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Magnesium Complex

Magnesium Complex shows low returns (0.1%), but soft demand (-7.3% this quarter) keeps it on the watch list.

Flapen Score

54
Worth a look
Market size 60Growth 21Conversion 86Competition 45Returns 100Price range 63Avg price 46Brand share 62Review moat 29Quality gap 38
This niche Category average

Is Magnesium Complex profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Magnesium Complex is a £514K/yr Amazon United Kingdom market (459K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 54/100.

Magnesium Complex: 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 -7.3% over the last 90 days and 9.7% of searches end in a purchase.

£514K

revenue / yr

Units sold / yr50K
Search volume / yr-7.3%459K
Conversion rate9.7%
Avg price£11.55

Who owns the niche?

The top 5 brands hold 68% of demand, so 32% of the market is open.

32%

open market share

Brands · sellers15 · 18
Top-5 product click share58%
Open market32%
Avg brand age38 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 · 18 products

Sponsored placement94%
New entrants (1y)5· 4 succeeded
Avg rating4.5★
Avg reviews3,629

Top Magnesium Complex 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 58% of clicks — established leaders, but buyers still shop beyond them.

£0£26K£51K£77K£103K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 falling

Sellers

18

Top-5 brand share

68%

Top 20: 100%

Top-5 click share

58%

Top 20: 100%

Open market

24%

  • NEW LEAF PRODUCTS19%
  • HealthEssent18%
  • PH PROWISE Healthcare12%
  • Nutrition Geeks10%
  • Free Soul9%
  • WeightWorld9%

Magnesium Complex demand & seasonality

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

Volume459KCVR9.7%Products18Brands15Top 5 Brands68%OOS Rate3.1%Rating4.5★Reviews3,629Avg BSR#154
60K40KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 8.0×

Top Magnesium Complex search terms shoppers use

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

  • magnesium complex275K/yr
  • magnesium complex 12 in 123K/yr
  • magnesium 4 in 118K/yr
  • new leaf magnesium glycinate15K/yr
  • new leaf products18K/yr
  • free soul magnesium 4-in-119K/yr
  • new leaf10K/yr
  • magnesium orotate9K/yr
  • prowise advanced 4 in 1 magnesium complex2K/yr
  • magnesium complex 4 in 111K/yr

What reviews say buyers love and hate about Magnesium Complex

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

What buyers love

81% of reviews
Sleep Quality25%

sleep more deeply

Quality-Overall16%

Good quality tablets

Magnesium11%

best magnesium

Value For Money10%

EXCELLENT VALUE FOR MONEY

Advertised Vs Actual Product5%

accurate description

What buyers complain about

59% of reviews
Sleep Quality13%

Not helping with sleep at all

Magnesium9%

This magnesium does not work

Functionality-Overall6%

It does absolutely nothing

Size-Overall6%

they are rather large tablets

Dosage6%

The dosage is far too high

Magnesium Complex 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 Magnesium Complex questions

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

Flapen scores Magnesium Complex 54/100 on Amazon United Kingdom — Worth a look. The niche generates £514K/yr across 18 tracked products. 4 of 5 products launched in the last 360 days are still selling. Search demand moved -7.3% over the last 90 days.
Search demand for Magnesium Complex on Amazon United Kingdom peaks in Aug–Sep, where the busiest month runs 8.0× the quietest.