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vitamin d3 5000

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Soft demand (-28.7% this quarter) — this niche doesn't clear our bar today.

Market size 19Growth 11Conversion 89Competition 50Returns 100Price range 58Avg price 76Brand share 56Review moat 25Quality gap 20

Returns

Incredible0.1%

return rate — above 6% kills the launch gate

Conversion

Great10.6%

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

Avg price

Great€15.43

avg listing price — sweet spot $15–$100

Price range

Good€7.69–€25.10

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

Brand share

Good71%

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

Competition

Okay55%

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

Review moat

Bad4,352.86

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Market size

Bad€75K

€75K/yr · 46K searches

Growth

Bad-28.7%

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

Competition

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

25

Top-5 brand share

71%

Open market

22%

  • natural elements20%
  • Bloom Naturals Beauty Supplements18%
  • AAVALABS15%
  • Vitamaze - amazing life10%
  • SUNDAY NATURAL9%
  • Vit4ever7%

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%4%€3K8%€6K12%€9K16%€12K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -28.7% search growth over the last 90 days.
2K1KPrime Day '24Spike '24Black Friday '24Spike '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Oct, Nov · busiest ÷ quietest = 2.0×

Reviews

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

What buyers love

Qualität insgesamt22%

“Good quality”

Vitamin15%

“Vitamin”

Preis-Leistungs-Verhältnis12%

“Super Preis/Leistung”

Dosierung11%

“Super Dosierung”

beworben Vs Tatsächliches Produkt6%

“Tut seinen Job”

Benutzerfreundlichkeit4%

“Beste Handhabung schnell und einfach”

Gesamtgröße3%

“Passt”

Einfaches Kauen/Schlucken3%

“sich super schlucken”

Geschmack insgesamt2%

“Schmeckt neutral”

Effizienz1%

“Wirkt”

What buyers complain about

Dosierung21%

“Niedrig Dosis Präparat”

Vitamin11%

“Ergebnis sehr niedriges Vitamin D”

Funktionalität insgesamt4%

“Wirken tut da nix”

beworben Vs Tatsächliches Produkt4%

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

Geschmack insgesamt4%

“Die Tropfen,sind geschmacksneutral”

Gesamtgröße3%

“Die Tabletten selbst sind super klein”

Qualität insgesamt3%

“Hier scheint die Qualität miserabel zu sein”

Nebenwirkungen2%

“unangenehme erfahrung”

Messung / Ablesegenauigkeit2%

“Das beeinträchtigt die Genauigkeit der Pipette”

Auslaufsicher2%

“Schraubverschluss leider undicht”

Top return reasons

Sicherheitsstandards100%