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57

vitamin b12

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 95Growth 19Conversion 94Competition 38Returns 100Price range 49Avg price 58Brand share 50Review moat 35Quality gap 24

Returns

Incredible0.1%

return rate — above 6% kills the launch gate

Market size

Incredible€2.2M

€2.2M/yr · 1.4M searches

Conversion

Great11.8%

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

Avg price

Good€12.97

avg listing price — sweet spot $15–$100

Brand share

Good75%

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

Price range

Okay€2.65–€26.77

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

Competition

Okay62%

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

Review moat

Okay3,007

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-12.1%

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

Competition

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 rising

Sellers

34

Top-5 brand share

75%

Open market

20%

  • ProFuel27%
  • natural elements21%
  • SUNDAY NATURAL12%
  • Bloom Naturals Beauty Supplements8%
  • Doppelherz7%
  • WeightWorld6%

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%€221K20%€442K30%€663K40%€884K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.1% search growth over the last 90 days.
40K30KPrime Day '24Spike '24Holiday '24Prime Day '25Spike '25Black Friday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Reviews

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

What buyers love

Vitamin18%

“Vitamin”

Qualität insgesamt17%

“Super Produkt”

Preis-Leistungs-Verhältnis11%

“Super Preis-Leistung”

beworben Vs Tatsächliches Produkt6%

“Alles bestens,genau wie beschrieben”

Dosierung6%

“Möglichkeit der Dosierung nach Wunsch”

Benutzerfreundlichkeit4%

“Leichtes Handling”

Einfaches Kauen/Schlucken4%

“Kleine Tablette und gut zu schlucken”

Geschmack insgesamt4%

“schmeckt”

Effizienz3%

“Wirkt”

Ernährungs Gehalt2%

“Das passt perfekt zu meinem bewussten Umgang mit Supplements”

What buyers complain about

Dosierung9%

“Hoch dosiert”

Vitamin9%

“Vitamin B12 habe ich erstes mal besellt”

Gesamtgröße7%

“Die Tabletten sind relativ klein”

Funktionalität insgesamt6%

“Nach 6 Monaten leider keine Änderung”

Preis-Leistungs-Verhältnis4%

“etwas teuer, aber noch ok”

Geschmack insgesamt3%

“Hatte schon andere Präparate die nicht so gut geschmeckt haben”

Säureregulator/Linderung von Magenschmerzen3%

“Verursachen Magenschmerzen”

Einfaches Kauen/Schlucken3%

“Schluckbeschwerden beim Einnahme”

Auslaufsicher3%

“Undicht”

Süße2%

“fast zu süß vom Geschmack”