---
title: "fastenkur — €716K/yr Amazon Germany Niche, Score 54/100 - Flapen"
canonical_url: "https://flapen.com/research/de/lebensmittel-getraenke/fastenkur"
last_updated: "2026-07-21T06:37:40.706Z"
locale: en
meta:
description: "fastenkur shows low returns (0.0%), but soft demand (-43.3% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "fastenkur shows low returns (0.0%), but soft demand (-43.3% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "fastenkur — €716K/yr Amazon Germany Niche, Score 54/100 - Flapen"
---
# **fastenkur**
**Worth a look**
Shows low returns (0.0%), but soft demand (-43.3% this quarter) keeps it on the watch list.
Market size 69Growth 3Conversion 41Competition 51Returns 100Price range 67Avg price 85Brand share 18Review moat 87Quality gap 76
**Returns**
**Incredible****0.0%**
return rate — above 6% kills the launch gate
**Review moat**
**Great****269.59**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****€71.83**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****€716K**
€716K/yr · 305K searches
**Price range**
**Good****€20.35–€139.67**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****55%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.3%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****93%**
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 ~~](https://flapen.com/research/methodology)
## **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.
5K3KSpike '26Feb '26Mar '26Apr '26Apr '26May '26Jun '26Jun '26
[**Open Trend **](https://flapen.com/research/de/lebensmittel-getraenke/fastenkur/trend)
## **Product shelf**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%€72K20%€143K30%€215K40%€286K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**LiveFresh Saftkur 3 Tage 21 Säfte (250ml) & 9 Shots (60ml)**LiveFresh**€63.93**4.4★859 rev](https://www.amazon.de/dp/B0D88X9DKZ) [2**duówell - balance Saftwoche Set Bio | Fasten-Set mit Ablaufplan | 7 tägige Bio Saftkur inkl. Säfte Suppe Moringatee & Superfoods | Fastenkur i**Duowell**€55.70**4.0★472 rev](https://www.amazon.de/dp/B01AKB5PQM) [3**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**€68.37**4.3★83 rev](https://www.amazon.de/dp/B0DRSQBCR2) [4**LiveFresh Saftkur 5 Tage 35 Säfte (250ml) & 15 Shots (60ml)**LiveFresh**€99.70**4.4★859 rev](https://www.amazon.de/dp/B097PY8HZQ) [5**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**€68.45**3.9★14 rev](https://www.amazon.de/dp/B0FS368L3B)
**~~View all top sellers →~~**
### **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**€48.05**3 rev3mo ago](https://www.amazon.de/dp/B0GTMTKYW2) [**LiveFresh Saftkur 3 Tage 21 Säfte (250ml) & 9 Shots (60ml)**LiveFresh**€63.93**859 rev3mo ago](https://www.amazon.de/dp/B0D88X9DKZ) [**LiveFresh Saftkur 5 Tage 35 Säfte (250ml) & 15 Shots (60ml)**LiveFresh**€99.70**859 rev3mo ago](https://www.amazon.de/dp/B097PY8HZQ) [**LiveFresh Saftkur 7 Tage 49 Säfte (250ml) & 21 Shots (60ml)**LiveFresh**€135.10**859 rev3mo ago](https://www.amazon.de/dp/B089NVV1VW) [**Gewußt wie Bio Saftfasten Woche | 5-Tage Detox Saftkur Komplettset Mit Bio Säften Zur Entschlackung & Energie | Vegan | Inklusive Anleitung**Gewußt wie**€51.55**6 rev9mo ago](https://www.amazon.de/dp/B0FTM9Z5JC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**€48.05**5.0★**▲ 638%**](https://www.amazon.de/dp/B0GTMTKYW2) [**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**€68.45**3.9★**▲ 557%**](https://www.amazon.de/dp/B0FS368L3B) [**Schoenenberger - Schlankheits-Kur Möhre-Mango Fruchtig - Set mit Möhre-Apfel-Mango Artischocken- Brennnessel- Kartoffelsaft - gesundes Ernährungskonzept zum Abnehmen - Saftkur für 10 Tage - bio**Schoenenberger**€44.68**4.2★**▲ 258%**](https://www.amazon.de/dp/B0029W2XSE) [**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**€126.28**4.2★**▲ 239%**](https://www.amazon.de/dp/B0B9YP7MZY) [**Gewußt wie Bio Saftfasten Woche | 5-Tage Detox Saftkur Komplettset Mit Bio Säften Zur Entschlackung & Energie | Vegan | Inklusive Anleitung**Gewußt wie**€51.55**5.0★**▲ 175%**](https://www.amazon.de/dp/B0FTM9Z5JC)
**~~View all trending →~~**
## **Reviews**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Geschmack insgesamt**40%
*“Yummy”*
**Qualität insgesamt**13%
*“Super Produkt”*
**Geschmack**9%
*“Schmecken lecker”*
**beworben Vs Tatsächliches Produkt**3%
*“Hält was es verspricht”*
**Ernährungs Gehalt**3%
*“Fühle mich super, habe auch kein Hungergefühl”*
**Frische**2%
*“Saftkur live fresh”*
**Benutzerfreundlichkeit**2%
*“ab Tag zwei war es super easy.”*
**Löslichkeit**2%
*“Pulver löst sich gut auf”*
**Energieniveau**2%
*“Sehr lecker und macht wach”*
**Reguliert die Verdauung**2%
*“Verdauung tut es gut”*
### **What buyers complain about **
**Preis-Leistungs-Verhältnis**14%
*“Absolute Geldverschwendung”*
**Geschmack insgesamt**11%
*“schmeckt absolut schrecklich”*
**Geschmack**8%
*“Geschmacklich eher nicht so gut”*
**Süße**4%
*“Zu süß”*
**Verdünnt/wässrig**4%
*“Wenn man das Pulver ins Glas tut und danach langsam Wasser einfüllt, kurz umrührt, dann ist alles aufgelöst”*
**Funktionalität insgesamt**3%
*“Bei meiner Frau wirkt es bei mir nicht”*
**Dosierung**3%
*“Unterdosiert”*
**Anleitung/Benutzerhandbuch/Fehlerbehebung**2%
*“Das einzige was mir gefehlt hat war eine Anleitung der Saftkur, denn nicht jeder möchte oder kann die App dafür benutzen”*
**Ernährungs Gehalt**2%
*“Leider hatte ich doch immer ein Hungergefühl”*
**Entflammbar**2%
*“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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