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55

vitamin d3 k2

Worth a look

Shows low returns (0.1%), but soft demand (-29.1% this quarter) keeps it on the watch list.

Market size 99Growth 10Conversion 92Competition 34Returns 100Price range 74Avg price 84Brand share 34Review moat 25Quality gap 18

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Market size

Incredible€6.4M

€6.4M/yr · 3.0M searches

Conversion

Great11.3%

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

Avg price

Great€18.67

avg listing price — sweet spot $15–$100

Price range

Good€8.98–€32.51

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

Competition

Okay65%

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

Brand share

Okay85%

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

Review moat

Bad4,811.89

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-29.1%

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

According to Flapen's Amazon Germany niche tracking, vitamin d3 k2 is a €6.4M/yr Amazon Germany market (3.0M searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Worth a look — 55/100.

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

vitamin d3 k2 market data

Units sold / yr
300K–400K
avg 12,500–15,000/product
Revenue / yr
€5.6M–€7.5M
units × avg price
Conversion rate
11.3%
Avg BSR
#7
Page quality
0%
Prime
100%
Sponsored
94%
Out of stock
1.7%
Avg brand age
53 months
Avg seller age
177 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 falling

Sellers

20

Top-5 brand share

85%

Top 20: 98%

Top-5 click share

65%

Top 20: 100%

Open market

9%

  • natural elements35%
  • SUNDAY NATURAL19%
  • ProFuel17%
  • ESN7%
  • Bloom Naturals Beauty Supplements7%
  • WeightWorld6%
  • Open — no brand owns it (4 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -29.1% search growth over the last 90 days.
100K60KPrime Day '24Spike '24Holiday '24Spike '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.2×

Top vitamin d3 k2 search terms

  • vitamin d3 k22.2M/yr
  • d3 k2331K/yr
  • vitamin d3 k2 hochdosiert159K/yr
  • d3 k2 kapseln hochdosiert89K/yr
  • d3k252K/yr
  • vitamin d3 k2 5000 ie27K/yr
  • vitamin d k251K/yr
  • vit d3 k225K/yr
  • d2 k320K/yr
  • vitamin d3 k2 kapseln18K/yr
All search terms

Top vitamin d3 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.

0%10%€641K20%€1.3M30%€1.9M40%€2.6M1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

What buyers say about vitamin d3 k2

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

What buyers love

Qualität insgesamt25%

“Bestes Produkt”

Vitamin14%

“Super Vitamine”

Dosierung11%

“Super Dosierung”

Preis-Leistungs-Verhältnis10%

“Super Preis/Leistung”

beworben Vs Tatsächliches Produkt5%

“Tut seinen Job”

Gesamtgröße4%

“Fit”

Benutzerfreundlichkeit4%

“Beste Handhabung schnell und einfach”

Einfaches Kauen/Schlucken3%

“sich super schlucken”

Geschmack insgesamt2%

“Schmecken neutral”

Inhaltsstoffe – insgesamt2%

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

What buyers complain about

Dosierung18%

“niedrig dosiert”

Vitamin9%

“Vitamin D3k2”

Gesamtgröße6%

“Die Tabletten selbst sind super klein”

Preis-Leistungs-Verhältnis5%

“Nur doppelt so teuer”

beworben Vs Tatsächliches Produkt4%

“Irreführende Fotos: Zutaten sind falsch angegeben”

Funktionalität insgesamt4%

“Wirken tut da nix”

Geruch3%

“geruchsintensiv (ranzig)”

Geschmack insgesamt2%

“Die Tropfen,sind geschmacksneutral”

Qualität insgesamt2%

“Qualitätsmangel Ranzigkeit”

Auslaufsicher2%

“Schraubverschluss leider undicht”

Top return reasons

Sicherheitsstandards100%

Common questions

Is vitamin d3 k2 profitable to sell on Amazon Germany?
The niche generates €6.4M/yr across 18 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -29.1%. Flapen's verdict: Worth a look (55/100).
How competitive is the vitamin d3 k2 niche?
10 brands and 20 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in vitamin d3 k2?
Top complaints mined from reviews: Dosierung, Vitamin, Gesamtgröße. The return rate is 0.1%.
When does demand for vitamin d3 k2 peak?
Demand peaks in Jan–Nov–Dec; the busiest month runs 2.2× the quietest.
What does it cost to enter the vitamin d3 k2 niche?
Listings span €8.98–€32.51; the average listing price is €18.67 (sweet spot $15–$100). The average incumbent carries 4,812 reviews — the moat a new listing must climb.