uc-ii
Skip itA small market ($38K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Incredible€23.55avg listing price — sweet spot $15–$100
Price range
Great€13.68–€34.90cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.3%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,827.44avg incumbent reviews — the moat a new listing must climb
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Growth
Okay+0.2%90-day search growth — must beat 0% to launch
Competition
Bad84%top-5 click share — a locked-up shelf
Market size
Bad€38K€38K/yr · 22K searches
According to Flapen's Amazon Germany niche tracking, uc-ii is a €38K/yr Amazon Germany market (22K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 44/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
uc-ii market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- €35K–€47K
- units × avg price
- Conversion rate
- 7.3%
- Avg BSR
- #75
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 78%
- Out of stock
- 10.7%
- Avg brand age
- 39 months
- Avg seller age
- 184 days
Competition & brand share
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
13
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
84%
Top 20: 100%
Open market
10%
- WORLD'S FOOD NUTRITION28%
- natural elements19%
- PharmaVital16%
- ESN14%
- Kräuterhaus Sanct Bernhard7%
- GymBeam6%
- Open — no brand owns it (3 brands, 10%)
Demand
Weekly Amazon search volume, last 14 weeks — +0.2% search growth over the last 90 days.Top uc-ii search terms
- uc-ii type 2 collagen7K/yr
- uc-ii11K/yr
- uc 2 kollagen4K/yr
Top uc-ii 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
WFN Approved UC-II - Undenaturiertes Kollagen Typ 2 hochdosiert - 60 Kapseln - Gelenke Komplex mit UC II Collagen Vitamin C & Boswellia Serrata - Produziert in Deutschland - Extern laborgeprüft
WORLD'S FOOD NUTRITION€24.254.6★787 rev
natural elements Kollagen Typ 2 Komplex UC-II natürliches Collagen & OptiMSM in Deutschland entwickelt & laborgeprüft
natural elements€27.284.5★561 rev
Pharmavital UC-II Natives Kollagen 60 Kapseln Collagen Kapseln hochdosiert aus Deutschland Kollagen-Vitamin-C-Kombipräparat
PharmaVital€25.124.6★198 rev
ESN Kollagen Typ II 60 Tabletten für 2 Monate Vorrat mit UC-II Kollagen und Vitamin C - made in Germany
ESN€28.864.2★278 rev
Sanct Bernhard UC-II-Kapseln mit Vitamin C und natürlichem Kollagen II Inhalt 60 Kapseln
Kräuterhaus Sanct Bernhard€20.444.7★29 rev
Newest
by launch date
vit4ever Kollagen Typ 2 Komplex - 60 Kapseln - Collavant n2
Vit4ever€18.80267 rev
Multi Kollagen Kapseln Hochdosiert 1650mg mit Vitamin C. Hydrolysierte Collagen Peptide Typ I II III V X 180 Kapseln. N2 Natural Nutrition
N2 Natural Nutrition€18.642,788 rev
GymBeam Kollagen Typ II Gelenkkomplex mit Hyaluronsäure Vitamin C & Mangan Kollagen Kapseln für Knorpel und Gelenke hochdosiert laborgeprüft vegan-freundliche Kapselhülle 60 Kapseln
GymBeam€13.68106 rev
natural elements Kollagen Typ 2 Komplex UC-II natürliches Collagen & OptiMSM in Deutschland entwickelt & laborgeprüft
natural elements€27.28561 rev
WFN Approved UC-II - Undenaturiertes Kollagen Typ 2 hochdosiert - 60 Kapseln - Gelenke Komplex mit UC II Collagen Vitamin C & Boswellia Serrata - Produziert in Deutschland - Extern laborgeprüft
WORLD'S FOOD NUTRITION€24.25787 rev
Trending
90-day click momentum
Collagen Pulver 1 kg Kollagenhydrolysat Peptide Typ I II & III Geschmacksneutrales Eiweißpulver Made in Germany Wehle Sports (1000g (1er Pack)) - Verpackung kann variieren.
Wehle Sports€34.904.7★
vit4ever Kollagen Typ 2 Komplex - 60 Kapseln - Collavant n2
Vit4ever€18.804.4★
Multi Kollagen Kapseln Hochdosiert 1650mg mit Vitamin C. Hydrolysierte Collagen Peptide Typ I II III V X 180 Kapseln. N2 Natural Nutrition
N2 Natural Nutrition€18.644.5★
natural elements Kollagen Typ 2 Komplex UC-II natürliches Collagen & OptiMSM in Deutschland entwickelt & laborgeprüft
natural elements€27.284.5★
WFN Approved UC-II - Undenaturiertes Kollagen Typ 2 hochdosiert - 60 Kapseln - Gelenke Komplex mit UC II Collagen Vitamin C & Boswellia Serrata - Produziert in Deutschland - Extern laborgeprüft
WORLD'S FOOD NUTRITION€24.254.6★
What buyers say about uc-ii
What buyers praise and complain about, mined from review topics.What buyers love
“Beste Produkte”
“gute Lösbarkeit”
“Beste Preis/Leistung”
“Gut gegen Arthritis”
“Bestes Collagenpulver”
“Schmeckt”
“Geschmack neutral”
“Produkt wie beschrieben :-”
“Gut einzunehmen”
“Gutes Produkt zu einem fairen Preis- sehr guter Proteingehalt”
What buyers complain about
“Geschmacklos”
“Neutral Geschmack”
“Enormer Preisanstieg”
“INSGESAMT sind es 55 mg”
“Wenig Geruch”
“Wirkt nicht sofort”
“Diesmal nicht so gut löslich”
“Warum steht nirgends in der Produktbeschreibung das es Halal ist”
“Das Produkt enthält Titandioxid ( in EU nicht erlaubt)”
“Vitamin C nicht vergessen”
Top return reasons
Common questions
- Is uc-ii profitable to sell on Amazon Germany?
- The niche generates €38K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +0.2%. Flapen's verdict: Skip it (44/100).
- How competitive is the uc-ii niche?
- 9 brands and 13 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in uc-ii?
- Top complaints mined from reviews: Geschmack insgesamt, Geschmack, Preis-Leistungs-Verhältnis. The return rate is 0.1%.
- What does it cost to enter the uc-ii niche?
- Listings span €13.68–€34.90; the average listing price is €23.55 (sweet spot $15–$100). The average incumbent carries 2,827 reviews — the moat a new listing must climb.