Is vitamin k2 profitable to sell on Amazon Germany?

The niche generates €703K/yr across 20 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -24.5%. Flapen's verdict: Worth a look (55/100).

How competitive is the vitamin k2 niche?

15 brands and 31 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 67% of demand.

What do buyers complain about in vitamin k2?

Top complaints mined from reviews: Dosierung, Vitamin, Geschmack insgesamt. The return rate is 0.1%.

When does demand for vitamin k2 peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the vitamin k2 niche?

Listings span €9.77–€38.64; the average listing price is €17.34 (sweet spot $15–$100). The average incumbent carries 2,936 reviews — the moat a new listing must climb.

vitamin k2

Worth a look

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

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great9.7%

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

Avg price

Great€17.34

avg listing price — sweet spot $15–$100

Price range

Great€9.77–€38.64

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

Market size

Good€703K

€703K/yr · 417K searches

Brand share

Good67%

top-5 brand share — brands hold most of the demand

Competition

Okay60%

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

Review moat

Okay2,935.9

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-24.5%

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

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.

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

vitamin k2 market data

Units sold / yr: 40K–50K; avg 1,500–2,000/product
Revenue / yr: €694K–€867K; units × avg price
Conversion rate: 9.7%
Avg BSR: #15
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 4.0%
Avg brand age: 62 months
Avg seller age: 186 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 flat

Sellers

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%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -24.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top vitamin k2 search terms

vitamin k2137K/yr -32.0%11.7% conv.
k2 vitamin84K/yr -38.3%10.6% conv.
vitamin k39K/yr -27.6%7.8% conv.
vitamin k2 mk723K/yr -18.6%11.0% conv.
vitamin k2 tabletten10K/yr -12.6%9.7% conv.
k2 mk77K/yr -21.1%10.5% conv.
vitamin k2 hochdosiert9K/yr -20.9%7.8% conv.
vit k25K/yr -20.5%10.5% conv.
vitamin k2 100 g3K/yr -32.3%2.5% conv.
mk73K/yr -16.3%5.2% conv.

All search terms

Top vitamin k2 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 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Vitamin K2 MK7 - Als Menachinon - 365 vegane Tabletten - 200g je Tagedosis - Vitamin K trägt zur Erhaltung normaler Knochen bei (EFSA) - 1 Jahr Vorrat - K2 Vitamin von WeightWorld

WeightWorld€15.764.7★3,415 rev

Vitamin K2 Tropfen hochdosiert 1800x (50ml) - 200 g Vitamin K2 MK7 Pharmaquinone Premium Vit. K2 hochdosiert mit 99 7+% all-trans-Gehalt - laborgeprüft mit Zertifikat - 100% vegan

ProFuel€10.294.8★1,056 rev

natural elements Vitamin K2 MK-7 200g 50 ml all-Trans Gehalt >99 7% laborgeprüft vegan hochdosiert & in Deutschland produziert

natural elements€21.644.7★5,968 rev

NATURE LOVE Vitamin K2 hochdosiert - Premiumrohstoff MK7-365 Tabletten - all-trans Gehalt >99 7% MK-7 Menaquinon - vegan laborgeprüft und in Deutschland produziert

Nature Love€24.284.7★4,908 rev

BANDINI€14.894.7★2,035 rev

Newest

by launch date

SUNDAY NATURAL Vitamin D3 K2 Tropfen Premium Vitamin D 3 1.000 IE (25g) + K2-MK7 99 8% all-trans 20g Kölner Liste - Hohe Bioverfügbarkeit ohne unnötige Zusätze laborgeprüft

SUNDAY NATURAL€13.711,032 rev

8mo ago

Vitamin K2 Tropfen 1800x (50ml) - optimal hochdosiert mit 200 g Vitamin K2 MK7 - Premium-Rohstoff Pharmaquinone mit 99 7+% all-trans-Gehalt - laborgeprüft mit Zertifikat - 100% vegan

NatureWell€9.9479 rev

11mo ago

Vitamin K Komplex - 180 Tabletten (6 Monate) - Hochdosiert mit 1.000 g Vitamin K1 + K2 Menaquinon (1.000 g MK4 + 200 g MK7 All-Trans) - Hohe Bioverfügbarkeit - Ohne unnötige Zusätze vegan

Vit4ever€18.68128 rev

11mo ago

Horbäach€9.7797 rev

1y ago

vit4ever Vitamin K2 MK7-365 Tabletten - 200 g pro Tablette - All-trans Gehalt >99 7% MK-7 Menaquinon - Hochdosiert - Ohne unerwünschte Zusätze- Vegan

Vit4ever€17.40307 rev

1y ago

What buyers say about vitamin k2

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

What buyers love

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”

Benutzerfreundlichkeit5%

“Beste Handhabung schnell und einfach”

Einfaches Kauen/Schlucken4%

“sich super schlucken”

Gesamtgröße4%

“Passt”

Vegan/Biologisch2%

“vegan”

Inhaltsstoffe – insgesamt2%

“Ich nehme die Tablette morgens zusammen mit meinem High-Polyphenol-Olivenöl – das funktioniert für mich super”

What buyers complain about

Dosierung21%

“unnötig hoch dosiert”

Vitamin9%

“Vitamin D3k2”

Geschmack insgesamt4%

“Tropfen schmeckten Ranzig”

Preis-Leistungs-Verhältnis4%

“knackiger Preis”

Funktionalität insgesamt4%

“Wirken tut da nix”

Qualität insgesamt4%

“Nicht optimal”

Auslaufsicher3%

“Schraubverschluss leider undicht”

Messung / Ablesegenauigkeit2%

“Das beeinträchtigt die Genauigkeit der Pipette”

Säureregulator/Linderung von Magenschmerzen2%

“Haben in der 1 Woche der Einnahme Magenschmerzen verursacht”