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53

d3 k2 tropfen

Worth a look

Shows low returns (0.1%), but soft demand (-42.8% this quarter) keeps it on the watch list.

Market size 87Growth 4Conversion 94Competition 24Returns 100Price range 74Avg price 81Brand share 45Review moat 34Quality gap 21

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great11.7%

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

Market size

Great€1.5M

€1.5M/yr · 749K searches

Avg price

Great€17.29

avg listing price — sweet spot $15–$100

Price range

Good€9.97–€29.22

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

Brand share

Okay78%

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

Review moat

Okay3,052.4

avg incumbent reviews — the moat a new listing must climb

Competition

Bad71%

top-5 click share — a locked-up shelf

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-42.8%

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

According to Flapen's Amazon Germany niche tracking, d3 k2 tropfen is a €1.5M/yr Amazon Germany market (749K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Feb–Nov. Verdict: Worth a look — 53/100.

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

d3 k2 tropfen market data

Units sold / yr
80K–100K
avg 3,000–4,000/product
Revenue / yr
€1.4M–€1.7M
units × avg price
Conversion rate
11.7%
Avg BSR
#25
Page quality
0%
Prime
100%
Sponsored
93%
Out of stock
4.5%
Avg brand age
49 months
Avg seller age
181 days

Competition & brand share

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

Brands

11 flat

Sellers

12

Top-5 brand share

78%

Top 20: 93%

Top-5 click share

71%

Top 20: 100%

Open market

15%

  • SUNDAY NATURAL47%
  • natural elements15%
  • NaturElan8%
  • --7%
  • Nature Love5%
  • NATURTREU4%
  • Open — no brand owns it (5 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -42.8% search growth over the last 90 days.
25K15KPrime Day '24Spike '24Holiday '24Spike '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Feb, Nov · busiest ÷ quietest = 2.3×

Top d3 k2 tropfen search terms

  • vitamin d3 k2 tropfen379K/yr
  • d3 k2 tropfen170K/yr
  • d3k2 tropfen20K/yr
  • vitamin d3 k2 tropfen 5000 ie29K/yr
  • vitamin d3 k2 tropfen hochdosiert30K/yr
  • vit d3 k2 tropfen10K/yr
  • enavie d3 k2 tropfen9K/yr
  • vitamin d k2 tropfen14K/yr
  • vitamin tropfen d3 k211K/yr
  • unimedica vitamin d3 k26K/yr
All search terms

Top d3 k2 tropfen 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%€152K20%€303K30%€455K40%€606K1001K10K100K 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.

What buyers say about d3 k2 tropfen

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

What buyers love

Qualität insgesamt26%

“Good Quality”

Vitamin14%

“Vitamin”

Dosierung12%

“präzise dosieren”

Benutzerfreundlichkeit7%

“Beste Handhabung schnell und einfach”

Preis-Leistungs-Verhältnis6%

“Super Preis/Leistung”

Geschmack insgesamt4%

“Schmeckt neutral”

beworben Vs Tatsächliches Produkt3%

“alles wie bestellt”

Geschmack3%

“Geschmacklich gut”

Inhaltsstoffe – insgesamt2%

“Gutes Produkt, zu geringes Konzentrat”

Energieniveau2%

“Ideal für mehr Energie”

What buyers complain about

Dosierung16%

“Ungeeignete Dosierung”

Vitamin8%

“Vitamine können durch den Ranzigprozess oxidiert und in ihrer Wirkung stark beeinträchtigt oder zerstört werden”

Geschmack insgesamt6%

“Die Tropfen,sind geschmacksneutral”

beworben Vs Tatsächliches Produkt6%

“Irreführende Werbung”

Preis-Leistungs-Verhältnis6%

“Nur doppelt so teuer”

Funktionalität insgesamt4%

“Wirkt nicht”

Auslaufsicher4%

“Pipette vollständig ab”

Qualität insgesamt4%

“Qualität wirklich miserabel”

Haltbarkeit3%

“fragwürdige Haltbarkeitsangabe”

Geschmack2%

“Geschmack streng”

Top return reasons

Alterseignung33%
Vegan/Biologisch33%
Haltbarkeit17%
beworben Vs Tatsächliches Produkt17%

Common questions

Is d3 k2 tropfen profitable to sell on Amazon Germany?
The niche generates €1.5M/yr across 15 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -42.8%. Flapen's verdict: Worth a look (53/100).
How competitive is the d3 k2 tropfen niche?
11 brands and 12 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in d3 k2 tropfen?
Top complaints mined from reviews: Dosierung, Vitamin, Geschmack insgesamt. The return rate is 0.1%.
When does demand for d3 k2 tropfen peak?
Demand peaks in Feb–Nov; the busiest month runs 2.3× the quietest.
What does it cost to enter the d3 k2 tropfen niche?
Listings span €9.97–€29.22; the average listing price is €17.29 (sweet spot $15–$100). The average incumbent carries 3,052 reviews — the moat a new listing must climb.