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Magnesium for Kids

soft demand (-37.4% this quarter) — Magnesium for Kids doesn't clear our bar today.

Flapen Score

48
Skip it
Market size 61Growth 6Conversion 94Competition 16Returns 100Price range 25Avg price 40Brand share 17Review moat 61Quality gap 84
This niche Category average

Is Magnesium for Kids profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Magnesium for Kids is a £524K/yr Amazon United Kingdom market (413K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 48/100.

Magnesium for 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 -37.4% over the last 90 days and 11.8% of searches end in a purchase.

£524K

revenue / yr

Units sold / yr50K
Search volume / yr-37.4%413K
Conversion rate11.8%
Avg price£10.74

Who owns the niche?

The top 5 brands hold 93% of demand, so 7% of the market is open.

7%

open market share

Brands · sellers7 · 27
Top-5 product click share81%
Open market7%
Avg brand age39 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.2★ — the gap to enter on.

0/100

page quality · 10 products

Sponsored placement100%
New entrants (1y)2· 2 succeeded
Avg rating4.2★
Avg reviews1,063

Top Magnesium for 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 capture 81% of clicks — a locked-up shelf that new listings rarely crack.

£0£79K£157K£236K£314K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

27

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

81%

Top 20: 100%

Open market

3%

  • novomins69%
  • CHEWY VITES10%
  • maxmedix5%
  • 8 Hour Sleepwell5%
  • Tonic Health5%
  • Health4All4%
  • Open — no brand owns it (1 brand, 3%)

Magnesium for Kids demand & seasonality

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

Volume413KCVR11.8%Products10Brands7Top 5 Brands93%OOS Rate0.0%Rating4.2★Reviews1,063Avg BSR#68
18K13KSpike '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb · busiest ÷ quietest = 1.9×

Top Magnesium for Kids search terms shoppers use

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

  • novomins81K/yr
  • magnesium for kids77K/yr
  • kids magnesium gummies66K/yr
  • kids magnesium43K/yr
  • magnesium kids37K/yr
  • magnesium gummies kids36K/yr
  • magnesium kids gummies11K/yr
  • magnesium for kids sleep14K/yr
  • novomins gummies12K/yr
  • magnesium gummies for kids7K/yr

What reviews say buyers love and hate about Magnesium for Kids

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

What buyers love

67% of reviews
Sleep Quality24%

helps with sleep

Taste-Overall15%

Taste great and natural

Quality-Overall6%

No complaints from the kids

Magnesium5%

Each gummy features a well-balanced combination of 120mg of magnesium

Flavor5%

Nice flavour

What buyers complain about

61% of reviews
Sleep Quality16%

We had no improvement with sleep

Taste-Overall12%

Hmm strange taste

Functionality-Overall8%

Did not work

Value For Money7%

Not worth the money

Age Suitability4%

Didnt have any effect on either of my children with adhd

Magnesium for Kids 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.

1Vegan/Organic
33%
2Functionality-Overall
22%
3Taste-Overall
11%
4Value For Money
11%
5Age Suitability
11%

Common Magnesium for Kids questions

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

Flapen scores Magnesium for Kids 48/100 on Amazon United Kingdom — Skip it. The niche generates £524K/yr across 10 tracked products. 2 of 2 products launched in the last 360 days are still selling. Search demand moved -37.4% over the last 90 days.
Search demand for Magnesium for Kids on Amazon United Kingdom peaks in Jan–Feb, where the busiest month runs 1.9× the quietest.