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48

isoflavone

Skip it

Soft demand (-76.6% this quarter) — this niche doesn't clear our bar today.

Market size 11Growth 0Conversion 63Competition 36Returns 100Price range 71Avg price 89Brand share 60Review moat 83Quality gap 68

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Great€20.43

avg listing price — sweet spot $15–$100

Review moat

Great349.31

avg incumbent reviews — the moat a new listing must climb

Price range

Good€5.58–€38.05

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good5.6%

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

Brand share

Good69%

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

Competition

Okay63%

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

Market size

Bad€46K

€46K/yr · 40K searches

Growth

Bad-76.6%

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

According to Flapen's Amazon Germany niche tracking, isoflavone is a €46K/yr Amazon Germany market (40K searches/yr). The top 5 brands hold 69% of demand. Verdict: Skip it — 48/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

isoflavone market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
€31K–€41K
units × avg price
Conversion rate
5.6%
Avg BSR
#28
Page quality
0%
Prime
94%
Sponsored
100%
Out of stock
5.1%
Avg brand age
62 months
Avg seller age
183 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

44

Top-5 brand share

69%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

24%

  • LifeWize22%
  • Doppelherz16%
  • Dr Böhm13%
  • ViVe Supplements10%
  • FürstenMED8%
  • Tulip BioPharma7%

Demand

Weekly Amazon search volume, last 18 weeks — -76.6% search growth over the last 90 days.
3K2KMar '26Mar '26Apr '26May '26May '26Jun '26

Top isoflavone search terms

  • isoflavone18K/yr
  • soja isoflavone6K/yr
  • isoflavone hochdosiert8K/yr
  • isoflavone wechseljahre5K/yr
  • flavona hormon balance isoflavone kapseln3K/yr
All search terms

Top isoflavone 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%10%€5K20%€9K30%€14K40%€18K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about isoflavone

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

What buyers love

Qualität insgesamt13%

“Top Produkt”

Dosierung8%

“Dosierungsempfehlung”

Vegan/Biologisch7%

“Vegan”

Menstruationsprobleme6%

“Habe schon viele Menopause Hilfsmittel ausprobiert. Aktuell hilft es mir super”

Preis-Leistungs-Verhältnis5%

“Mit 90 Kapseln reicht eine Dose bei üblicher Einnahme mehrere Monate - das Preis-Leistungs-Verhältnis ist für eine 6-Monats-Versorgung wirklich fair”

Hormonelles Gleichgewicht5%

“Wer auf der hormonellen Achterbahnfahrt des Lebens unaufgefordert in der ersten Reihe sitzt, freut sich über pflanzliche Begleiter”

Vitamin4%

“Bei der Vitamineule bin ich beruhigt”

Einfaches Kauen/Schlucken4%

“einfach zu schlucken”

beworben Vs Tatsächliches Produkt4%

“Macht was es soll”

Effizienz3%

“Hilft mir super”

What buyers complain about

Funktionalität insgesamt16%

“spüre keine wirkung”

Nebenwirkungen11%

“bisher keine spürbare Wirkung.”

beworben Vs Tatsächliches Produkt8%

“Hält nicht was sie es verspricht”

Schlafqualität8%

“Schlafstörungen”

Gesamtgröße6%

“kapseln sind sehr gross”

Geschmack insgesamt4%

“Ekliger Geschmack”

Allergien4%

“habe ich einen massiven Hautausschlag im Gesicht und Kophaut bekommen”

Genauigkeit insgesamt4%

“Kein Vergleich”

Preis-Leistungs-Verhältnis3%

“Dennoch stellt sich für mich die Frage nach dem Preis-Leistungs-Verhältnis, wenn kurzfristig kein Nutzen spürbar ist”

Herzgesundheit2%

“Zudem hatte ich das Gefühl, dass sich meine bestehenden Herzrhythmusstörungen während der Einnahme verschlechtert haben”

Common questions

Is isoflavone profitable to sell on Amazon Germany?
The niche generates €46K/yr across 16 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -76.6%. Flapen's verdict: Skip it (48/100).
How competitive is the isoflavone niche?
14 brands and 44 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in isoflavone?
Top complaints mined from reviews: Funktionalität insgesamt, Nebenwirkungen, beworben Vs Tatsächliches Produkt. The return rate is 0.1%.
What does it cost to enter the isoflavone niche?
Listings span €5.58–€38.05; the average listing price is €20.43 (sweet spot $15–$100). The average incumbent carries 349 reviews — the moat a new listing must climb.