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Vitamin D 1000iu

Fail

Prices span $3.13–$10.36, mostly outside the sweet spot, so Vitamin D 1000iu is a Fail.

Flapen Score
36
36 / 100
Ranks 1,876 of 2,035 Health & Personal Care niches · −12 vs the category median of 48
Market size
£220K/yr178K searches / yr
90-day growth
-46.6%search demand this quarter
Competition
85%top-5 click share · 11 brands · 66 sellers

Flapen Score

Vitamin D 1000iu against its category

The dotted line is the Health & Personal Care average. Past it, Vitamin D 1000iu is stronger. Inside it, weaker.

36Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Vitamin D 1000iu market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Vitamin D 1000iu 178K times last year and spent an estimated £220K. The top 5 brands take 85% of clicks. Demand peaks in Jan–Oct. Flapen scores it 36 out of 100, a Fail.

01 · Demand

20.4% of searches ended in a purchase last week.

Shoppers searched for this 178K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 20.4% of those searches ended in a purchase. Searches in the last 90 days moved -46.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £220K a year.

Searches, last 12 months
178K
Growth, 90 days vs prior 90
-46.6%
Conversion, latest week
20.4%
Market size, estimated
£220Ka year
Peak month
October2.9× the quietest month
Top search term
vitamin d 1000iu80K searches a year

02 · Price

A sale here is worth £6.05.

Listings sell for £6.05 on average, from £3.13 to £10.36. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 2,500 to 3,000 of them. At £6.05 that is £15K to £18K a year per listing.

Average price
£6.05under the $15 to $100 sweet spot
Price range
£3.13–£10.36
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
30K–40K
Units per listing a year
2,500–3,000
Revenue per listing a year
£15K–£18K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

91% 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 #70 within Vitamins. It carries 5,569 reviews at 4.66 stars, so a new listing needs social proof before a better product.

Sponsored listings
91%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#70in Vitamins
Average rating
4.66 starsAmazon United Kingdom average 4.36 stars
Average reviews
5,569per listing
Listings tracked
11

04 · Newcomers

Amazon counts 0 of last year's 1 launches as successful.

1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 70 months on average, so the names here are established.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
70 months

Products

Top Vitamin D 1000iu 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 85% of clicks. A locked shelf that new listings rarely crack.

£0£22K£44K£66K£88K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 rising

Sellers

66

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

11%

  • Vitabiotics Ultra36%
  • Nutrition Geeks23%
  • VitaPremium9%
  • Fultium8%
  • Incite Nutrition8%
  • Nu U Nutrition5%
  • Open — no brand owns it (5 brands, 11%)

Demand

Vitamin D 1000iu search demand

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

9K7KSpike '24Spike '25Holiday '25Spike '26DecMarJunAugNovMarMay

Peak months: Jan, Oct · busiest ÷ quietest = 2.9×

Search terms

Top Vitamin D 1000iu search terms shoppers use

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

  • vitamin d 1000iu80K/yr
  • vitamin d3 1000 iu31K/yr
  • vitamin d 100015K/yr
  • vitamin d 25mcg/1000iu6K/yr
  • vitamin d tablets 1000iu8K/yr
  • vitamin d 1000 iu8K/yr
  • vitamin d3 1000iu7K/yr
  • vit d 1000iu5K/yr
  • vitamin d 25mcg3K/yr
  • ultra vitamin d 1000iu4K/yr

Reviews and returns

What reviews say buyers love and hate about Vitamin D 1000iu

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

Complain

Size-Overall16%

its a small bottle

larger sized tablets than other brands I've tried

They're very small

Dosage7%−0.16

High dose

Under dosed

this is is a lower dose than what we are used to

Taste-Overall7%−0.06

It doesnt have a funny taste

no taste to them will be back for more when they run out

They are tasteless without any aftertaste

Vitamin5%+0.65

I absolutely do not get enough vitamin D

I purchased these because the doctor said I was low on vit D. I realised soon after that this dosage is slightly lower than whats recommended daily

Vitamin D. They are vitamin D tablets in a reusable bag that may or may not last a year at the right price

Strength3%

Welness

Love

Vitamin19%+0.65

Excellent vitamin D3 supplements

Amazing vitamin D3 tablets

Great vitamins

Value For Money19%+0.66

Good price

Good value for money

the price is reasonable

Ease Of Chewing/Swallowing15%+1.07

swallow - what a bonus

Easy to swallow

they arent difficult to swallow

Quality-Overall13%+0.73

Good quality

It feels like a well-produced product rather than something low quality or inconsistent

Great quality and speedy delivery

Advertised Vs Actual Product5%+0.13

Does the job

does exactly as recommended

As described

FAQ

Common Vitamin D 1000iu questions

Answered from the same tracked data.