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Vitamin K2

Vitamin K2 shows low returns (0.1%), but soft demand (-24.5% this quarter) keeps it on the watch list.

Flapen Score

55
Worth a look

Top 22% of 2,966 Drogerie & Körperpflege niches · +6 vs the category median of 49

Market size 69Growth 13Conversion 86Competition 41Returns 100Price range 81Avg price 81Brand share 64Review moat 36Quality gap 19
This niche Category average · 2,966 niches

Is Vitamin K2 profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Vitamin K2 is a €703K/yr Amazon Germany market (417K searches/yr). The top 5 brands hold 67% of demand. Verdict: Worth a look — 55/100.

Vitamin K2: 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 -24.5% over the last 90 days and 9.7% of searches end in a purchase.

€703K

revenue / yr

Units sold / yr50K
Search volume / yr-24.5%417K
Conversion rate9.7%
Avg price€17.34

Who owns the niche?

The top 5 brands hold 67% of demand, so 33% of the market is open.

33%

open market share

Brands · sellers15 · 31
Top-5 product click share60%
Open market33%
Avg brand age62 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.

0/100

page quality · 20 products

Sponsored placement100%
New entrants (1y)3· 2 succeeded
Avg rating4.7★
Avg reviews2,936

Top Vitamin K2 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 60% of clicks — established leaders, but buyers still shop beyond them.

€0€35K€70K€105K€141K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 flat

Sellers

31

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

28%

  • WeightWorld20%
  • ProFuel17%
  • Nature Love11%
  • natural elements10%
  • BANDINI8%
  • Horbäach5%

Vitamin K2 demand & seasonality

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

Volume417KCVR9.7%Products20Brands15Top 5 Brands67%OOS Rate4.0%Rating4.7★Reviews2,936Avg BSR#15
10K6KPrime Day '24Spike '24Holiday '24Prime Day '25Spike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top Vitamin K2 search terms shoppers use

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

  • vitamin k2137K/yr
  • k2 vitamin84K/yr
  • vitamin k39K/yr
  • vitamin k2 mk723K/yr
  • vitamin k2 tabletten10K/yr
  • k2 mk77K/yr
  • vitamin k2 hochdosiert9K/yr
  • vit k25K/yr
  • vitamin k2 100 g3K/yr
  • mk73K/yr

What reviews say buyers love and hate about Vitamin K2

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

What buyers love

79% of reviews
Qualität insgesamt21%

Super Produkt

Vitamin16%

Bestes Vitamin k2

Preis-Leistungs-Verhältnis10%

Super Preis/Leistung

Dosierung10%

Super Dosierung

beworben Vs Tatsächliches Produkt5%

Artikel wie beschrieben, alles bestens

What buyers complain about

56% of reviews
Dosierung21%

unnötig hoch dosiert

Vitamin9%

Vitamin D3k2

Geschmack insgesamt4%

Tropfen schmeckten Ranzig

Preis-Leistungs-Verhältnis4%

knackiger Preis

Funktionalität insgesamt4%

Wirken tut da nix

Common Vitamin K2 questions

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

Flapen scores Vitamin K2 55/100 on Amazon Germany — Worth a look. The niche generates €703K/yr across 20 tracked products. 2 of 3 products launched in the last 360 days are still selling. Search demand moved -24.5% over the last 90 days.
Search demand for Vitamin K2 on Amazon Germany is steady year-round — the busiest month runs 1.5× the quietest.