fastenkur
Worth a lookShows low returns (0.0%), but soft demand (-43.3% this quarter) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Review moat
Great269.59avg incumbent reviews — the moat a new listing must climb
Avg price
Great€71.83avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Market size
Good€716K€716K/yr · 305K searches
Price range
Good€20.35–€139.67cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.3%search→purchase rate — share of searches ending in a sale
Brand share
Bad93%top-5 brand share — brand-locked demand
Growth
Bad-43.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon Germany niche tracking, fastenkur is a €716K/yr Amazon Germany market (305K searches/yr). The top 5 brands hold 93% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- €575K–€718K
- units × avg price
- Launch success
- 67%
- 4 of 6 new (360d)
- Conversion rate
- 3.3%
- Avg BSR
- #124
- Page quality
- 0%
- Prime
- 18%
- Sponsored
- 95%
- Out of stock
- 10.6%
- Avg brand age
- 46 months
- Avg seller age
- 180 days
Competition
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
9 falling
Sellers
17
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
55%
Top 20: 98%
Open market
5%
- LiveFresh62%
- Frank Juice14%
- Duowell10%
- Schoenenberger4%
- NATURTREU2%
- Rabenhorst2%
- Open — no brand owns it (3 brands, 5%)
Demand
Weekly Amazon search volume, last 21 weeks — -43.3% search growth over the last 90 days.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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
LiveFresh Saftkur 3 Tage 21 Säfte (250ml) & 9 Shots (60ml)
LiveFresh€63.934.4★859 rev
duówell - balance Saftwoche Set Bio | Fasten-Set mit Ablaufplan | 7 tägige Bio Saftkur inkl. Säfte Suppe Moringatee & Superfoods | Fastenkur i
Duowell€55.704.0★472 rev
LiveFresh Saftkur 3 Tage + BIO Brühe 21 Säfte (250ml) & 9 Shots (60ml) kaltgepresst + Bio Gemüsepaste (135g) 743 Kalorien pro Tag Tipps zum nachhaltigen Abnehmen in der LiveFresh App
LiveFresh€68.374.3★83 rev
LiveFresh Saftkur 5 Tage 35 Säfte (250ml) & 15 Shots (60ml)
LiveFresh€99.704.4★859 rev
LiveFresh Saftkur 3 Tage + Glucomannan 21 Säfte (250ml) & 9 Shots (60ml) kaltgepresst 743 Kalorien pro Tag Tipps zum nachhaltigen Abnehmen in der LiveFresh App
LiveFresh€68.453.9★14 rev
Newest
by launch date
frank. No Breakfast Club | 14 Tage Halbtages Saftkur statt Frühstück | 14 x 330 ml kaltgepresste Säfte + 1 x 500 ml Ingwer Shot | HPP Direktsaft | vegan | unter 4 pro Tag
Frank Juice€48.053 rev
LiveFresh Saftkur 3 Tage 21 Säfte (250ml) & 9 Shots (60ml)
LiveFresh€63.93859 rev
LiveFresh Saftkur 5 Tage 35 Säfte (250ml) & 15 Shots (60ml)
LiveFresh€99.70859 rev
LiveFresh Saftkur 7 Tage 49 Säfte (250ml) & 21 Shots (60ml)
LiveFresh€135.10859 rev
Gewußt wie Bio Saftfasten Woche | 5-Tage Detox Saftkur Komplettset Mit Bio Säften Zur Entschlackung & Energie | Vegan | Inklusive Anleitung
Gewußt wie€51.556 rev
Trending
90-day click momentumfrank. No Breakfast Club | 14 Tage Halbtages Saftkur statt Frühstück | 14 x 330 ml kaltgepresste Säfte + 1 x 500 ml Ingwer Shot | HPP Direktsaft | vegan | unter 4 pro Tag
Frank Juice€48.055.0★
LiveFresh Saftkur 3 Tage + Glucomannan 21 Säfte (250ml) & 9 Shots (60ml) kaltgepresst 743 Kalorien pro Tag Tipps zum nachhaltigen Abnehmen in der LiveFresh App
LiveFresh€68.453.9★
Schoenenberger - Schlankheits-Kur Möhre-Mango Fruchtig - Set mit Möhre-Apfel-Mango Artischocken- Brennnessel- Kartoffelsaft - gesundes Ernährungskonzept zum Abnehmen - Saftkur für 10 Tage - bio
Schoenenberger€44.684.2★
Frank Juice 7 Tage Saftkur mit Suppe | 35 x 330ml Säfte + 7 x 350ml Bio Suppen + 7 x 60ml Bio Ingwer shot | Direktsaft kaltgepresst Vegan | ideale Fastenkur aus frischem Obst & Gemüse
Frank Juice€126.284.2★
Gewußt wie Bio Saftfasten Woche | 5-Tage Detox Saftkur Komplettset Mit Bio Säften Zur Entschlackung & Energie | Vegan | Inklusive Anleitung
Gewußt wie€51.555.0★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Yummy”
“Super Produkt”
“Schmecken lecker”
“Hält was es verspricht”
“Fühle mich super, habe auch kein Hungergefühl”
“Saftkur live fresh”
“ab Tag zwei war es super easy.”
“Pulver löst sich gut auf”
“Sehr lecker und macht wach”
“Verdauung tut es gut”
What buyers complain about
“Absolute Geldverschwendung”
“schmeckt absolut schrecklich”
“Geschmacklich eher nicht so gut”
“Zu süß”
“Wenn man das Pulver ins Glas tut und danach langsam Wasser einfüllt, kurz umrührt, dann ist alles aufgelöst”
“Bei meiner Frau wirkt es bei mir nicht”
“Unterdosiert”
“Das einzige was mir gefehlt hat war eine Anleitung der Saftkur, denn nicht jeder möchte oder kann die App dafür benutzen”
“Leider hatte ich doch immer ein Hungergefühl”
“das ist wohl bekannt das es tendenziell entzündlich ist insbesondere bei Erhitzung”
Common questions
- Is fastenkur profitable to sell on Amazon Germany?
- The niche generates €716K/yr across 22 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is -43.3%. Flapen's verdict: Worth a look (54/100).
- How competitive is the fastenkur niche?
- 9 brands and 17 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in fastenkur?
- Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Geschmack insgesamt, Geschmack. The return rate is 0.0%.
- What does it cost to enter the fastenkur niche?
- Listings span €20.35–€139.67; the average listing price is €71.83 (sweet spot $15–$100). The average incumbent carries 270 reviews — the moat a new listing must climb.
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