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Vitamin D Kids

Fail

Prices span $3.44–$14.89, mostly outside the sweet spot, so Vitamin D Kids is a Fail.

Flapen Score
42
42 / 100
Ranks 1,521 of 2,035 Health & Personal Care niches · −6 vs the category median of 48
Market size
£117K/yr141K searches / yr
90-day growth
-45.0%search demand this quarter
Competition
59%top-5 click share · 15 brands · 74 sellers

Flapen Score

Vitamin D Kids against its category

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

42Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Vitamin D Kids market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Vitamin D Kids 141K times last year and spent an estimated £117K. The top 5 brands take 67% of clicks. Demand peaks in Jan–Feb–Oct–Nov. Flapen scores it 42 out of 100, a Fail.

01 · Demand

An estimated 11.4% of those searches ended in a purchase.

Shoppers searched for this 141K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 11.4% of those searches ended in a purchase. Searches in the last 90 days moved -45.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £117K a year.

Searches, last 12 months
141K
Growth, 90 days vs prior 90
-45.0%
Conversion, latest week
11.4%
Market size, estimated
£117Ka year
Peak month
January3.0× the quietest month
Top search term
vitamin d kids38K searches a year

02 · Price

A sale here is worth £7.31.

Listings sell for £7.31 on average, from £3.44 to £14.89. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 750 to 1,000 of them. At £7.31 that is £5K to £7K a year per listing.

Average price
£7.31under the $15 to $100 sweet spot
Price range
£3.44–£14.89
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
15K–20K
Units per listing a year
750–1,000
Revenue per listing a year
£5K–£7K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

95% 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 #54 within Vitamins. It carries 2,753 reviews at 4.60 stars, so a new listing needs social proof before a better product.

Sponsored listings
95%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#54in Vitamins
Average rating
4.60 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,753per listing
Listings tracked
19

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 66 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
66 months

Products

Top Vitamin D Kids 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 59% of clicks. Leaders hold, but buyers still shop past them.

£0£6K£12K£18K£23K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 flat

Sellers

74

Est. top-5 brand share

67%

Top 20: 100%

Est. top-5 click share

59%

Top 20: 100%

Open market

26%

  • maxmedix19%
  • Horbäach13%
  • CHEWY VITES12%
  • BetterYou11%
  • Natures Aid11%
  • Wellkid7%

Demand

Vitamin D Kids search demand

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

5K4KSpike '24Spike '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Oct, Nov · busiest ÷ quietest = 3.0×

Search terms

Top Vitamin D Kids search terms shoppers use

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

  • vitamin d kids38K/yr
  • kids vitamin d34K/yr
  • vitamin d for kids25K/yr
  • vitamin d gummies kids9K/yr
  • vitamin d for kids 7-146K/yr
  • vitamin d kids gummies5K/yr
  • kids vitamin d gummies4K/yr
  • vitamin d3 kids6K/yr
  • vitamin d children4K/yr
  • vitamin d3 for kids3K/yr

Reviews and returns

What reviews say buyers love and hate about Vitamin D Kids

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

17%of positive reviews mention “Vitamin”
12%of negative reviews mention “Dosage”
0.1%of orders come back
“High volume per dose”
A buyer, on “Dosage”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.

15 topics

NegativePositive

FAQ

Common Vitamin D Kids 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