Skip to content
59

insulin pen

Worth a look

Shows a thin review moat (36 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 11Growth 53Conversion 27Competition 48Returns 97Price range 88Avg price 95Brand share 62Review moat 98Quality gap 97

Review moat

Incredible36.34

avg incumbent reviews — the moat a new listing must climb

Quality gap

Incredible3.8★

avg incumbent rating — lower means beatable quality

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Avg price

Incredible€38.39

avg listing price — sweet spot $15–$100

Price range

Great€6.84–€99.35

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

Brand share

Good68%

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

Growth

Good+25.1%

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

Competition

Okay56%

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

Conversion

Okay2.2%

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

Market size

Bad€42K

€42K/yr · 50K searches

According to Flapen's Amazon Germany niche tracking, insulin pen is a €42K/yr Amazon Germany market (50K searches/yr). The top 5 brands hold 68% of demand. Verdict: Worth a look — 59/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

insulin pen market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
€19K–€29K
units × avg price
Conversion rate
2.2%
Avg BSR
#83
Page quality
0%
Prime
66%
Sponsored
72%
Out of stock
28.6%
Avg brand age
22 months
Avg seller age
248 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 rising

Sellers

39

Top-5 brand share

68%

Top 20: 100%

Top-5 click share

56%

Top 20: 92%

Open market

25%

  • AMAINKI18%
  • Rouclo16%
  • ZHANXUBIO14%
  • LabForge12%
  • ATC Handels GmbH8%
  • JLFDLLYYZQ8%

Top insulin pen search terms

  • insulin pen37K/yr
  • insulinpen7K/yr
  • injection pen3K/yr
  • insulin pen lilly3K/yr
All search terms

Top insulin pen 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%4%€2K8%€3K12%€5K16%€7K110100 Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)4 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about insulin pen

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

What buyers love

Qualität insgesamt19%

“Top Produkt”

Gesamtgröße13%

“Passt”

beworben Vs Tatsächliches Produkt12%

“Es tut was es soll”

Benutzerfreundlichkeit10%

“Sehr gut und Praktisch”

Dosierung8%

“Präzise Dosierung”

Preis-Leistungs-Verhältnis7%

“Preis Leistung super”

Stärke5%

“robust”

Vitamin5%

“Perfekt für Injektionen für Vitamine”

Portabilität3%

“Kompakt & Komfortabel”

Genauigkeit insgesamt3%

“Genauigkeit 95-98% Sehr gute Genauigkeit”

What buyers complain about

Qualität insgesamt17%

“minderwertiges Produkt”

Preis-Leistungs-Verhältnis14%

“Teuer”

Dicke8%

“Die Nadeln sind dünn und stumpf und ich merke sie kaum bei der Anwendung”

Stärke8%

“Stumpf”

Dosierung8%

“Labor-Anarchie im Badezimmer – Jetzt wird dosiert wie in der Chirurgie”

Kompatibilität – insgesamt6%

“nutzlos, war nicht kompatibel mit den Insulinpatronen”

Gesamtgröße6%

“auch noch Kleiner”

Haltbarkeit6%

“schieben und brach ab.”

Funktionalität insgesamt6%

“Der PEN hat keinen Endanschlag. Der PEN merkt nicht das die Patrone leer ist. Man stellt noch Einheiten ein, die nicht mehr verabreicht werden. Also ist das Gerät nicht verwendbar. Er ist somit völlig ungeeignet. NICHT zu EMPFEHLEN.”

Flexibilität6%

“Nadeln verbiegen sehr leicht”

Top return reasons

Gesamtgröße27%
Funktionalität insgesamt23%
Kompatibilität – insgesamt8%
Defekt Material/Teile7%
Qualität insgesamt6%
Materialqualität5%
beworben Vs Tatsächliches Produkt5%
Metallqualität2%
Dosierung2%
Haltbarkeit2%

Common questions

Is insulin pen profitable to sell on Amazon Germany?
The niche generates €42K/yr across 29 tracked products. 3 of 20 products launched in the last 360 days are still selling. 90-day search growth is +25.1%. Flapen's verdict: Worth a look (59/100).
How competitive is the insulin pen niche?
20 brands and 39 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 68% of demand.
What do buyers complain about in insulin pen?
Top complaints mined from reviews: Qualität insgesamt, Preis-Leistungs-Verhältnis, Dicke. The return rate is 0.5%.
What does it cost to enter the insulin pen niche?
Listings span €6.84–€99.35; the average listing price is €38.39 (sweet spot $15–$100). The average incumbent carries 36 reviews — the moat a new listing must climb.