new listing needs social proof before a better product.

Sponsored listings
77%
Prime listings
92%
Out of stock, average day
0.0%
Average rank
#29in Vitamins
Average rating
4.42 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,797per listing
Listings tracked
13

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 54 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
54 months

Products

Top Niacin products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 75% of clicks. A locked shelf that new listings rarely crack.

£0£5K£9K£14K£19K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 flat

Sellers

14

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

14%

  • Horbäach27%
  • MOBU23%
  • Bio Mirco11%
  • Health4All11%
  • NutriVolv8%
  • Nutricost7%
  • Open — no brand owns it (5 brands, 14%)

Demand

Niacin search demand

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

3K2KSpike '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 2.2×

Search terms

Top Niacin search terms shoppers use

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

  • niacin36K/yr
  • nicotinic acid5K/yr
  • niacin flush3K/yr
  • niacin b32K/yr

Reviews and returns

What reviews say buyers love and hate about Niacin

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Allergies14%−0.13

There was I trying to work out what the hell Im suddenly allergic to

Developed rash

Rash

Dosage11%−0.04

Inconsistent Dose per tablet

maybe need to up the dose

The dosage is highly inconsistent

Side Effects7%

Some tablets do nothing whilst others provide a very gentle effect

I have had 2 experiences which have literally knocked me off my feet

On the downside

Size-Overall5%−0.03

Too big

It is a decent hundred millilitre in size which is a bit bigger

Color Fading/Discoloration5%−0.04

have to say no change at all in skin colour

Love

Quality-Overall22%+0.66

Bottles decent quality too — that Miron glass does feel like itll keep things fresh

Amazing quality

high quality supplement I will continue to use

Value For Money12%+1.15

Good price

Worth every penny

its certainly good value for money

Vitamin11%+1.04

Healthy vitamin

A great supplement by an excellent company

Excellent vitamin

Advertised Vs Actual Product7%−0.01

Item description accuracy

Does exactly as it says

The product is as expected

Energy Level6%+0.35

my energy levels seem to have improved

Noticeable Boost in Energy Levels

Increased energy

Return

0.1% Return rate 57% Fixable by listing

Advertised Vs Actual Product57%▁▁▁█▁█
Ease Of Chewing/Swallowing29%▁▁▁▁█▁

Hard to swallow

Value For Money14%▁▁▁▁█▁

FAQ

Common Niacin questions

Answered from the same tracked data.