---
title: "Vitamin D3 K2 Magnesium — €196K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/drogerie-koerperpflege/vitamin-d3-k2-magnesium"
last_updated: "2026-08-06T16:46:02.719Z"
locale: en
meta:
description: "Niche score 43/100 · €196K/yr market · 138K searches/yr · €19.58 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · €196K/yr market · 138K searches/yr · €19.58 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin D3 K2 Magnesium — €196K/yr Amazon DE Niche (2026) - Flapen"
---
# **vitamin d3 k2 magnesium**
**Skip it**
Soft demand (-34.0% this quarter) — this niche doesn't clear our bar today.
Market size 39Growth 8Conversion 76Competition 21Returns 100Price range 76Avg price 86Brand share 32Review moat 41Quality gap 23
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****€19.58**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****7.2%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****€7.11–€40.92**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****2,404.17**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****€196K**
€196K/yr · 138K searches
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-34.0%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon Germany niche tracking, vitamin d3 k2 magnesium is a €196K/yr Amazon Germany market (138K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Feb–Nov. Verdict: Skip it — 43/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin d3 k2 magnesium market data**
- **Units sold / yr**
- **8K–10K**
- avg 500–750/product
- **Revenue / yr**
- **€157K–€196K**
- units × avg price
- **Conversion rate**
- **7.2%**
- **Avg BSR**
- **#88**
- **Page quality**
- **0%**
- **Prime**
- **67%**
- **Sponsored**
- **75%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **188 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**10%**
- CEFAK59% - Doppelherz9% - Smart Nutrition7% - MICROBIONIC6% - MoriVeda5% - SUNDAY NATURAL4% - Open — no brand owns it (4 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -34.0% search growth over the last 90 days.
4K3KSpike '24Black Friday '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, Nov · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/de/drogerie-koerperpflege/vitamin-d3-k2-magnesium/trend)
## **Top vitamin d3 k2 magnesium search terms**
- **cefavit d3 k2 mg 2000**28K/yr-13.8%11.9% conv. - **vitamin d3 k2 magnesium**38K/yr-49.8%3.3% conv. - **d3 k2 magnesium**23K/yr-38.5%3.9% conv. - **cefavit d3 k2 mg 4000**15K/yr-6.7%5.4% conv. - **cefavit**10K/yr-32.9%5.1% conv. - **cefavit d3 k2 magnesium**6K/yr-51.1%4.9% conv. - **vitamin d k2 magnesium**7K/yr-46.5%3.2% conv. - **magnesium d3 k2**4K/yr-28.1%4.7% conv. - **vitamin d mit k2 und magnesium**4K/yr-45.2%4.6% conv. - **cefavit d3 k2 mg**4K/yr-32.3%4.4% conv. [**All search terms **](https://flapen.com/research/de/drogerie-koerperpflege/vitamin-d3-k2-magnesium/search-terms)
## **Top vitamin d3 k2 magnesium 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%€20K20%€39K30%€59K40%€78K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Cefavit D3 K2 Mg 2.000 I.E. 100 Hartkapseln Glutenfrei**CEFAK**€29.19**4.6★599 rev](https://www.amazon.de/dp/B07L1JVJDY) [2**Cefavit D3 K2 Mg Hartkapseln für Knochen Muskeln und Blutgerinnung 60 St. Kapseln**CEFAK**€21.40**4.7★224 rev](https://www.amazon.de/dp/B07BV93T9J) [3**Doppelherz Magnesium 500 + D3 + K2 - Hochdosiertes Magnesium als Beitrag zur normalen Funktion der Muskeln und Nervensystems - 60 vegetarische Depot-Tabletten**Doppelherz**€7.11**4.6★822 rev](https://www.amazon.de/dp/B09LHX7W47) [4**Cefavit D3 K2 Mg 7 000 I.E. Kapseln für Knochen und Muskeln 100 St. Kapseln**CEFAK**€40.92**4.6★167 rev](https://www.amazon.de/dp/B07SJK1B2T) [5**Premium Vitamin D3 K2 + Magnesium Bisglycinat 120 Kapseln hochdosiert - 5000 IE + 200 mcg K2 MK7 + 200 mg Magnesium - hohe Bioverfügbarkeit- 2 Kapseln alle 5 Tage - vegan**Smart Nutrition**€25.43**4.5★98 rev](https://www.amazon.de/dp/B09SHSLXSG)
**~~View all top sellers →~~**
### **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**€13.71**1,032 rev8mo ago](https://www.amazon.de/dp/B0FMS3FM95) [**Vitamin D3 10.000 I.E. + K2 + Magnesium by MICROBIONIC | 90 Tabletten - alle 10 Tage 1 Tablette | D3 hochdosiert & laborgeprüft**MICROBIONIC**€18.99**52 rev1y ago](https://www.amazon.de/dp/B0DY1LMY19) [**Vitamin D3 K2 Hevert plus Calcium und Magnesium 1.000 I.E. mit 4-fach Osteo-Formel für gesunde Knochen und Muskeln 60 St. Kapseln**Hevert**€13.03**114 rev1y ago](https://www.amazon.de/dp/B0DWMWYLZZ) [**NATURTREU Vitamin D3 + K2 Depot 15 Monate Vorrat 5000 IE Vitamin D3 hochdosiert ohne Zusätze - Hochdosierte Kapseln - 99 7+% All-Trans K2-MK7 ergänzt durch Magnesium**NATURTREU**€17.38**161 rev1y ago](https://www.amazon.de/dp/B0FSF2CJF4) [**Premium Vitamin D3 K2 + Magnesium Bisglycinat 120 Kapseln hochdosiert - 5000 IE + 200 mcg K2 MK7 + 200 mg Magnesium - hohe Bioverfügbarkeit- 2 Kapseln alle 5 Tage - vegan**Smart Nutrition**€25.43**98 rev3y ago](https://www.amazon.de/dp/B09SHSLXSG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**€13.71**4.8★**▲ 154%**](https://www.amazon.de/dp/B0FMS3FM95) [**NATURTREU Vitamin D3 + K2 Depot 15 Monate Vorrat 5000 IE Vitamin D3 hochdosiert ohne Zusätze - Hochdosierte Kapseln - 99 7+% All-Trans K2-MK7 ergänzt durch Magnesium**NATURTREU**€17.38**4.6★**▲ 24%**](https://www.amazon.de/dp/B0FSF2CJF4) [**Cefavit D3 K2 Mg Hartkapseln für Knochen Muskeln und Blutgerinnung 60 St. Kapseln**CEFAK**€21.40**4.7★**▲ 18%**](https://www.amazon.de/dp/B07BV93T9J) [**Cefavit D3 K2 Mg 2.000 I.E. 100 Hartkapseln Glutenfrei**CEFAK**€29.19**4.6★**▲ 12%**](https://www.amazon.de/dp/B07L1JVJDY) [**Cefavit D3 K2 Mg 7 000 I.E. Kapseln für Knochen und Muskeln 100 St. Kapseln**CEFAK**€40.92**4.6★**— 10%**](https://www.amazon.de/dp/B07SJK1B2T)
**~~View all trending →~~**
## **What buyers say about vitamin d3 k2 magnesium**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Qualität insgesamt**23%
*“Super Produkt”*
**Vitamin**14%
*“Vitamine”*
**Preis-Leistungs-Verhältnis**11%
*“Super Preis/Leistung”*
**Dosierung**10%
*“Super Dosierung”*
**beworben Vs Tatsächliches Produkt**6%
*“Artikel wie beschrieben, alles bestens”*
**Benutzerfreundlichkeit**4%
*“Beste Handhabung schnell und einfach”*
**Einfaches Kauen/Schlucken**4%
*“sich super schlucken”*
**Gesamtgröße**3%
*“Passt”*
**Inhaltsstoffe – insgesamt**2%
*“Ich nehme die Tablette morgens zusammen mit meinem High-Polyphenol-Olivenöl – das funktioniert für mich super”*
**Ernährungs Gehalt**2%
*“Perfekt für den Daily Supplementstack”*
### **What buyers complain about **
**Dosierung**20%
*“Tabletten sind keine Kapseln”*
**Vitamin**11%
*“Vitamin D3k2”*
**Magnesium**5%
*“ist halt billiges magnesium”*
**Säureregulator/Linderung von Magenschmerzen**4%
*“Haben in der 1 Woche der Einnahme Magenschmerzen verursacht”*
**Inhaltsstoffe – insgesamt**4%
*“Diesen Konzeren vertraue ich persönlich nicht, was auch die nachlassende Wirkung der Supplements erklären KÖNNTE”*
**Messung / Ablesegenauigkeit**3%
*“Das beeinträchtigt die Genauigkeit der Pipette”*
**Funktionalität insgesamt**3%
*“Wirken tut da nix”*
**Preis-Leistungs-Verhältnis**3%
*“Könnten etwas preiswerter sein”*
**Auslaufsicher**3%
*“Schraubverschluss leider undicht”*
**Qualität insgesamt**3%
*“Aufgekaufte Firma, schlechte Qualität”*
### **Top return reasons **
**Ernährungs Gehalt**50%
**Vitamin**50%
## **Common questions**
- **Is vitamin d3 k2 magnesium profitable to sell on Amazon Germany?**
- The niche generates €196K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -34.0%. Flapen's verdict: Skip it (43/100).
- **How competitive is the vitamin d3 k2 magnesium niche?**
- 10 brands and 30 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in vitamin d3 k2 magnesium?**
- Top complaints mined from reviews: Dosierung, Vitamin, Magnesium. The return rate is 0.0%.
- **When does demand for vitamin d3 k2 magnesium peak?**
- Demand peaks in Feb–Nov; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the vitamin d3 k2 magnesium niche?**
- Listings span €7.11–€40.92; the average listing price is €19.58 (sweet spot $15–$100). The average incumbent carries 2,404 reviews — the moat a new listing must climb.
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