citrullin
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great11.4%search→purchase rate — share of searches ending in a sale
Avg price
Great€17.85avg listing price — sweet spot $15–$100
Market size
Good€752K€752K/yr · 369K searches
Review moat
Good652.05avg incumbent reviews — the moat a new listing must climb
Price range
Good€10.07–€26.17cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Growth
Bad-2.9%90-day search growth — must beat 0% to launch
According to Flapen's Amazon Germany niche tracking, citrullin is a €752K/yr Amazon Germany market (369K searches/yr). The top 5 brands hold 78% of demand. Verdict: Worth a look — 60/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
citrullin market data
- Units sold / yr
- 40K–50K
- avg 2,000–2,500/product
- Revenue / yr
- €714K–€893K
- units × avg price
- Conversion rate
- 11.4%
- Avg BSR
- #14
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 89%
- Out of stock
- 0.8%
- Avg brand age
- 58 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
12 rising
Sellers
13
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
62%
Top 20: 100%
Open market
16%
- ProFuel38%
- WeightWorld13%
- natural elements11%
- GEN GERMAN ELITE NUTRITION8%
- Syglabs Nutrition8%
- ESN5%
- Open — no brand owns it (6 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top citrullin search terms
- citrullin107K/yr
- l citrullin69K/yr
- citrullin malat57K/yr
- l-citrullin35K/yr
- l citrullin pulver17K/yr
- citrulline malate10K/yr
- l-citrulline10K/yr
- citrullin pulver11K/yr
- l-citrullin pulver6K/yr
- l citrullin malat14K/yr
Top 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
L-Citrullin-Malat - 500g Pulver mit 3000 mg L-Citrullin-Malat 2:1 pro Portion - Vorratspack für 166 Anwendungen - ohne Zusatzstoffe - laborgeprüft mit Zertifikat
ProFuel€13.764.6★1,133 rev
L-Citrullin 3000mg pro Portion - 240 vegane Citrulline Kapseln - 4 Kapseln täglich - Frei von Magnesiumstearat & Gentechnik - WeightWorld
WeightWorld€20.524.5★1,294 rev
natural elements L-Citrullin Malat Pulver 2:1 500g Pulver ideal vor dem Sport vegan hohe Reinheit hochdosiert ohne Zusätze in Deutschland entwickelt & laborgeprüft
natural elements€22.924.5★587 rev
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-Citrullin Malat 2:1 500g optimale Löslichkeit - vegan und ohne Zusätze - Aminosäure Citrullin
Syglabs Nutrition€15.314.7★405 rev
Newest
by launch date
L-Citrullin Malat 2:1 1000g optimale Löslichkeit - vegan und ohne Zusätze - Aminosäure Citrullin
Syglabs Nutrition€25.1528 rev
L-Citrullin-Malat Kapseln 360x - mit 3000 mg L-Citrullin-Malat pro Tagesportion (4 Kapseln) - Citrullin-Malat im Verhältnis von 2:1 - laborgeprüft mit Zertifikat - 100% vegan - Vorrat für 90 Tage
ProFuel€18.3937 rev
Bandini Hochreines L-Citrullin-Malat | Hochdosiert mit 3 g Citrullin pro Portion | Pre-Workout | Pflanzlich fermentiertes Citrullin | 100% vegane Aminosäure
BANDINI€10.07100 rev
ESN Ultrapure L-Citrullin 500g Beutel 100 Portionen vegan
ESN€25.52102 rev
L-Citrullin 3000mg pro Portion - 240 vegane Citrulline Kapseln - 4 Kapseln täglich - Frei von Magnesiumstearat & Gentechnik - WeightWorld
WeightWorld€20.521,294 rev
Trending
90-day click momentumL-Citrullin-Malat Kapseln 360x - mit 3000 mg L-Citrullin-Malat pro Tagesportion (4 Kapseln) - Citrullin-Malat im Verhältnis von 2:1 - laborgeprüft mit Zertifikat - 100% vegan - Vorrat für 90 Tage
ProFuel€18.394.6★
L-Citrullin Malat 2:1 1000g optimale Löslichkeit - vegan und ohne Zusätze - Aminosäure Citrullin
Syglabs Nutrition€25.154.5★
Bodylab24 L-Citrulline Malate 500g 5g L-Citrullin Malat je Tagesdosis Citrullin-Malat-Formel im Verhältnis 2:1 perfekt für hochintensive Workouts geschmacksneutrales Pulver
Bodylab24€23.074.4★
ESN Ultrapure L-Citrullin 500g Beutel 100 Portionen vegan
ESN€25.524.5★
Bonemis L-Citrullin (Aminosäure) vegan hochrein (ohne Malat) 500 g im Beutel Premiumqualität ohne Zusatzstoffe
Bonemis€16.454.1★
What buyers say about citrullin
What buyers praise and complain about, mined from review topics.What buyers love
“High quality and efficacy”
“Preis/Leistung super”
“Wie auf dem Produktbild zu sehen ist”
“funktioniert”
“Löslichkeit”
“Blutdruck stabilisiert”
“Die Dosierung von 3000 mg pro Tagesportion ist optimal”
“Muskelaufbau”
“„Sehr gute Vitamine, klare Empfehlung“”
“Sensationell gegen Bluthochdruck”
What buyers complain about
“Uberhaupt nicht funktioniert”
“Kein Dosierlöffel”
“Extrem Sauer Untrinkbar”
“Schmeckt abgelaufen”
“Nebenwirkung”
“Schlechte Produktbeschreibung”
“Sehr sauer und verursacht Magenprobleme”
“Kapseln sind etwas gross”
“Geldverschwendung”
“Der Geschmack ist leicht säuerlich, was bei Citrullin normal ist”
Common questions
- Is citrullin profitable to sell on Amazon Germany?
- The niche generates €752K/yr across 19 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -2.9%. Flapen's verdict: Worth a look (60/100).
- How competitive is the citrullin niche?
- 12 brands and 13 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in citrullin?
- Top complaints mined from reviews: Funktionalität insgesamt, Dosierung, Sauer. The return rate is 0.0%.
- When does demand for citrullin peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the citrullin niche?
- Listings span €10.07–€26.17; the average listing price is €17.85 (sweet spot $15–$100). The average incumbent carries 652 reviews — the moat a new listing must climb.