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Magnesium Powder

soft demand (-22.1% this quarter) — Magnesium Powder doesn't clear our bar today.

Flapen Score

49
Skip it
Market size 18Growth 14Conversion 77Competition 59Returns 100Price range 48Avg price 41Brand share 44Review moat 40Quality gap 72
This niche Category average

Is Magnesium Powder profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Magnesium Powder is a £73K/yr Amazon United Kingdom market (88K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jan. Verdict: Skip it — 49/100.

Magnesium Powder: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -22.1% over the last 90 days and 7.6% of searches end in a purchase.

£73K

revenue / yr

Units sold / yr8K
Search volume / yr-22.1%88K
Conversion rate7.6%
Avg price£10.92

Who owns the niche?

The top 5 brands hold 78% of demand, so 22% of the market is open.

22%

open market share

Brands · sellers18 · 100
Top-5 product click share50%
Open market22%
Avg brand age43 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 31 products

Sponsored placement90%
New entrants (1y)8· 5 succeeded
Avg rating4.3★
Avg reviews2,480

Top Magnesium Powder 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 50% of clicks — established leaders, but buyers still shop beyond them.

£0£3K£6K£9K£12K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

18 flat

Sellers

100

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

50%

Top 20: 90%

Open market

17%

  • BetterYou38%
  • Applied Nutrition13%
  • BANDINI12%
  • Nutrition Geeks9%
  • TRIP6%
  • Natural Vitality4%
  • Open — no brand owns it (12 brands, 17%)

Magnesium Powder demand & seasonality

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

Volume88KCVR7.6%Products31Brands18Top 5 Brands78%OOS Rate3.2%Rating4.3★Reviews2,480Avg BSR#175
3K2KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.8×

Top Magnesium Powder search terms shoppers use

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

  • magnesium powder52K/yr
  • better you magnesium14K/yr
  • magnesium powder for sleep8K/yr
  • betteryou magnesium4K/yr
  • magnesium glycinate 3-in-1 powder4K/yr
  • powder magnesium3K/yr
  • magnesium better you2K/yr

What reviews say buyers love and hate about Magnesium Powder

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

What buyers love

73% of reviews
Sleep Quality24%

HELPS WITH SLEEP

Quality-Overall12%

Good product x

Magnesium10%

Best magnesium supplement around

Value For Money8%

Excellent value for money

Taste-Overall5%

Fantastic taste

What buyers complain about

54% of reviews
Sleep Quality13%

No sleep

Functionality-Overall7%

didnt work as well as expected

Magnesium7%

This magnesium does not work

Dosage4%

The dosage is far too high

Taste-Overall4%

artificial tasting

Magnesium Powder return rate & reasons

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

0.1%

Return rate

17%

Fixable by listing

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

1Magnesium
33%
2Advertised Vs Actual Product
17%
3Taste-Overall
8%
4Language Issues
8%
5Ease Of Use
8%

Common Magnesium Powder questions

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

Flapen scores Magnesium Powder 49/100 on Amazon United Kingdom — Skip it. The niche generates £73K/yr across 31 tracked products. 5 of 8 products launched in the last 360 days are still selling. Search demand moved -22.1% over the last 90 days.
Search demand for Magnesium Powder on Amazon United Kingdom peaks in Jan, where the busiest month runs 1.8× the quietest.