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54

magnesium

Worth a look

Shows a $9.2M/yr market, but soft demand (-11.3% this quarter) keeps it on the watch list.

Market size 100Growth 19Conversion 86Competition 24Returns 100Price range 42Avg price 78Brand share 44Review moat 25Quality gap 24

Market size

Incredible€9.2M

€9.2M/yr · 5.8M searches

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great9.7%

search→purchase rate — share of searches ending in a sale

Avg price

Great€16.28

avg listing price — sweet spot $15–$100

Brand share

Okay79%

top-5 brand share — brands hold most of the demand

Price range

Okay€3.10–€23.49

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Bad4,256.39

avg incumbent reviews — the moat a new listing must climb

Competition

Bad71%

top-5 click share — a locked-up shelf

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-11.3%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon Germany niche tracking, magnesium is a €9.2M/yr Amazon Germany market (5.8M searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 54/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

magnesium market data

Units sold / yr
500K–600K
avg 25,000–30,000/product
Revenue / yr
€8.1M–€9.8M
units × avg price
Conversion rate
9.7%
Avg BSR
#25
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
61 months
Avg seller age
175 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

14 rising

Sellers

17

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

18%

  • natural elements27%
  • SUNDAY NATURAL22%
  • ProFuel16%
  • Feel Natural8%
  • ESN5%
  • Nature Love4%
  • Open — no brand owns it (8 brands, 18%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -11.3% search growth over the last 90 days.
150K100KPrime Day '24Spike '24Holiday '24Prime Day '25Spike '25Black Friday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.7×

Top magnesium search terms

  • magnesium3.0M/yr
  • magnesium komplex1.5M/yr
  • mag489K/yr
  • magnesium komplex hochdosiert181K/yr
  • magnesium tabletten83K/yr
  • magnesium complex69K/yr
  • vitamoment magnesium63K/yr
  • vitamoment magnesium komplex64K/yr
  • magnesium hochdosiert65K/yr
  • magnesium kapseln50K/yr
All search terms

Top magnesium products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%€915K20%€1.8M30%€2.7M40%€3.7M1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

What buyers say about magnesium

What buyers praise and complain about, mined from review topics.

What buyers love

Magnesium25%

“Bestes Magnesium ever”

Qualität insgesamt23%

“Good produckt”

Preis-Leistungs-Verhältnis8%

“Bester preis”

Schlafqualität6%

“kann aber jetzt schon bestätigen, dass, wenn man es 2 Stunden vor dem schlafengehen einnimmt, man deutlich besser schläft.”

beworben Vs Tatsächliches Produkt5%

“Hält 100% was es verspricht”

Linderung von Muskelschmerzen4%

“Sehr gut verträglich, hochwertige Inhaltsstoffe und spürbar positive Wirkung auf Muskeln und Regeneration”

Dosierung2%

“Hilft in der Dosierung super”

Einfaches Kauen/Schlucken2%

“Tabletten sind gut einzunehmen”

Vitamin2%

“Super Supplement”

Effizienz2%

“Funktioniert”

What buyers complain about

Magnesium24%

“Magnesium halt”

Dosierung7%

“Fake Dosierung”

Säureregulator/Linderung von Magenschmerzen5%

“Durchfall”

beworben Vs Tatsächliches Produkt4%

“Irreführend”

Funktionalität insgesamt4%

“Er tat nichts”

Gesamtgröße4%

“Sind groß”

Qualität insgesamt4%

“Oxid ist die billigste Version”

Nebenwirkungen3%

“Wirkung fraglich”

Linderung von Muskelschmerzen3%

“Ich als Sportler habe wirklich Probleme mit wadenkrämpfe”

Geschmack insgesamt3%

“Nachgeschmack”

Top return reasons

Magnesium100%

Common questions

Is magnesium profitable to sell on Amazon Germany?
The niche generates €9.2M/yr across 18 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is -11.3%. Flapen's verdict: Worth a look (54/100).
How competitive is the magnesium niche?
14 brands and 17 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in magnesium?
Top complaints mined from reviews: Magnesium, Dosierung, Säureregulator/Linderung von Magenschmerzen. The return rate is 0.1%.
When does demand for magnesium peak?
Demand is steady year-round — the busiest month runs 1.7× the quietest.
What does it cost to enter the magnesium niche?
Listings span €3.10–€23.49; the average listing price is €16.28 (sweet spot $15–$100). The average incumbent carries 4,256 reviews — the moat a new listing must climb.