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Calcium and Vitamin D Tablets

soft demand (-20.9% this quarter) — Calcium and Vitamin D Tablets doesn't clear our bar today.

Flapen Score

47
Skip it
Market size 33Growth 15Conversion 95Competition 32Returns 100Price range 17Avg price 29Brand share 63Review moat 41Quality gap 47
This niche Category average

Is Calcium and Vitamin D Tablets profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Calcium and Vitamin D Tablets is a £155K/yr Amazon United Kingdom market (134K searches/yr). The top 5 brands hold 67% of demand. Verdict: Skip it — 47/100.

Calcium and Vitamin D Tablets: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -20.9% over the last 90 days and 12.1% of searches end in a purchase.

£155K

revenue / yr

Units sold / yr20K
Search volume / yr-20.9%134K
Conversion rate12.1%
Avg price£9.54

Who owns the niche?

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

33%

open market share

Brands · sellers19 · 87
Top-5 product click share66%
Open market33%
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 · 20 products

Sponsored placement75%
New entrants (1y)2· 0 succeeded
Avg rating4.5★
Avg reviews2,449

Top Calcium and Vitamin D Tablets 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 66% of clicks — established leaders, but buyers still shop beyond them.

£0£15K£31K£46K£62K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

19 rising

Sellers

87

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

28%

  • Vitabiotics Ultra25%
  • Vitamin Store20%
  • NEW LEAF PRODUCTS8%
  • AA Merchant7%
  • Nu U Nutrition7%
  • WeightWorld5%

Calcium and Vitamin D Tablets demand & seasonality

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

Volume134KCVR12.1%Products20Brands19Top 5 Brands67%OOS Rate0.0%Rating4.5★Reviews2,449Avg BSR#50
4K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top Calcium and Vitamin D Tablets search terms shoppers use

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

  • calcium and vitamin d tablets87K/yr
  • vitamin d and calcium18K/yr
  • calcium and vitamin d9K/yr
  • vitamin d and calcium tablets6K/yr
  • calcium vitamin d4K/yr
  • vitamin d calcium5K/yr
  • vitamin d with calcium3K/yr
  • adcal2K/yr

What reviews say buyers love and hate about Calcium and Vitamin D Tablets

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

What buyers love

76% of reviews
Quality-Overall19%

Excellent product

Value For Money15%

Best price

Vitamin13%

Effective vitamin

Ease Of Chewing/Swallowing10%

Chewable

Advertised Vs Actual Product6%

As advertised

What buyers complain about

59% of reviews
Size-Overall16%

Tablet is quite large

Dosage9%

it looks as if the dosage is very high

Vitamin8%

Whatever is in these either isn't Vitamin D or if it is

Ease Of Chewing/Swallowing7%

A hard swallow

Side Effects4%

doesnt have these effects

Calcium and Vitamin D Tablets return rate & reasons

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

0.1%

Return rate

0%

Fixable by listing

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

1Vitamin
100%

Common Calcium and Vitamin D Tablets questions

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

Flapen scores Calcium and Vitamin D Tablets 47/100 on Amazon United Kingdom — Skip it. The niche generates £155K/yr across 20 tracked products. 0 of 2 products launched in the last 360 days are still selling. Search demand moved -20.9% over the last 90 days.
Search demand for Calcium and Vitamin D Tablets on Amazon United Kingdom is steady year-round — the busiest month runs 1.4× the quietest.