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Calcium Citrate

Calcium Citrate shows low returns (0.1%), but soft demand (-8.0% this quarter) keeps it on the watch list.

Flapen Score

53
Worth a look
Market size 23Growth 21Conversion 85Competition 50Returns 100Price range 57Avg price 58Brand share 59Review moat 71Quality gap 48
This niche Category average

Is Calcium Citrate profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Calcium Citrate is a £90K/yr Amazon United Kingdom market (74K searches/yr). The top 5 brands hold 69% of demand. Verdict: Worth a look — 53/100.

Calcium Citrate: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -8.0% over the last 90 days and 9.4% of searches end in a purchase.

£90K

revenue / yr

Units sold / yr8K
Search volume / yr-8.0%74K
Conversion rate9.4%
Avg price£12.96

Who owns the niche?

The top 5 brands hold 69% of demand, so 31% of the market is open.

31%

open market share

Brands · sellers17 · 40
Top-5 product click share55%
Open market31%
Avg brand age61 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 23 products

Sponsored placement74%
New entrants (1y)1· 0 succeeded
Avg rating4.5★
Avg reviews649

Top Calcium Citrate 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 55% of clicks — established leaders, but buyers still shop beyond them.

£0£5K£9K£14K£18K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

17 flat

Sellers

40

Top-5 brand share

69%

Top 20: 100%

Top-5 click share

55%

Top 20: 97%

Open market

26%

  • Solgar32%
  • ECO-VITS17%
  • SOLARAY9%
  • NEO-NUTRITION6%
  • Best Naturals5%
  • FürstenMED5%

Calcium Citrate demand & seasonality

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

Volume74KCVR9.4%Products23Brands17Top 5 Brands69%OOS Rate5.8%Rating4.5★Reviews649Avg BSR#72
2K1KSpike '26Prime Day '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jul '26

Top Calcium Citrate search terms shoppers use

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

  • calcium citrate51K/yr
  • calcium citrate supplements3K/yr
  • calcium citrate with vitamin d34K/yr
  • calcium citrate 500mg5K/yr
  • solgar calcium citrate with vitamin d32K/yr
  • solgar calcium3K/yr
  • calcium citrate 1000mg5K/yr

What reviews say buyers love and hate about Calcium Citrate

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

What buyers love

84% of reviews
Quality-Overall29%

Good quality tablets

Calcium15%

Good quality calcium

Vitamin7%

I like that it also includes B vitamins

Value For Money6%

is absolutely worth the money

Joint Pain5%

It helps my brittle bone problems

What buyers complain about

77% of reviews
Ease Of Chewing/Swallowing26%

Hard to swallow

Size-Overall15%

These tablets are absolutely huge

Calcium8%

thinking I was getting my daily calcium needs as I cannot eat any dairy at all

Dosage8%

because trying to get the things down in one go - two goes, actually, as each giant bullet is only half a dose - is difficult

Ease Of Use6%

Hard to swallow

Common Calcium Citrate questions

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

Flapen scores Calcium Citrate 53/100 on Amazon United Kingdom — Worth a look. The niche generates £90K/yr across 23 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved -8.0% over the last 90 days.
Calcium Citrate buyers on Amazon United Kingdom complain most about Ease Of Chewing/Swallowing, Size-Overall, Calcium, the themes mined from the niche's reviews. Its return rate is 0.1%.