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citrullin kapseln

Skip it

Soft demand (-18.2% this quarter) — this niche doesn't clear our bar today.

Market size 18Growth 16Conversion 87Competition 20Returns 100Price range 69Avg price 86Brand share 23Review moat 68Quality gap 62

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great10.1%

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

Avg price

Great€19.34

avg listing price — sweet spot $15–$100

Price range

Good€10.07–€26.17

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

Review moat

Good796

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Bad91%

top-5 brand share — brand-locked demand

Competition

Bad76%

top-5 click share — a locked-up shelf

Market size

Bad€72K

€72K/yr · 37K searches

Growth

Bad-18.2%

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

According to Flapen's Amazon Germany niche tracking, citrullin kapseln is a €72K/yr Amazon Germany market (37K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 46/100.

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

citrullin kapseln market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
€58K–€77K
units × avg price
Conversion rate
10.1%
Avg BSR
#25
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
3.1%
Avg brand age
57 months
Avg seller age
176 days

Competition & brand share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

10

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

6%

  • ProFuel28%
  • WeightWorld27%
  • GEN GERMAN ELITE NUTRITION21%
  • BANDINI11%
  • natural elements4%
  • GymBeam3%
  • Open — no brand owns it (4 brands, 6%)

Demand

Weekly Amazon search volume, last 40 weeks — -18.2% search growth over the last 90 days.
1K750Spike '25Black Friday '25Spike '26Oct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26

Top citrullin kapseln search terms

  • l citrullin kapseln14K/yr
  • citrullin kapseln15K/yr
  • l-citrullin kapseln5K/yr
  • citrullin malat kapseln3K/yr
All search terms

Top citrullin kapseln 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%€7K20%€14K30%€22K40%€29K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

What buyers say about citrullin kapseln

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

What buyers love

Qualität insgesamt24%

“Super Produkt”

beworben Vs Tatsächliches Produkt8%

“Wie auf dem Produktbild zu sehen ist”

Preis-Leistungs-Verhältnis7%

“Preis Super”

Dosierung7%

“Die Dosierung von 3000 mg pro Tagesportion ist optimal”

Effizienz7%

“Wirkt”

Blutdruck5%

“Blutdruck stabilisiert”

Linderung von Muskelschmerzen4%

“Muskelaufbau”

Herzgesundheit3%

“Sensationell gegen Bluthochdruck”

Vitamin3%

“„Sehr gute Vitamine, klare Empfehlung“”

Gesamtgröße2%

“Danke passt”

What buyers complain about

Funktionalität insgesamt16%

“Uberhaupt nicht funktioniert”

Dosierung10%

“Komplizierte Einnahme”

Gesamtgröße8%

“Tabletten sind groß”

Nebenwirkungen5%

“Da Citrullin im Gegensatz zu Koffein keinerlei aufputschende oder stimulierende Wirkung hat”

Einfaches Kauen/Schlucken4%

“Tabletten lassen sich extrem schwer schlucken”

Säureregulator/Linderung von Magenschmerzen4%

“Magenprobleme”

Preis-Leistungs-Verhältnis4%

“Geldverschwendung”

Geschmack3%

“Ein Stern Abzug wegen Geschmack”

Geschmack insgesamt3%

“Schmeckt wirklich furchtbar”

Sauer3%

“weiß, dass der typisch säuerliche Geschmack der Apfelsäure (Malat) auf Dauer ziemlich gewöhnungsbedürftig sein kann.”

Common questions

Is citrullin kapseln profitable to sell on Amazon Germany?
The niche generates €72K/yr across 14 tracked products. 90-day search growth is -18.2%. Flapen's verdict: Skip it (46/100).
How competitive is the citrullin kapseln niche?
10 brands and 10 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in citrullin kapseln?
Top complaints mined from reviews: Funktionalität insgesamt, Dosierung, Gesamtgröße. The return rate is 0.1%.
What does it cost to enter the citrullin kapseln niche?
Listings span €10.07–€26.17; the average listing price is €19.34 (sweet spot $15–$100). The average incumbent carries 796 reviews — the moat a new listing must climb.