kefir
Worth a lookShows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 6% kills the launch gate
Avg price
Great€19.83avg listing price — sweet spot $15–$100
Review moat
Good591.79avg incumbent reviews — the moat a new listing must climb
Price range
Good€1.42–€44.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Good5.1%search→purchase rate — share of searches ending in a sale
Market size
Good€408K€408K/yr · 404K searches
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Growth
Bad-14.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon Germany niche tracking, kefir is a €408K/yr Amazon Germany market (404K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Apr. Verdict: Worth a look — 59/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 20K–25K
- avg 500–750/product
- Revenue / yr
- €397K–€496K
- units × avg price
- Launch success
- —
- 1 of 1 new (360d)
- Conversion rate
- 5.1%
- Avg BSR
- #24
- Page quality
- 0%
- Prime
- 31%
- Sponsored
- 76%
- Out of stock
- 4.3%
- Avg brand age
- 43 months
- Avg seller age
- 192 days
Competition
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
34
Top-5 brand share
77%
Top 20: 100%
Top-5 click share
47%
Top 20: 91%
Open market
18%
- Kefir-for-all27%
- Fairment21%
- Curly Superfood13%
- Natural Probio8%
- Coolinario7%
- Kilner5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -14.3% search growth over the last 90 days.Peak months: Apr · busiest ÷ quietest = 1.7×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 29 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fairment Starterkultur Kefir | Bio Milchkefir einfach selber machen | Kefir mit Langlebigen Knollen | Mit deutscher Schritt-für-Schritt-Anleitung | 1x Bio Kultur Kefir Knollen
Fairment€18.234.1★731 rev
Kefir-for-all Milchkefir Kaukasische Kefirknollen Starterkultur zur Herstellung von Kefir wachstumsstark
Kefir-for-all€14.144.7★908 rev
Milchkefir Tibetanische Kefirknollen
Kefir-for-all€14.014.5★1,883 rev
Curly Superfood Kefir Starter Set Bio - Kefirknollen aus deutscher Herstellung zum einfachen Herstellen von Milchkefir - Frischer Kefirpilz inkl. Kefir Zubehör & ausführlicher Anleitung
Curly Superfood€37.574.5★343 rev
Coolinario L Reuteri Kefir Starter 5 Beutel à 1g
Coolinario€7.503.9★339 rev
Newest
by launch date
fermania Bio Wasserkefir Starter Set inkl. Geling-Garantie & Fermentations-Guide - Probiotischen Kefir kinderleicht selber machen (unbegrenzt) - Lebende Japankristalle aus Lippstadt
fermania€34.7112 rev
Coolinario L Reuteri Kefir Starter 5 Beutel à 1g
Coolinario€7.50339 rev
Coolinario Kefir Starterkultur (5x1 g) Lebende Probiotika | Cremig & Mild | Gentechnik- Konservierungs- Gluten- Halal- & Koscher-frei
Coolinario€5.891,043 rev
HeldenPilz BIO Milchkefir Starterkultur Milchkefir selber machen mit lebenden Kefirknollen | Wachstumsstark & unbegrenzt wiederverwendbar | Starter mit Anleitung | Plastikfrei
HeldenPilz€17.75114 rev
HeldenPilz - BIO Milchkefir Starterkultur 100% lebende Kefirknollen für unendliche Kefir-Herstellung | Einfach nachhaltig & wiederverwendbar | Perfekt für DIY-Fermentation
HeldenPilz€17.2674 rev
Trending
90-day click momentumfermania Bio Wasserkefir Starter Set inkl. Geling-Garantie & Fermentations-Guide - Probiotischen Kefir kinderleicht selber machen (unbegrenzt) - Lebende Japankristalle aus Lippstadt
fermania€34.715.0★
Coolinario L Reuteri Kefir Starter 5 Beutel à 1g
Coolinario€7.503.9★
Fairment - Original Bio Wasserkefir Kristalle Starterkulturen für unendlich viel Wasser-Kefir mit Anleitung und Erfolgsgarantie (1 Liter (30g Kristalle)
Fairment€18.134.5★
fairment Milch Kefir Starter Set - Anfängerfreundlich | Sofort Startklar | 100% Bio Kefirkultur - Mit Zubehör + Handbuch + Zugang zu Kefir-Brauer-Community - Original fairment Milchkefir Starterkit
Fairment€44.544.1★
Kilner Kefir Set
Kilner€17.444.0★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Super Produkt”
“Very tasty”
“Super verständliche Gebrauchsanleitung”
“Super easy”
“Dank der tollen Beschreibung”
“Super aromatischer Kefir”
“Gesundes Lebensmittel”
“Klappt super - täglich frischer Kefir”
“Sauer, dick sahnige Konsistenz, leicht kohlensäurehaltig”
“Top Bio Kefirknollen”
What buyers complain about
“Leider teurer Müll”
“Funktioniert nicht”
“Die Milch wird sauer”
“Kefirpilz ist klein”
“Sehr schlechte Qualität”
“Fehlkauf - Kefir schmeckt grauenhaft”
“und übel gerochen”
“Unangenehmer Geschmack”
“Überraschung: Der QR Code der Anleitung verweist auf eine nicht bestehende Web Site”
“Irreführende Gewichtsangabe”
Top return reasons
Common questions
- Is kefir profitable to sell on Amazon Germany?
- The niche generates €408K/yr across 29 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -14.3%. Flapen's verdict: Worth a look (59/100).
- How competitive is the kefir niche?
- 15 brands and 34 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 77% of demand.
- What do buyers complain about in kefir?
- Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Funktionalität insgesamt, Sauer. The return rate is 0.1%.
- When does demand for kefir peak?
- Demand peaks in Apr; the busiest month runs 1.7× the quietest.
- What does it cost to enter the kefir niche?
- Listings span €1.42–€44.54; the average listing price is €19.83 (sweet spot $15–$100). The average incumbent carries 592 reviews — the moat a new listing must climb.
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