Is cardione profitable to sell on Amazon Germany?

The niche generates €42K/yr across 7 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -73.9%. Flapen's verdict: Skip it (38/100).

How competitive is the cardione niche?

6 brands and 10 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 96% of demand.

What do buyers complain about in cardione?

Top complaints mined from reviews: Funktionalität insgesamt, Blutdruck, Qualität insgesamt. The return rate is 0.2%.

When does demand for cardione peak?

Demand peaks in Jul–Sep; the busiest month runs 3.6× the quietest.

What does it cost to enter the cardione niche?

Listings span €20.38–€132.63; the average listing price is €51.75 (sweet spot $15–$100). The average incumbent carries 4,215 reviews — the moat a new listing must climb.

cardione

Skip it

Soft demand (-73.9% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Avg price

Great€51.75

avg listing price — sweet spot $15–$100

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Price range

Good€20.38–€132.63

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

Conversion

Good5.8%

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

Review moat

Bad4,215.29

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad96%

top-5 brand share — brand-locked demand

Market size

Bad€42K

€42K/yr · 14K searches

Competition

Bad90%

top-5 click share — a locked-up shelf

Growth

Bad-73.9%

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

Signals Low Review Barrier High Price

According to Flapen's Amazon Germany niche tracking, cardione is a €42K/yr Amazon Germany market (14K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jul–Sep. Verdict: Skip it — 38/100.

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

cardione market data

Units sold / yr: 250–500; avg 0–100/product
Revenue / yr: €13K–€26K; units × avg price
Conversion rate: 5.8%
Avg BSR: #609
Page quality: 0%
Prime: 57%
Sponsored: 71%
Out of stock: 7.7%
Avg brand age: 52 months
Avg seller age: 206 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 falling

Sellers

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

CARDIOBALANCE41%
MayProducts33%
Skoczylas10%
Saint Nutrition6%
AliveCor5%
sonnesee4%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -73.9% search growth over the last 90 days.

Peak months: Jul, Sep · busiest ÷ quietest = 3.6×

Open Trend

Top cardione search terms

cardio balance5K/yr -83.0%3.1% conv.
cardio balance original2K/yr -75.8%4.7% conv.
cardio tonus original915/yr -24.5%11.7% conv.
cardio tonus786/yr -41.8%5.4% conv.
cardio balance original hirschhausen3K/yr -61.6%0.0% conv.
cardiotonus original2K/yr -77.0%4.4% conv.
cardio balance original deutschland662/yr -67.6%2.2% conv.
cardiotonus455/yr -51.8%4.9% conv.
cardiobalance330/yr -77.6%0.0% conv.
cardio balance dm104/yr -50.0%0.0% conv.

All search terms

Top cardione 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★)1 product missing review or click data not plotted

All 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Kapseln CardioBalance | Herzgesundheit | Cranberry-Extrakt 450mg + Coenzym Q10 + L-Arginin | Kardiovaskuläre Formel mit Vitamin B1 B6 B9 Magnesium | 40 Kapseln

CARDIOBALANCE€39.293.8★136 rev

Cardiotonus Kapseln - Qualität für Männer und Frauen - 90 Kapseln Maxipack (3)

MayProducts€76.694.0★263 rev

Cardiotonus 10 stk (1)

Skoczylas€36.350.0★0 rev

Cardiotensive Kapseln | für deine körperliche Balance | einfache Anwendung | 90 Kapseln Inhalt

MayProducts€34.934.5★2 rev

Saint Nutrition Cardio Komplex Original Kapseln für Männer und Frauen - mit Premium Qualität fürs Herz 60 Kapseln - 30 Tage Vorrat

Saint Nutrition€20.384.2★58 rev

Newest

by launch date

Cardiotensive Kapseln | für deine körperliche Balance | einfache Anwendung | 90 Kapseln Inhalt

MayProducts€34.932 rev

7mo ago

10 in1 Formel Blutdruck Komplex 120 vegane Kapseln hochdosiert mit L-Arginin L-Citrullin Kalium OPC Coenzym Q10 & Magnesium laborgeprüft

sonnesee€21.98135 rev

1y ago

Cardiotonus 10 stk (1)

Skoczylas€36.350 rev

1y ago

KardiaMobile 6-Kanal Personal-EKG Herzfrequenz-Monitor + 1 Monat KardiaCare gratis Sechs Ansichten des Herzens erkennt Vorhofflimmern schnelle Ergebnisse

AliveCor€132.6328,913 rev

1y ago

Kapseln CardioBalance | Herzgesundheit | Cranberry-Extrakt 450mg + Coenzym Q10 + L-Arginin | Kardiovaskuläre Formel mit Vitamin B1 B6 B9 Magnesium | 40 Kapseln

CARDIOBALANCE€39.29136 rev

2y ago

What buyers say about cardione

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

What buyers love

Blutdruck29%

“Gut für den Blutdruck”

Herzgesundheit17%

“Hilft effektiv den Blutdruck zu senken”

Stärke8%

“Hilft”

Natürliche Inhaltsstoffe8%

“Naturbelassene Tabletten”

Funktionalität insgesamt8%

“Gerät funktioniert einwandfrei”

Vegan/Biologisch8%

“ok. vegane kapseln”

Design insgesamt4%

“Wertiges Design”

Nebenwirkungen4%

“Hilft effektiv den Blutdruck zu senken nach nur einer Woche Einnahme ohne großartige Nebenwirkung”

Messung / Ablesegenauigkeit4%

“Ergebniss sind aussagefähig für eine "Eigendiagnose".”

beworben Vs Tatsächliches Produkt4%

“Genau das was ich gesucht habe”

What buyers complain about

Funktionalität insgesamt42%

“keinerlei nennenswerte Wirkung”

Blutdruck17%

“Blutdruck immer noch 170 zu 100”

Qualität insgesamt17%

“Pro's, Kontras und überzogene negative Bewertungen”

Zertifizierungen8%

“Meiner Meinung nach widerspricht das dem EU-Datenschutz und dürfte so nicht in DE vertrieben werden”

Software/Anwendung8%

“ständig Probleme mit der App”

Top return reasons

Konnektivität – insgesamt21%

Messung / Ablesegenauigkeit17%

Software/Anwendung16%

Funktionalität insgesamt12%

Kompatibilität – insgesamt9%

beworben Vs Tatsächliches Produkt5%

Gesamtgröße5%

Defekt Material/Teile4%

Preis-Leistungs-Verhältnis3%

Gesamt anzeigen3%

Common questions

Is cardione profitable to sell on Amazon Germany?: The niche generates €42K/yr across 7 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -73.9%. Flapen's verdict: Skip it (38/100).
How competitive is the cardione niche?: 6 brands and 10 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 96% of demand.
What do buyers complain about in cardione?: Top complaints mined from reviews: Funktionalität insgesamt, Blutdruck, Qualität insgesamt. The return rate is 0.2%.
When does demand for cardione peak?: Demand peaks in Jul–Sep; the busiest month runs 3.6× the quietest.
What does it cost to enter the cardione niche?: Listings span €20.38–€132.63; the average listing price is €51.75 (sweet spot $15–$100). The average incumbent carries 4,215 reviews — the moat a new listing must climb.

cardione

cardione market data

Competition & brand share

Demand & seasonality

Top cardione search terms

Top cardione products on Amazon

Top sellers

Newest

Trending

What buyers say about cardione

What buyers love

What buyers complain about

Top return reasons

Common questions

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