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Calcium Magnesium Zinc and Vitamin D

prices mostly outside the sweet spot ($4.87–$14.01) — Calcium Magnesium Zinc and Vitamin D doesn't clear our bar today.

Flapen Score

41
Skip it
Market size 26Growth 18Conversion 98Competition 23Returns 100Price range 0Avg price 27Brand share 40Review moat 32Quality gap 38
This niche Category average

Is Calcium Magnesium Zinc and Vitamin D profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Calcium Magnesium Zinc and Vitamin D is a £110K/yr Amazon United Kingdom market (69K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Jan–Nov. Verdict: Skip it — 41/100.

Calcium Magnesium Zinc and Vitamin D: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -13.1% over the last 90 days and 17.1% of searches end in a purchase.

£110K

revenue / yr

Units sold / yr13K
Search volume / yr-13.1%69K
Conversion rate17.1%
Avg price£9.27

Who owns the niche?

The top 5 brands hold 81% of demand, so 19% of the market is open.

19%

open market share

Brands · sellers11 · 54
Top-5 product click share73%
Open market19%
Avg brand age58 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 · 12 products

Sponsored placement92%
New entrants (1y)0· 0 succeeded
Avg rating4.5★
Avg reviews3,332

Top Calcium Magnesium Zinc and Vitamin D 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 capture 73% of clicks — a locked-up shelf that new listings rarely crack.

£0£11K£22K£33K£44K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 falling

Sellers

54

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

14%

  • WeightWorld32%
  • Solgar17%
  • Natures Aid12%
  • Nu U Nutrition11%
  • Nutravita9%
  • Horbäach5%
  • Open — no brand owns it (5 brands, 14%)

Calcium Magnesium Zinc and Vitamin D demand & seasonality

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

Volume69KCVR17.1%Products12Brands11Top 5 Brands81%OOS Rate0.5%Rating4.5★Reviews3,332Avg BSR#47
4K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Nov · busiest ÷ quietest = 2.2×

Top Calcium Magnesium Zinc and Vitamin D search terms shoppers use

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

  • calcium magnesium zinc and vitamin d44K/yr
  • calcium magnesium zinc17K/yr
  • magnesium zinc and vitamin d5K/yr
  • magnesium calcium zinc4K/yr

What reviews say buyers love and hate about Calcium Magnesium Zinc and Vitamin D

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

What buyers love

80% of reviews
Sleep Quality25%

HELPS WITH SLEEP

Quality-Overall15%

Excellent product

Value For Money10%

Good value for money

Magnesium9%

best magnesium

Advertised Vs Actual Product5%

As Advertised

What buyers complain about

62% of reviews
Sleep Quality14%

still cant sleep

Magnesium8%

This magnesium does not work

Functionality-Overall7%

These do not work as intended

Size-Overall7%

Size big

Acid Regulator/Stomach Ache Relief6%

Gives you stomach cramps

Calcium Magnesium Zinc and Vitamin D 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.

1Joint Pain
50%
2Magnesium
50%

Common Calcium Magnesium Zinc and Vitamin D questions

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

Flapen scores Calcium Magnesium Zinc and Vitamin D 41/100 on Amazon United Kingdom — Skip it. The niche generates £110K/yr across 12 tracked products. Search demand moved -13.1% over the last 90 days.
Search demand for Calcium Magnesium Zinc and Vitamin D on Amazon United Kingdom peaks in Jan–Nov, where the busiest month runs 2.2× the quietest.