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magnesium 600mg

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A small market ($75K/yr) — this niche doesn't clear our bar today.

Market size 19Growth 54Conversion 95Competition 38Returns 100Price range 48Avg price 77Brand share 29Review moat 35Quality gap 23

Returns

Incredible0.1%

return rate — above 6% kills the launch gate

Conversion

Incredible12.7%

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

Avg price

Great€15.69

avg listing price — sweet spot $15–$100

Growth

Good+26.8%

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

Price range

Okay€4.08–€25.02

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

Competition

Okay62%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay3,039.87

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay88%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad€75K

€75K/yr · 38K searches

Competition

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

29

Top-5 brand share

88%

Open market

8%

  • Doppelherz44%
  • tetesept19%
  • Feel Natural13%
  • ENDIMA8%
  • Plusvive4%
  • SUNDAY NATURAL4%
  • Open — no brand owns it (3 brands, 8%)

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%5%€4K10%€8K15%€11K20%€15K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 31 weeks — +26.8% search growth over the last 90 days.
1K600Spike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26

Reviews

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

What buyers love

Magnesium25%

“Bestes Magnesium ever”

Qualität insgesamt23%

“Super Produkt”

Preis-Leistungs-Verhältnis7%

“Preis Leistung super”

Schlafqualität6%

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

Linderung von Muskelschmerzen5%

“Ich merke richtig, dass es gegen Muskelkrämpfe und Verspannungen hilft, besonders an stressigen Tagen oder nach dem Training”

beworben Vs Tatsächliches Produkt5%

“Siehe Produktbeschreibung”

Einfaches Kauen/Schlucken2%

“Gut zum schlucken”

Vitamin2%

“Vitamine”

Effizienz2%

“Wirkt”

Gesamtgröße2%

“Passt”

What buyers complain about

Magnesium29%

“Magnesium halt”

beworben Vs Tatsächliches Produkt6%

“Irreführend”

Dosierung5%

“Scheinbar hoher Anteil an (billigem) MG Oxid.”

Säureregulator/Linderung von Magenschmerzen5%

“Durchfall”

Funktionalität insgesamt4%

“Wirkt nicht”

Qualität insgesamt4%

“Oxid ist die billigste Version”

Nebenwirkungen3%

“Keine spürbare Wirkung bei mir”

Reguliert die Verdauung3%

“oft magenbelastend”

Linderung von Muskelschmerzen3%

“Mit dem bekommt man nur Krämpfe, Austrocknung, Gelenksschmerzen und unwohlsein”

Preis-Leistungs-Verhältnis2%

“Expensive”