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reactine duo

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A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 18Growth 58Conversion 100Competition 0Returns 100Price range 72Avg price 80Brand share 19Review moat 93Quality gap 20

Conversion

Incredible21.2%

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

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Review moat

Great134.2

avg incumbent reviews — the moat a new listing must climb

Avg price

Great€16.94

avg listing price — sweet spot $15–$100

Price range

Good€6.34–€36.89

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

Growth

Good+33.2%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Brand share

Bad92%

top-5 brand share — brand-locked demand

Market size

Bad€72K

€72K/yr · 20K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Competition

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 rising

Sellers

21

Top-5 brand share

92%

Open market

0%

  • Bodfeld Apotheke40%
  • reactine37%
  • vitenda15%
  • --8%
  • Open — no brand owns it (0%)

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%15%€11K30%€22K45%€32K60%€43K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +33.2% search growth over the last 90 days.
1K750Holiday '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 6.4×