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Worth a look

Shows low returns (0.1%), but brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list.

Market size 60Growth 19Conversion 79Competition 58Returns 100Price range 70Avg price 74Brand share 15Review moat 32Quality gap 53

Returns

Incredible0.1%

return rate — above 6% kills the launch gate

Conversion

Great8.0%

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

Avg price

Good€14.84

avg listing price — sweet spot $15–$100

Price range

Good€3.98–€40.21

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

Market size

Good€513K

€513K/yr · 432K searches

Competition

Good50%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Okay3,262.33

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-12.7%

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

Brand share

Bad94%

top-5 brand share — brand-locked demand

Competition

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 flat

Sellers

55

Top-5 brand share

94%

Open market

3%

  • Doppelherz33%
  • Merz Spezial28%
  • Dr Böhm17%
  • NATURTREU8%
  • natural elements8%
  • ProFuel4%
  • Open — no brand owns it (2 brands, 3%)

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%4%€21K8%€41K12%€62K16%€82K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 30 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.7% search growth over the last 90 days.
8K6KPrime Day '24Spike '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May · busiest ÷ quietest = 1.8×

Reviews

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

What buyers love

Qualität insgesamt17%

“Super Produkt”

Preis-Leistungs-Verhältnis12%

“Preisleistung super”

Haarwachstum7%

“Haare wachsen schneller”

beworben Vs Tatsächliches Produkt6%

“Produkt wie beschrieben”

Vitamin5%

“Vitamin”

Benutzerfreundlichkeit5%

“Tolle Wirkung und unkomplizierte Einnahme”

Effizienz3%

“Wirksamkeit”

Dosierung3%

“Rechtzeitig nehmen”

Einfaches Kauen/Schlucken3%

“Gut einzunehmen”

Inhaltsstoffe – insgesamt3%

“Das Vitamaze Biotin ist in meinen Augen das beste, was ich bisher hatte”

What buyers complain about

Geruch15%

“Stinken ekelhaft”

Funktionalität insgesamt9%

“Wirkung gleich null”

Allergien6%

“Hautausschlag bekommen”

Dosierung6%

“Bei der ersten Einnahme wurde mir Speiübel”

Preis-Leistungs-Verhältnis4%

“Geldverschwendung”

Vitamin3%

“Jedenfalls, irgendwo müssen die Vitamine ja herkommen”

Gesamtgröße3%

“Zu grosse Pille”

Qualität insgesamt3%

“Qualität ungenügend”

Geschmack insgesamt3%

“Kein Fischgeschmack, gut”

Nebenwirkungen3%

“Übelkeit nach Einnahme”