Is marine collagen profitable to sell on Amazon Germany?

The niche generates €161K/yr across 35 tracked products. 6 of 13 products launched in the last 360 days are still selling. 90-day search growth is -16.7%. Flapen's verdict: Worth a look (58/100).

How competitive is the marine collagen niche?

28 brands and 47 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 56% of demand.

What do buyers complain about in marine collagen?

Top complaints mined from reviews: Geschmack insgesamt, Geschmack, Preis-Leistungs-Verhältnis. The return rate is 0.1%.

When does demand for marine collagen peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the marine collagen niche?

Listings span €10.13–€44.34; the average listing price is €24.35 (sweet spot $15–$100). The average incumbent carries 2,699 reviews — the moat a new listing must climb.

marine collagen

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Incredible€24.35

avg listing price — sweet spot $15–$100

Price range

Great€10.13–€44.34

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

Brand share

Great56%

top-5 brand share — no brand owns this niche

Competition

Good42%

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

Conversion

Good4.7%

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

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,699.11

avg incumbent reviews — the moat a new listing must climb

Market size

Okay€161K

€161K/yr · 141K searches

Growth

Bad-16.7%

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

Signals No Dominant Brand

According to Flapen's Amazon Germany niche tracking, marine collagen is a €161K/yr Amazon Germany market (141K searches/yr). The top 5 brands hold 56% of demand. Verdict: Worth a look — 58/100.

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

marine collagen market data

Units sold / yr: 6K–8K; avg 100–250/product
Revenue / yr: €146K–€195K; units × avg price
Conversion rate: 4.7%
Avg BSR: #161
Page quality: 0%
Prime: 97%
Sponsored: 97%
Out of stock: 7.5%
Avg brand age: 38 months
Avg seller age: 175 days

Competition & brand share

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

Brands

28 rising

Sellers

Top-5 brand share

56%

Top 20: 94%

Top-5 click share

42%

Top 20: 86%

Open market

40%

WeightWorld17%
Wehle Sports13%
Glow259%
RAIBU9%
Vital Proteins8%
SEAGARDEN5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -16.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top marine collagen search terms

marine collagen57K/yr -3.4%3.7% conv.
fisch kollagen9K/yr -13.1%2.5% conv.
marine kollagen10K/yr -29.0%4.0% conv.
marine collagen pulver9K/yr -15.0%4.3% conv.
collagen marine8K/yr -17.6%4.3% conv.
meereskollagen9K/yr -34.0%3.9% conv.
kollagen marine5K/yr -11.6%3.6% conv.
marine kollagen pulver7K/yr -25.1%3.9% conv.
marine collagen powder4K/yr -10.9%3.3% conv.
fischkollagen5K/yr -22.0%3.5% conv.

All search terms

Top marine collagen 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Top sellers

by 90-day click share

Marine Kollagen Pulver 500g - Collagen Hydrolysat Peptide - Markenrohstoff CollaPure - Wehle Sports Fisch Kollagen - Neutral - Verpackung kann variieren

Wehle Sports€35.264.5★1,171 rev

Kollagen Kapseln - 1200 mg reines Marine Collagen Typ I und III - Hydrolysierte Fisch Kollagen Peptide - 120 Kapseln für 2 Monate Vorrat - Meereskollagen - Frei von Zusatzstoffen - WeightWorld

WeightWorld€15.344.4★15,130 rev

Marine Kollagen Pulver - 10.000mg pro Portion - Collagen Hydrolysat Pulver (Peptid Typ I) hochdosiert Perfekte Löslichkeit & ohne Zusatzstoffe - aus Thunfisch 350 g

RAIBU€18.423.9★158 rev

Vital Proteins Marine Collagen 221g Fisch-Kollagen-Peptide geschmacksneutrales Kollagenpulver hydrolysiertes Meereskollagen Typ 1 & 3

Vital Proteins€32.064.5★335 rev

Marine Kollagen Pulver 500 g - Bioaktive Collagen Peptide - Premium Fischkollagen Hydrolysat - Perfekte Löslichkeit - Geschmacksneutral & Hochdosiert - Marine Collagen Peptide

Vit4ever€27.694.3★230 rev

Newest

by launch date

Wellbe Kollagen Pulver Kirsche - hochdosiert mit maximal bioaktivem Kollagen Hydrolysat Biotin Zink Vitamin C & Hyaluron - Collagen Pulver - Kollagenpulver Peptide Made in Germany 1x250g

wellbe the health company€44.3413 rev

3mo ago

Marine Kollagen Pulver - 10.000mg pro Portion - Collagen Hydrolysat Pulver (Peptid Typ I) hochdosiert Perfekte Löslichkeit & ohne Zusatzstoffe - aus Thunfisch 350 g

RAIBU€18.42158 rev

3mo ago

GOLDEN SHINE Marine Collagen Pulver 600g reines Fischkollagen Hydrolysat Peptide Typ 1 inkl: Messlöffel exzellente Löslichkeit geschmacksneutraleres Meereskollagen 60 Tage Vorrat geprüfte Qualität

Biotary€28.4532 rev

6mo ago

Inspiriko Marines Kollagen Pulver Naticol Kollagen Peptide (Typ I II & III) mit Vitamin C Hyaluronsäure Biotin & MSM Geschmacksneutrales Fischkollagen für Haut Haare & Nägel.

Inspiriko€28.46545 rev

7mo ago

Marine Collagen Pulver - 500g - Hochdosiert & Geschmacksneutral Fischkollagen Meereskollagen Fisch Kollagen - Laborgeprüft & produziert in Deutschland - Verpackung kann variieren

Bloom Naturals Beauty Supplements€29.5650 rev

8mo ago

What buyers say about marine collagen

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

What buyers love

Qualität insgesamt20%

“SUPER PRODUKT”

Löslichkeit15%

“Rückstandslose Pulverauflösung”

Gelenkschmerzen6%

“Top Support für Gelenke”

Preis-Leistungs-Verhältnis5%

“Beste Preis/Leistung”

Geschmack insgesamt5%

“Schmeckt”

Kalzium5%

“Bestes Kollagenpulver”

Geschmack5%

“Super geschmack neutral”

Hautgesundheit4%

“Ich habe sehr gute Erfahrungen mit Glow25, mehr Energie, Muskeln und mein Haut ist auch besser geworden”

beworben Vs Tatsächliches Produkt3%

“Gemäss Bestellung”

Inhaltsstoffe – insgesamt2%

“Solides Kollagenprodukt”

What buyers complain about

Geschmack insgesamt17%

“Geschmack grauenhaft”

Geschmack12%

“Neutral Geschmack”

Preis-Leistungs-Verhältnis7%

“recht teuer”

Löslichkeit6%

“Diesmal nicht so gut löslich”

Geruch5%

“Stinkt”

Funktionalität insgesamt3%

“Wirkt nicht wirklich”

Dosierung2%

“Doppelte Menge”

Allergien1%

“Hautirritationen”

Qualität insgesamt1%

“Ich bin nicht sicher wie gut diese Produkte sind”

beworben Vs Tatsächliches Produkt1%

“Vielleicht sollte man bei so umtriebig beworbenen Produkten generell misstrauisch sein”

Top return reasons

Qualität insgesamt40%

Geschmack insgesamt20%

Preis-Leistungs-Verhältnis20%

Geschmack10%

Geruch10%

Common questions

Is marine collagen profitable to sell on Amazon Germany?: The niche generates €161K/yr across 35 tracked products. 6 of 13 products launched in the last 360 days are still selling. 90-day search growth is -16.7%. Flapen's verdict: Worth a look (58/100).
How competitive is the marine collagen niche?: 28 brands and 47 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 56% of demand.
What do buyers complain about in marine collagen?: Top complaints mined from reviews: Geschmack insgesamt, Geschmack, Preis-Leistungs-Verhältnis. The return rate is 0.1%.
When does demand for marine collagen peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the marine collagen niche?: Listings span €10.13–€44.34; the average listing price is €24.35 (sweet spot $15–$100). The average incumbent carries 2,699 reviews — the moat a new listing must climb.