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Vitamin D Kids

prices mostly outside the sweet spot ($3.44–$14.89) — Vitamin D Kids doesn't clear our bar today.

Flapen Score

42
Skip it
Market size 27Growth 2Conversion 93Competition 43Returns 100Price range 0Avg price 20Brand share 64Review moat 37Quality gap 25
This niche Category average

Is Vitamin D Kids profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Vitamin D Kids is a £117K/yr Amazon United Kingdom market (141K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Jan–Feb–Oct–Nov. Verdict: Skip it — 42/100.

Vitamin D Kids: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -45.0% over the last 90 days and 11.4% of searches end in a purchase.

£117K

revenue / yr

Units sold / yr20K
Search volume / yr-45.0%141K
Conversion rate11.4%
Avg price£7.31

Who owns the niche?

The top 5 brands hold 67% of demand, so 33% of the market is open.

33%

open market share

Brands · sellers15 · 74
Top-5 product click share59%
Open market33%
Avg brand age66 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 19 products

Sponsored placement95%
New entrants (1y)0· 0 succeeded
Avg rating4.6★
Avg reviews2,753

Top Vitamin D Kids products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

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

Brands

15 flat

Sellers

74

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

59%

Top 20: 100%

Open market

26%

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

Vitamin D Kids demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume141KCVR11.4%Products19Brands15Top 5 Brands67%OOS Rate0.0%Rating4.6★Reviews2,753Avg BSR#54
5K4KSpike '24Spike '25Black Friday '25SepDecMarJunAugNovMarMay

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

Top Vitamin D Kids search terms shoppers use

The exact queries shoppers type, with 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

What reviews say buyers love and hate about Vitamin D Kids

What buyers mention most, as a share of all reviews.

What buyers love

79% of reviews
Vitamin17%

Good vitamin

Quality-Overall16%

Also, I think mine have lasted longer than I expected somehow, really pleased with them

Taste-Overall15%

Good taste

Ease Of Use11%

Ease of use

Value For Money8%

Value for the money

What buyers complain about

57% of reviews
Dosage12%

High volume per dose

Value For Money10%

Bit expensive

Ease Of Use8%

Not as easy to administer as other products

Size-Overall7%

the liquid inside the bottle is tiny

Taste-Overall6%

Tasteless and finished very fast

Vitamin D Kids return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

100%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Advertised Vs Actual Product
100%

Common Vitamin D Kids questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Vitamin D Kids 42/100 on Amazon United Kingdom — Skip it. The niche generates £117K/yr across 19 tracked products. Search demand moved -45.0% over the last 90 days.
Search demand for Vitamin D Kids on Amazon United Kingdom peaks in Jan–Feb–Oct–Nov, where the busiest month runs 3.0× the quietest.