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konzentration

Skip it

A small market ($25K/yr) — this niche doesn't clear our bar today.

Market size 6Growth 6Conversion 34Competition 52Returns 99Price range 73Avg price 85Brand share 77Review moat 83Quality gap 62

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Avg price

Great€18.95

avg listing price — sweet spot $15–$100

Review moat

Great332.52

avg incumbent reviews — the moat a new listing must climb

Brand share

Great58%

top-5 brand share — no brand owns this niche

Price range

Good€3.68–€45.58

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Good54%

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

Conversion

Okay2.7%

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

Market size

Bad€25K

€25K/yr · 49K searches

Growth

Bad-37.3%

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

According to Flapen's Amazon Germany niche tracking, konzentration is a €25K/yr Amazon Germany market (49K searches/yr). The top 5 brands hold 58% of demand. Demand peaks in Feb. Verdict: Skip it — 49/100.

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

konzentration market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
€28K–€38K
units × avg price
Conversion rate
2.7%
Avg BSR
#120
Page quality
0%
Prime
96%
Sponsored
84%
Out of stock
1.4%
Avg brand age
43 months
Avg seller age
187 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

22 falling

Sellers

60

Top-5 brand share

58%

Top 20: 99%

Top-5 click share

54%

Top 20: 94%

Open market

38%

  • Kneipp22%
  • VROODY13%
  • Vitasprint12%
  • BodyMindCheck6%
  • Doppelherz5%
  • Primavera5%

Demand & seasonality

Weekly Amazon search volume, last 67 weeks — -37.3% search growth over the last 90 days.
2K1KBlack Friday '25AprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Feb · busiest ÷ quietest = 1.8×

Top konzentration search terms

  • konzentration28K/yr
  • konzentration tabletten8K/yr
  • gedächtnis5K/yr
  • gedächtnis tabletten3K/yr
  • konzentrations tabletten3K/yr
  • gehirn tabletten2K/yr
All search terms

Top konzentration 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%5%€1K10%€2K15%€4K20%€5K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about konzentration

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

What buyers love

Fokusverbesserung14%

“Ein solider Brain-Booster für alle, die lange konzentriert arbeiten müssen”

Qualität insgesamt11%

“Super Produkt”

Dosierung6%

“pro Tablette ordentlich hoch.”

Vitamin6%

“Sehr viel einfacher auf die Vitamine zu achten wenn sie so gut schmecken”

Geschmack insgesamt5%

“Gut schmeckende Sticks von sanotact”

Inhaltsstoffe – insgesamt5%

“Das Ginkgo Biloba von natural elements macht einen hochwertigen Eindruck”

beworben Vs Tatsächliches Produkt4%

“Produkt wie beschrieben”

Gesamtgröße4%

“Fitter”

Energieniveau4%

“Perfekter Energieschub to go”

Geruch3%

“Schnelle Lieferung super Duft”

What buyers complain about

Funktionalität insgesamt12%

“Null Wirkung”

Dosierung9%

“Nicht wie im Text 6000 mg”

Preis-Leistungs-Verhältnis6%

“Der Preis ist aus meiner Sicht etwas erhöht”

Gesamtgröße6%

“Kurzversion”

Nebenwirkungen4%

“Kein spürbarer Effekt”

Geruch4%

“haben einen Eigengeruch, der aber nicht unangenehm ist.”

Geschmack insgesamt3%

“Grauenhafter Geschmack”

Vitamin3%

“Nicht die richtigen Vitamine”

beworben Vs Tatsächliches Produkt3%

“Erfüllt in keinster Weise den angegebenen Zeeck”

Ernährungs Gehalt3%

“Natürlich können Nahrungsergänzungsmittel bei jedem unterschiedlich wirken”

Top return reasons

Gesamtgröße33%
Geruch32%
beworben Vs Tatsächliches Produkt5%
Inhaltsstoffe – insgesamt5%
Stärke3%
Funktionalität insgesamt3%
Textur/Konsistenz – insgesamt2%
Zertifizierungen2%
Weiches Gefühl2%
Auslaufsicher2%

Common questions

Is konzentration profitable to sell on Amazon Germany?
The niche generates €25K/yr across 25 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -37.3%. Flapen's verdict: Skip it (49/100).
How competitive is the konzentration niche?
22 brands and 60 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 58% of demand.
What do buyers complain about in konzentration?
Top complaints mined from reviews: Funktionalität insgesamt, Dosierung, Preis-Leistungs-Verhältnis. The return rate is 0.2%.
When does demand for konzentration peak?
Demand peaks in Feb; the busiest month runs 1.8× the quietest.
What does it cost to enter the konzentration niche?
Listings span €3.68–€45.58; the average listing price is €18.95 (sweet spot $15–$100). The average incumbent carries 333 reviews — the moat a new listing must climb.