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vitamin d 10000

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Soft demand (-21.4% this quarter) — this niche doesn't clear our bar today.

Market size 31Growth 14Conversion 84Competition 27Returns 100Price range 87Avg price 85Brand share 45Review moat 42Quality gap 19

Returns

Incredible0.1%

return rate — above 6% kills the launch gate

Price range

Great€13.42–€29.22

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

Avg price

Great€19.00

avg listing price — sweet spot $15–$100

Conversion

Great9.3%

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

Brand share

Okay78%

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

Review moat

Okay2,292.07

avg incumbent reviews — the moat a new listing must climb

Market size

Okay€144K

€144K/yr · 82K searches

Competition

Okay69%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-21.4%

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

Competition

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

12

Top-5 brand share

78%

Open market

13%

  • Bloom Naturals Beauty Supplements29%
  • Vit4ever16%
  • NutriFair12%
  • vitabay11%
  • natural elements9%
  • Berg Nutrition9%
  • Open — no brand owns it (3 brands, 13%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%€14K20%€29K30%€43K40%€58K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.4% search growth over the last 90 days.
2K2KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 2.4×

Reviews

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

What buyers love

Qualität insgesamt27%

“Bestes Produkt”

Vitamin15%

“Bestes Vitamin D3”

Dosierung11%

“Es sind noch viele Tabletten in der Dose”

Preis-Leistungs-Verhältnis6%

“Super Preis/Leistung”

Benutzerfreundlichkeit5%

“Beste Handhabung schnell und einfach”

beworben Vs Tatsächliches Produkt5%

“alles wie bestellt”

Geschmack insgesamt3%

“Schmeckt neutral”

Gesamtgröße2%

“Fit”

Einfaches Kauen/Schlucken2%

“Die Tabletten lassen sich gut schlucken”

Geschmack2%

“Geschmacklich gut”

What buyers complain about

Dosierung15%

“als einzeldosis Unverträglichkeit”

Vitamin9%

“Vitamin D ist eigentlich keine reguläre Vitamine”

beworben Vs Tatsächliches Produkt5%

“Und in den anderen Feedbacks sehe ich es auch nicht wo ein foto dabei ist”

Funktionalität insgesamt4%

“Wirkt bei mir nicht”

Gesamtgröße4%

“Tabletten sind klein”

Preis-Leistungs-Verhältnis4%

“Nur doppelt so teuer”

Qualität insgesamt4%

“Aufgekaufte Firma, schlechte Qualität”

Stärke3%

“Schwache Wirkung”

Auslaufsicher3%

“Schraubverschluss leider undicht”

Messung / Ablesegenauigkeit3%

“Das beeinträchtigt die Genauigkeit der Pipette”

Top return reasons

Dosierung50%
Sicherheitsstandards50%