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Vitamin D 2000iu

Fail

Prices span $4.55–$13.31, mostly outside the sweet spot, so Vitamin D 2000iu is a Fail.

Flapen Score
32
32 / 100
Ranks 1,977 of 2,035 Health & Personal Care niches · −16 vs the category median of 48
Market size
£97K/yr79K searches / yr
90-day growth
-34.0%search demand this quarter
Competition
87%top-5 click share · 8 brands · 52 sellers

Flapen Score

Vitamin D 2000iu against its category

The dotted line is the Health & Personal Care average. Past it, Vitamin D 2000iu is stronger. Inside it, weaker.

32Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Vitamin D 2000iu market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Vitamin D 2000iu 79K times last year and spent an estimated £97K. The top 5 brands take 93% of clicks. Demand peaks in Jan–Feb–Mar. Flapen scores it 32 out of 100, a Fail.

01 · Demand

An estimated 15.9% of those searches ended in a purchase.

Shoppers searched for this 79K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 15.9% of those searches ended in a purchase. Searches in the last 90 days moved -34.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £97K a year.

Searches, last 12 months
79K
Growth, 90 days vs prior 90
-34.0%
Conversion, latest week
15.9%
Market size, estimated
£97Ka year
Peak month
January5.3× the quietest month
Top search term
vitamin d 2000iu31K searches a year

02 · Price

A sale here is worth £7.72.

Listings sell for £7.72 on average, from £4.55 to £13.31. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 1,000 to 1,250 of them. At £7.72 that is £8K to £10K a year per listing.

Average price
£7.72under the $15 to $100 sweet spot
Price range
£4.55–£13.31
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
13K–15K
Units per listing a year
1,000–1,250
Revenue per listing a year
£8K–£10K
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, 0.0% of listings are out of stock. The average listing ranks #97 within Over-the-Counter Medication. It carries 7,673 reviews at 4.67 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#97in Over-the-Counter Medication
Average rating
4.67 starsAmazon United Kingdom average 4.36 stars
Average reviews
7,673per listing
Listings tracked
9

04 · Newcomers

1 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 62 months on average, so the names here are established.

Launched, last 12 months
1
Successful launches
1Amazon's first-year sales bar
Average brand age
62 months

Products

Top Vitamin D 2000iu 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 87% of clicks. A locked shelf that new listings rarely crack.

£0£10K£19K£29K£39K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 flat

Sellers

52

Est. top-5 brand share

93%

Top 20: 100%

Est. top-5 click share

87%

Top 20: 100%

Open market

4%

  • Vitabiotics Ultra29%
  • WeightWorld29%
  • 417%
  • VitaPremium12%
  • Royal Oak Health6%
  • Igennus Healthcare Nutrition3%
  • Open — no brand owns it (2 brands, 4%)

Demand

Vitamin D 2000iu search demand

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

10K6KSpike '24Holiday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 5.3×

Search terms

Top Vitamin D 2000iu search terms shoppers use

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

  • vitamin d 2000iu31K/yr
  • vitamin d3 2000iu25K/yr
  • vitamin d 200011K/yr
  • vitamin d 2000 iu6K/yr
  • vitamin d3 2000 iu4K/yr
  • vitamin d3 20003K/yr

Reviews and returns

What reviews say buyers love and hate about Vitamin D 2000iu

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

19%of positive reviews mention “Value For Money”
10%of negative reviews mention “Dosage”
0.1%of orders come back
“it looks as if the dosage is very high”
A buyer, on “Dosage”10% 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.

14 topics

NegativePositive

FAQ

Common Vitamin D 2000iu 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