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56

calciumcitrat

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 38Growth 15Conversion 82Competition 50Returns 99Price range 79Avg price 79Brand share 80Review moat 77Quality gap 28

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great8.7%

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

Brand share

Great55%

top-5 brand share — no brand owns this niche

Avg price

Great€16.57

avg listing price — sweet spot $15–$100

Price range

Great€8.12–€43.22

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

Review moat

Great461.82

avg incumbent reviews — the moat a new listing must climb

Competition

Good55%

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

Market size

Okay€194K

€194K/yr · 135K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-20.1%

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

According to Flapen's Amazon Germany niche tracking, calciumcitrat is a €194K/yr Amazon Germany market (135K searches/yr). The top 5 brands hold 55% of demand. Verdict: Worth a look — 56/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

calciumcitrat market data

Units sold / yr
10K–13K
avg 250–500/product
Revenue / yr
€166K–€207K
units × avg price
Conversion rate
8.7%
Avg BSR
#47
Page quality
0%
Prime
86%
Sponsored
100%
Out of stock
3.9%
Avg brand age
68 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

18 falling

Sellers

41

Top-5 brand share

55%

Top 20: 100%

Top-5 click share

55%

Top 20: 99%

Open market

38%

  • vitabay15%
  • Vit4ever13%
  • Zenement12%
  • Vita World9%
  • WARNKE VITALSTOFFE7%
  • Vitamintrend7%

Demand & seasonality

Weekly Amazon search volume, last 89 weeks — -20.1% search growth over the last 90 days.
4K3KHoliday '24Spike '25Prime Day '25Black Friday '25Spike '26NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.5×

Top calciumcitrat search terms

  • calciumcitrat87K/yr
  • calcium citrate13K/yr
  • calciumcitrat 500mg7K/yr
  • calciumcitrat kapseln4K/yr
  • calciumcitrat 1000mg9K/yr
  • calciumcitrat hochdosiert6K/yr
  • calcium citrat4K/yr
  • calcium citrate 1000mg4K/yr
All search terms

Top calciumcitrat 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%4%€8K8%€16K12%€23K16%€31K101001K10K 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.

What buyers say about calciumcitrat

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

What buyers love

Kalzium20%

“Calcium TABLETTEN”

Qualität insgesamt17%

“Super Produkt”

Preis-Leistungs-Verhältnis12%

“preis/Leistung super”

beworben Vs Tatsächliches Produkt6%

“Ware wie Bestellt”

Einfaches Kauen/Schlucken6%

“Ich selbst hatte bisher keinerlei Probleme bei der Einnahme – die Tabletten sind gut schluckbar”

Vitamin6%

“Vitamine”

Benutzerfreundlichkeit4%

“leicht zu schlucken”

Dosierung3%

“Ein wesentlicher Vorteil ist die hohe Dosierung von 1100 mg pro Kapsel”

Ernährungs Gehalt2%

“Klasse Supplements”

Gesamtgröße2%

“Passt”

What buyers complain about

Einfaches Kauen/Schlucken16%

“Nicht schluckbar”

Gesamtgröße13%

“Die Tabletten sind groß”

Kalzium9%

“Calcium darf bei mir nie ausgehen”

Geruch6%

“Der Geruch ist wirklich muffig”

Preis-Leistungs-Verhältnis5%

“Dafür zu teuer”

Allergien5%

“Von den Füllstoffen bekommt man als Allergiker Durchfall”

Dosierung5%

“900 mg ist irreführend”

Qualität insgesamt4%

“Probleme des Artikels werden benannt”

Hartes Gefühl2%

“Schwer schluckbar wegen rauer Oberfläche”

Nebenwirkungen2%

“Eine Nebenwirkungen”

Top return reasons

Kalzium40%
Gesamtgröße30%
Dosierung30%

Common questions

Is calciumcitrat profitable to sell on Amazon Germany?
The niche generates €194K/yr across 22 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -20.1%. Flapen's verdict: Worth a look (56/100).
How competitive is the calciumcitrat niche?
18 brands and 41 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 55% of demand.
What do buyers complain about in calciumcitrat?
Top complaints mined from reviews: Einfaches Kauen/Schlucken, Gesamtgröße, Kalzium. The return rate is 0.1%.
When does demand for calciumcitrat peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the calciumcitrat niche?
Listings span €8.12–€43.22; the average listing price is €16.57 (sweet spot $15–$100). The average incumbent carries 462 reviews — the moat a new listing must climb.