vitamin d
Worth a lookShows low returns (0.1%), but soft demand (-38.2% this quarter) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Market size
Incredible€2.3M€2.3M/yr · 1.9M searches
Conversion
Great10.3%search→purchase rate — share of searches ending in a sale
Competition
Okay55%top-5 click share — leaders hold, buyers still browse
Avg price
Okay€11.78avg listing price — sweet spot $15–$100
Price range
Okay€2.98–€22.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Review moat
Bad5,925.5avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-38.2%90-day search growth — must beat 0% to launch
According to Flapen's Amazon Germany niche tracking, vitamin d is a €2.3M/yr Amazon Germany market (1.9M searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jan–Feb–Oct–Nov–Dec. Verdict: Worth a look — 52/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
vitamin d market data
- Units sold / yr
- 150K–200K
- avg 6,000–8,000/product
- Revenue / yr
- €1.8M–€2.4M
- units × avg price
- Conversion rate
- 10.3%
- Avg BSR
- #21
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 92%
- Out of stock
- 0.3%
- Avg brand age
- 59 months
- Avg seller age
- 185 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
33
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
55%
Top 20: 96%
Open market
11%
- natural elements43%
- WeightWorld16%
- ProFuel12%
- SUNDAY NATURAL11%
- Doppelherz4%
- Sanhelios3%
- Open — no brand owns it (6 brands, 11%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -38.2% search growth over the last 90 days.Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 2.6×
Top vitamin d search terms
- vitamin d1.2M/yr
- vitamin d3432K/yr
- vitamin d hochdosiert40K/yr
- vitamin d tabletten22K/yr
- d vitamin18K/yr
- vit d15K/yr
- vitamin d kapseln15K/yr
- vitamin d3 hochdosiert14K/yr
- vit d39K/yr
- vitamin d präparate8K/yr
Top vitamin d 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
natural elements Vitamin D3 + K2 Depot 180 Tabletten Premium-Qualität: K2VITAL von Kappa 99 7+% All-Trans K2-MK7 + 5000 IE Vitamin D3 hochdosiert ohne Zusätze laborgeprüfte Qualität
natural elements€21.554.7★22,106 rev

natural elements Vitamin D3 1000 I.E. 365 Tabletten im Jahresvorrat Vitamin D für Knochen und Immunsystem hochdosiert ohne unnötige Zusätze in Deutschland produziert & laborgeprüft
natural elements€9.484.6★2,695 rev

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€13.714.8★1,032 rev

Vitamin D3 4000 IE - 400 Tabletten - Vitamin D trägt zur Erhaltung normaler Knochen (EFSA) - 1 Tablette alle 4 Tage - Frei von Magnesiumstearat und Vegatarisch - Quelle: Lanolin - WeightWorld
WeightWorld€15.294.6★23,841 rev

Vitamin D3 K2 VEGAN - 120 Tabletten mit 5000 IE D3 + 200 mcg K2 (MK7) - Vitamin D3 optimal hochdosiert und vegan - reicht für 19 Monate - laborgeprüft mit Zertifikat
ProFuel€10.194.7★2,784 rev
Newest
by launch date
ESN Vitamin D3 + K2 Daily 300 Tabletten für Immunsystem und Knochen made in Germany
ESN€11.14362 rev

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

Vitamin D3 4000 IE hochdosiert - 400 Tabletten - vegetarisch & produziert in Deutschland - Verpackung kann variieren
Bloom Naturals Beauty Supplements€8.69542 rev

Doppelherz Vitamin D3 7000 I.E. WOCHENDEPOT - Mit nur einer Tablette 7 Tage versorgt - 15 Wochen-Packung - 15 Mini-Tabletten
Doppelherz€3.76235 rev

Vitamin D3 VEGAN 1000 IE - 365 Tabletten - Jahresvorrat Vitamin D3 - optimal hochdosiert mit Premium-Rohstoff RAWD3 - für Immunsystem und Knochen - laborgeprüft mit Zertifikat - 100% vegan
ProFuel€8.49635 rev
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€13.714.8★

Vitamin D3 K2 2000 IE - 365 Tabletten - 2 Jahr Vorrat - Vitamin D trägt zur Erhaltung normaler Knochen und Muskeln bei (EFSA) - 1 Vit D3 K2 Tablette alle 2 Tage - WeightWorld
WeightWorld€16.454.6★

Vitamin D3 K2 VEGAN - 180 Tabletten mit 5000 IE D3 + 200 mcg K2 (MK7) - Vitamin D3 hochdosiert und vegan + Vitamin K2 in bioaktiver MK7-Form - laborgeprüft mit Zertifikat - Vorratspack: 180 Tabletten
ProFuel€14.184.8★

ESN Vitamin D3 120 Kapseln Vitamin D hochdosiert
ESN€7.364.6★

Vitamin D3 K2 VEGAN - 120 Tabletten mit 5000 IE D3 + 200 mcg K2 (MK7) - Vitamin D3 optimal hochdosiert und vegan - reicht für 19 Monate - laborgeprüft mit Zertifikat
ProFuel€10.194.7★
What buyers say about vitamin d
What buyers praise and complain about, mined from review topics.What buyers love
“Bestes Produkt”
“Super Vitamine”
“Super Preis/Leistung”
“Praktisch dosierbar und bekömmlich”
“Tut seinen Job”
“Fühl mich fitter”
“sich super schlucken”
“Beste Handhabung schnell und einfach”
“Wichtiges Supplement”
“Schmecken neutral”
What buyers complain about
“niedrig dosiert”
“Fraglich ohne vitamin k”
“Die Tabletten sind so klein”
“Wirkt nicht”
“Die Tropfen,sind geschmacksneutral”
“quality not good”
“unangenehme erfahrung”
“Irreführende IE-Angabe”
“Haben in der 1 Woche der Einnahme Magenschmerzen verursacht”
“fragwürdige Haltbarkeitsangabe”
Top return reasons
Common questions
- Is vitamin d profitable to sell on Amazon Germany?
- The niche generates €2.3M/yr across 24 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -38.2%. Flapen's verdict: Worth a look (52/100).
- How competitive is the vitamin d niche?
- 12 brands and 33 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in vitamin d?
- Top complaints mined from reviews: Dosierung, Vitamin, Gesamtgröße. The return rate is 0.1%.
- When does demand for vitamin d peak?
- Demand peaks in Jan–Feb–Oct–Nov–Dec; the busiest month runs 2.6× the quietest.
- What does it cost to enter the vitamin d niche?
- Listings span €2.98–€22.22; the average listing price is €11.78 (sweet spot $15–$100). The average incumbent carries 5,926 reviews — the moat a new listing must climb.