arginin citrullin
Worth a lookShows low returns (0.1%), but a concentrated shelf (top 5 take 78% of clicks) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible12.1%search→purchase rate — share of searches ending in a sale
Avg price
Great€21.57avg listing price — sweet spot $15–$100
Price range
Great€13.76–€29.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good€288K€288K/yr · 110K searches
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Review moat
Bad4,742.71avg incumbent reviews — the moat a new listing must climb
Growth
Bad-1.3%90-day search growth — must beat 0% to launch
Competition
Bad78%top-5 click share — a locked-up shelf
According to Flapen's Amazon Germany niche tracking, arginin citrullin is a €288K/yr Amazon Germany market (110K searches/yr). The top 5 brands hold 88% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
arginin citrullin market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- €173K–€216K
- units × avg price
- Conversion rate
- 12.1%
- Avg BSR
- #26
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 71%
- Out of stock
- 6.5%
- Avg brand age
- 63 months
- Avg seller age
- 174 days
Competition & brand share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 falling
Sellers
12
Top-5 brand share
88%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
9%
- ProFuel38%
- GEN GERMAN ELITE NUTRITION33%
- Nature Love8%
- Gym Nutrition5%
- HAVASU NUTRITION4%
- Horbäach3%
- Open — no brand owns it (4 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top arginin citrullin search terms
- arginin citrullin36K/yr
- l arginin citrullin28K/yr
- l arginin citrullin kapseln hochdosiert14K/yr
- citrullin arginin9K/yr
- arginin citrullin pulver8K/yr
- arginin citrullin kapseln5K/yr
- l-arginin citrullin5K/yr
- l citrullin l arginin4K/yr
Top arginin citrullin 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
L-Arginin + L-Citrullin-Malat Kapseln 360x - optimal hochdosiert mit 6000 mg pro Tag aus L-Arginin (2400 mg) + L-Citrullin-Malat (3600 mg) - laborgeprüft mit Zertifikat - vegan
ProFuel€15.234.6★867 rev
L Arginin + L Citrullin - 320 Kapseln - 1100 mg pro Kapsel - Extra hochdosierte Ultra Caps mit Arginin Base und Citrullin im Verhältnis 1 zu 1 - Hochwertige Aminosäuren Kombination
GEN GERMAN ELITE NUTRITION€26.024.5★1,840 rev
GEN GERMAN ELITE NUTRITION L-Arginin + L-Citrullin Ultra Tabs 300 Tabletten
GEN GERMAN ELITE NUTRITION€18.974.3★380 rev
NATURE LOVE L-Arginin Base mit Citrullin - 365 Kapseln - Hochwertiges pflanzliches Arginin in BASE Form mit 99 7+% Reinheit - Hochdosiert vegan in Deutschland produziert
Nature Love€25.474.5★2,272 rev
L-Arginin + Citrullin hochdosiert - 365 Kapseln - 6.785 mg Tagesdosis 60+ Tage Vorrat - Vegan & Produziert in Deutschland
Gym Nutrition€21.284.4★498 rev
Newest
by launch date
L Arginin Citrullin Kapseln Hochdosiert 4800mg | 360 Capsules | Aminosäure Komplex | Arginine Citrulline | Horbaach
Horbäach€16.6358 rev
L-Arginin Supplement für Männer | NO (Stickstoffmonoxid) Booster für Training & Ausdauer | L-Arginin L-Citrullin Komplex mit Sauerkirsche die Gesundheit von Männern| Ohne Gentechnik | 60 Kapseln
HAVASU NUTRITION€14.9746,769 rev
GEN GERMAN ELITE NUTRITION L-Arginin + L-Citrullin Ultra Tabs 300 Tabletten
GEN GERMAN ELITE NUTRITION€18.97380 rev
L-Arginin + Citrullin hochdosiert - 365 Kapseln - 6.785 mg Tagesdosis 60+ Tage Vorrat - Vegan & Produziert in Deutschland
Gym Nutrition€21.28498 rev
L-Arginin + L-Citrullin-Malat Kapseln 720x - optimal hochdosiert mit 6000 mg pro Tag aus L-Arginin (2400 mg) + L-Citrullin-Malat (3600 mg) - laborgeprüft mit Zertifikat - vegan
ProFuel€29.44867 rev
Trending
90-day click momentumL-Arginin Supplement für Männer | NO (Stickstoffmonoxid) Booster für Training & Ausdauer | L-Arginin L-Citrullin Komplex mit Sauerkirsche die Gesundheit von Männern| Ohne Gentechnik | 60 Kapseln
HAVASU NUTRITION€14.974.2★
L Arginin Citrullin Kapseln Hochdosiert 4800mg | 360 Capsules | Aminosäure Komplex | Arginine Citrulline | Horbaach
Horbäach€16.633.5★
L-Arginin 360 Kapseln vegan - mit 6000 mg hochwertigem L-Arginin aus Fermentation (davon 6000 mg reines L-Arginin) je Tagesdosis - L-Arginin in Base-Form - laborgeprüft mit Zertifikat - vegan
ProFuel€15.194.5★
L-Arginin + L-Citrullin-Malat Kapseln 360x - optimal hochdosiert mit 6000 mg pro Tag aus L-Arginin (2400 mg) + L-Citrullin-Malat (3600 mg) - laborgeprüft mit Zertifikat - vegan
ProFuel€15.234.6★
L-Arginin + L-Citrullin-Malat Kapseln 720x - optimal hochdosiert mit 6000 mg pro Tag aus L-Arginin (2400 mg) + L-Citrullin-Malat (3600 mg) - laborgeprüft mit Zertifikat - vegan
ProFuel€29.444.6★
What buyers say about arginin citrullin
What buyers praise and complain about, mined from review topics.What buyers love
“High quality and efficacy”
“Preis Super”
“Macht seinen job”
“Gut verträglich,fördert spürbar die Durchblutung”
“Performance-Verbesserung:”
“Die Dose ist recht groß, was bei 360 Kapseln auch notwendig ist”
“Muskelaufbau”
“Solides Citrullin”
“Reguliert auf natürliche Weise den Blutdruck”
“Gute Löslichkeit”
What buyers complain about
“Die Dosis: Okay, hier gibts nen kleines Problem”
“Tabletten sind groß”
“keine nennenswerte Wirkung”
“Schmeckt widerlich”
“Stinkt und Geschmack unerträglich”
“Geldverschwendung”
“nicht wirklich gut zu schlucken”
“Magenprobleme”
“Absolut irreführend”
“Enttäuschend – keine spürbare Wirkung”
Common questions
- Is arginin citrullin profitable to sell on Amazon Germany?
- The niche generates €288K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -1.3%. Flapen's verdict: Worth a look (53/100).
- How competitive is the arginin citrullin niche?
- 10 brands and 12 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 88% of demand.
- What do buyers complain about in arginin citrullin?
- Top complaints mined from reviews: Dosierung, Gesamtgröße, Funktionalität insgesamt. The return rate is 0.1%.
- When does demand for arginin citrullin peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the arginin citrullin niche?
- Listings span €13.76–€29.44; the average listing price is €21.57 (sweet spot $15–$100). The average incumbent carries 4,743 reviews — the moat a new listing must climb.