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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 6% 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

Competition

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%

Open market

18%

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

Product shelf

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.

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×

Reviews

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%