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Marine Collagen

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

Flapen Score

58
Worth a look

Top 12% of 2,966 Drogerie & Körperpflege niches · +9 vs the category median of 49

Market size 34Growth 17Conversion 56Competition 71Returns 100Price range 84Avg price 95Brand share 79Review moat 38Quality gap 50
This niche Category average · 2,966 niches

Is Marine Collagen profitable on Amazon?

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.

Marine Collagen: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -16.7% over the last 90 days and 4.7% of searches end in a purchase.

€161K

revenue / yr

Units sold / yr8K
Search volume / yr-16.7%141K
Conversion rate4.7%
Avg price€24.35

Who owns the niche?

The top 5 brands hold 56% of demand, so 44% of the market is open.

44%

open market share

Brands · sellers28 · 47
Top-5 product click share42%
Open market44%
Avg brand age38 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 35 products

Sponsored placement97%
New entrants (1y)13· 6 succeeded
Avg rating4.5★
Avg reviews2,699

Top Marine Collagen products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

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

€0€5K€10K€14K€19K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

28 rising

Sellers

47

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%

Marine Collagen demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume141KCVR4.7%Products35Brands28Top 5 Brands56%OOS Rate7.5%Rating4.5★Reviews2,699Avg BSR#161
4K3KPrime Day '24Holiday '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top Marine Collagen search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • marine collagen57K/yr
  • fisch kollagen9K/yr
  • marine kollagen10K/yr
  • marine collagen pulver9K/yr
  • collagen marine8K/yr
  • meereskollagen9K/yr
  • kollagen marine5K/yr
  • marine kollagen pulver7K/yr
  • marine collagen powder4K/yr
  • fischkollagen5K/yr

What reviews say buyers love and hate about Marine Collagen

What buyers mention most, as a share of all reviews.

What buyers love

71% of reviews
Qualität insgesamt20%

SUPER PRODUKT

Löslichkeit15%

Rückstandslose Pulverauflösung

Gelenkschmerzen6%

Top Support für Gelenke

Preis-Leistungs-Verhältnis5%

Beste Preis/Leistung

Geschmack insgesamt5%

Schmeckt

What buyers complain about

55% of reviews
Geschmack insgesamt17%

Geschmack grauenhaft

Geschmack12%

Neutral Geschmack

Preis-Leistungs-Verhältnis7%

recht teuer

Löslichkeit6%

Diesmal nicht so gut löslich

Geruch5%

Stinkt

Marine Collagen return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Qualität insgesamt
40%
2Geschmack insgesamt
20%
3Preis-Leistungs-Verhältnis
20%
4Geschmack
10%
5Geruch
10%

Common Marine Collagen questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Marine Collagen 58/100 on Amazon Germany — Worth a look. The niche generates €161K/yr across 35 tracked products. 6 of 13 products launched in the last 360 days are still selling. Search demand moved -16.7% over the last 90 days.
Search demand for Marine Collagen on Amazon Germany is steady year-round — the busiest month runs 1.3× the quietest.