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Vitamin D3 10000 Iu

Fail

Demand is soft, at -45.6% this quarter, so Vitamin D3 10000 Iu is a Fail.

Flapen Score
37
37 / 100
Ranks 1,848 of 2,035 Health & Personal Care niches · −11 vs the category median of 48
Market size
£51K/yr49K searches / yr
90-day growth
-45.6%search demand this quarter
Competition
69%top-5 click share · 11 brands · 57 sellers

Flapen Score

Vitamin D3 10000 Iu against its category

The dotted line is the Health & Personal Care average. Past it, Vitamin D3 10000 Iu is stronger. Inside it, weaker.

37Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Vitamin D3 10000 Iu market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Vitamin D3 10000 Iu 49K times last year and spent an estimated £51K. The top 5 brands take 82% of clicks. Demand peaks in Oct. Flapen scores it 37 out of 100, a Fail.

01 · Demand

An estimated 7.5% of those searches ended in a purchase.

Shoppers searched for this 49K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 7.5% of those searches ended in a purchase. Searches in the last 90 days moved -45.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £51K a year.

Searches, last 12 months
49K
Growth, 90 days vs prior 90
-45.6%
Conversion, latest week
7.5%
Market size, estimated
£51Ka year
Peak month
October2.3× the quietest month
Top search term
vitamin d3 10000 iu16K searches a year

02 · Price

A sale here is worth £14.01.

Listings sell for £14.01 on average, from £3.13 to £30.08. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At £14.01 that is £1K to £4K a year per listing.

Average price
£14.01under the $15 to $100 sweet spot
Price range
£3.13–£30.08
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
3K–4K
Units per listing a year
100–250
Revenue per listing a year
£1K–£4K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 9.0% of listings are out of stock. The average listing ranks #108 within Vitamins. It carries 6,977 reviews at 4.62 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
9.0%
Average rank
#108in Vitamins
Average rating
4.62 starsAmazon United Kingdom average 4.36 stars
Average reviews
6,977per listing
Listings tracked
13

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 60 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
60 months

Products

Top Vitamin D3 10000 Iu 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 25, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 69% of clicks. Leaders hold, but buyers still shop past them.

£0£5K£10K£15K£21K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 falling

Sellers

57

Est. top-5 brand share

82%

Top 20: 100%

Est. top-5 click share

69%

Top 20: 100%

Open market

14%

  • Healthy Origins41%
  • NOW17%
  • BioImpact9%
  • Nutrition Geeks9%
  • Vortexonix7%
  • NUTRALIE4%
  • Open — no brand owns it (5 brands, 14%)

Demand

Vitamin D3 10000 Iu search demand

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

3K2KSpike '24Spike '25DecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 2.3×

Search terms

Top Vitamin D3 10000 Iu search terms shoppers use

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

  • vitamin d3 10000 iu16K/yr
  • vitamin d 10000iu14K/yr
  • vitamin d 100006K/yr
  • vitamin d 10000iu high strength4K/yr
  • d3 10000 iu3K/yr
  • vitamin d3 10000iu4K/yr
  • vit d3 10000iu2K/yr

Reviews and returns

What reviews say buyers love and hate about Vitamin D3 10000 Iu

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

18%of positive reviews mention “Quality-Overall”
13%of negative reviews mention “Dosage”
0.1%of orders come back
“it looks as if the dosage is very high”
A buyer, on “Dosage”13% 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.

15 topics

NegativePositive

FAQ

Common Vitamin D3 10000 Iu 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