Is k2 tropfen profitable to sell on Amazon Germany?

The niche generates €298K/yr across 9 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -34.7%. Flapen's verdict: Skip it (45/100).

How competitive is the k2 tropfen niche?

8 brands and 7 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 87% of demand.

What do buyers complain about in k2 tropfen?

Top complaints mined from reviews: Dosierung, Geschmack insgesamt, Auslaufsicher. The return rate is 0.1%.

When does demand for k2 tropfen peak?

Demand peaks in Feb–Nov; the busiest month runs 2.4× the quietest.

What does it cost to enter the k2 tropfen niche?

Listings span €8.21–€23.06; the average listing price is €14.54 (sweet spot $15–$100). The average incumbent carries 1,681 reviews — the moat a new listing must climb.

k2 tropfen

Skip it

Soft demand (-34.7% this quarter) — this niche doesn't clear our bar today.

Conversion

Incredible19.3%

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

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Good€14.54

avg listing price — sweet spot $15–$100

Price range

Good€8.21–€23.06

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

Market size

Good€298K

€298K/yr · 106K searches

Review moat

Okay1,680.67

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay87%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad85%

top-5 click share — a locked-up shelf

Growth

Bad-34.7%

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

According to Flapen's Amazon Germany niche tracking, k2 tropfen is a €298K/yr Amazon Germany market (106K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Feb–Nov. Verdict: Skip it — 45/100.

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

k2 tropfen market data

Units sold / yr: 15K–20K; avg 2,000–2,500/product
Revenue / yr: €218K–€291K; units × avg price
Conversion rate: 19.3%
Avg BSR: #13
Page quality: 0%
Prime: 89%
Sponsored: 89%
Out of stock: 11.1%
Avg brand age: 60 months
Avg seller age: 197 days

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

ProFuel33%
natural elements19%
NatureWell18%
Wehle Sports9%
Nature Love7%
SUNDAY NATURAL7%
Open — no brand owns it (2 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -34.7% search growth over the last 90 days.

Peak months: Feb, Nov · busiest ÷ quietest = 2.4×

Open Trend

Top k2 tropfen search terms

vitamin k2 tropfen47K/yr -36.9%16.0% conv.
k2 tropfen41K/yr -35.1%16.2% conv.
k2 tropfen hochdosiert4K/yr -31.4%14.1% conv.
vitamin k2 mk7 tropfen3K/yr -25.1%12.0% conv.
k2 mk7 tropfen3K/yr -25.2%12.7% conv.
vit k2 tropfen3K/yr -18.5%18.2% conv.
k2 vitamin tropfen3K/yr -31.4%14.7% conv.
vitamin k tropfen3K/yr -35.1%8.6% conv.

All search terms

Top 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Vitamin K2 Tropfen hochdosiert 1800x (50ml) - 200 g Vitamin K2 MK7 Pharmaquinone Premium Vit. K2 hochdosiert mit 99 7+% all-trans-Gehalt - laborgeprüft mit Zertifikat - 100% vegan

ProFuel€10.294.8★1,056 rev

natural elements Vitamin K2 MK-7 200g 50 ml all-Trans Gehalt >99 7% laborgeprüft vegan hochdosiert & in Deutschland produziert

natural elements€21.644.7★5,968 rev

Vitamin K2 Tropfen 1800x (50ml) - optimal hochdosiert mit 200 g Vitamin K2 MK7 - Premium-Rohstoff Pharmaquinone mit 99 7+% all-trans-Gehalt - laborgeprüft mit Zertifikat - 100% vegan

NatureWell€9.944.7★79 rev

Vitamin K2 MK7 200g 1850 Tropfen 50ml - Premium: 99% All-Trans Menaquinon - Laborgeprüft vegan hochdosiert und hergestellt in DE. - Verpackung kann variieren

Wehle Sports€13.554.7★949 rev

NATURE LOVE Vitamin K2 MK7-200g - 1700 Tropfen (50ml) - Höchster all-trans-Gehalt 99 7+% - Hochwertig: K2VITAL von Kappa - gelöst in MCT Kokos-Öl - Hochdosiert vegan & in Deutschland produziert

Nature Love€23.064.7★4,908 rev

Newest

by launch date

SUNDAY NATURAL Vitamin D3 K2 Tropfen Premium Vitamin D 3 1.000 IE (25g) + K2-MK7 99 8% all-trans 20g Kölner Liste - Hohe Bioverfügbarkeit ohne unnötige Zusätze laborgeprüft

SUNDAY NATURAL€13.711,032 rev

8mo ago

Vitamin K2 Tropfen 1800x (50ml) - optimal hochdosiert mit 200 g Vitamin K2 MK7 - Premium-Rohstoff Pharmaquinone mit 99 7+% all-trans-Gehalt - laborgeprüft mit Zertifikat - 100% vegan

NatureWell€9.9479 rev

11mo ago

Vegan Drops - Vitamin K2 Tropfen als bioaktive MK-7 Form mit dem Markenrohstoff K2 Vital - 200g pro Tagesdosis - 1020 Tropfen 102 Tage Reichweite - vegan ohne Alkohol & in Deutschland produziert

vegan drops€10.5737 rev

1y ago

Vitamin K2 Tropfen 1800x (50ml) | 200g Pro Tagesdosierung | Höchste Bioverfügbarkeit | Flüssigform | Horbaach

Horbäach€8.2141 rev

1y ago

Vitamin K2 Tropfen hochdosiert 3600x (2x50ml) - 200 g Vitamin K2 MK7 Pharmaquinone Premium Vit. K2 hochdosiert mit 99 7+% all-trans-Gehalt - laborgeprüft mit Zertifikat - 100% vegan

ProFuel€19.941,056 rev

4y ago

What buyers say about k2 tropfen

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

What buyers love

Qualität insgesamt26%

“Super Produkt”

Vitamin16%

“Bestes Vitamin k2”

Dosierung12%

“Ideale Mischung D3 K2, gut zu dosieren”

Preis-Leistungs-Verhältnis8%

“Super Preis/Leistung”

Benutzerfreundlichkeit7%

“Beste Handhabung schnell und einfach”

Geschmack insgesamt3%

“gut im Geschmack”

beworben Vs Tatsächliches Produkt3%

“Erfüllt seinen Zweck”

Geschmack3%

“Geschmacklich gut”

Inhaltsstoffe – insgesamt2%

“Gutes Produkt, zu geringes Konzentrat”

Einfaches Kauen/Schlucken2%

“mit der Pinpette gut zu portionieren”

What buyers complain about

Dosierung15%

“1 Tropfen am Tag”

Geschmack insgesamt9%

“Tropfen schmeckten Ranzig”

Auslaufsicher7%

“Schraubverschluss leider undicht”

Vitamin6%

“Vitamin D ist eigentlich keine reguläre Vitamine”

Funktionalität insgesamt5%

“Wirken tut da nix”

Qualität insgesamt5%

“Nicht optimal”

Preis-Leistungs-Verhältnis4%

“Preis relativ hoch”

Schmierung3%

“das Öl läuft aus.”

Messung / Ablesegenauigkeit2%

“Das beeinträchtigt die Genauigkeit der Pipette”

Haltbarkeit2%

“fragwürdige Haltbarkeitsangabe”

Top return reasons

Inhaltsstoffe – insgesamt40%

Löslichkeit20%

Auslaufsicher20%

Kompatibilität – insgesamt20%

Common questions

Is k2 tropfen profitable to sell on Amazon Germany?: The niche generates €298K/yr across 9 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -34.7%. Flapen's verdict: Skip it (45/100).
How competitive is the k2 tropfen niche?: 8 brands and 7 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in k2 tropfen?: Top complaints mined from reviews: Dosierung, Geschmack insgesamt, Auslaufsicher. The return rate is 0.1%.
When does demand for k2 tropfen peak?: Demand peaks in Feb–Nov; the busiest month runs 2.4× the quietest.
What does it cost to enter the k2 tropfen niche?: Listings span €8.21–€23.06; the average listing price is €14.54 (sweet spot $15–$100). The average incumbent carries 1,681 reviews — the moat a new listing must climb.