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51

silizium

Worth a look

Shows low returns (0.1%), but soft demand (-12.7% this quarter) keeps it on the watch list.

Market size 42Growth 19Conversion 85Competition 22Returns 100Price range 66Avg price 85Brand share 50Review moat 71Quality gap 42

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great9.5%

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

Avg price

Great€18.89

avg listing price — sweet spot $15–$100

Review moat

Good642.13

avg incumbent reviews — the moat a new listing must climb

Price range

Good€4.35–€35.54

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

Brand share

Okay75%

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

Market size

Okay€218K

€218K/yr · 121K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Bad74%

top-5 click share — a locked-up shelf

Growth

Bad-12.7%

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

According to Flapen's Amazon Germany niche tracking, silizium is a €218K/yr Amazon Germany market (121K searches/yr). The top 5 brands hold 75% of demand. Verdict: Worth a look — 51/100.

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

silizium market data

Units sold / yr
8K–10K
avg 500–750/product
Revenue / yr
€151K–€189K
units × avg price
Conversion rate
9.5%
Avg BSR
#85
Page quality
0%
Prime
87%
Sponsored
87%
Out of stock
21.1%
Avg brand age
61 months
Avg seller age
180 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

14 falling

Sellers

29

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

20%

  • ProFuel27%
  • RAIBU23%
  • Vit4ever12%
  • NATURTREU7%
  • CDF Sports & Health Solutions6%
  • Nord Vital5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.7% search growth over the last 90 days.
5K4KHoliday '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top silizium search terms

  • silizium50K/yr
  • silizium hochdosiert kapseln25K/yr
  • silicium16K/yr
  • silicium kapseln hochdosiert9K/yr
  • silicium kapseln6K/yr
  • silizium bambusextrakt4K/yr
  • silicea kapseln4K/yr
  • siliciumdioxid2K/yr
  • organisches silizium4K/yr
All search terms

Top silizium 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%10%€22K20%€44K30%€65K40%€87K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about silizium

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

What buyers love

Qualität insgesamt23%

“Bestes Produkt”

Haarwachstum11%

“super Haarprodukt”

beworben Vs Tatsächliches Produkt10%

“ok. macht was es soll”

Effizienz5%

“Funktioniert”

Magnesium4%

“G7 Original Silizium”

Dosierung4%

“Bin mit den Kapseln sehr zufrieden”

Preis-Leistungs-Verhältnis4%

“Preiswert und gut”

Einfaches Kauen/Schlucken4%

“Gut einzunehmen”

Kalzium3%

“Silizium, sehr wichtig bei Osteoporose”

Komfort insgesamt3%

“Wohlbefinden”

What buyers complain about

Funktionalität insgesamt22%

“Wirkt nicht”

Gesamtgröße9%

“einfach viel zu grosse Tabletten”

Dosierung9%

“dauert halt ein bisserl”

Vitamin7%

“Haar Vitamin. Keine Ergebnisse”

beworben Vs Tatsächliches Produkt6%

“Verwirrende Beschreibung”

Farbe5%

“Farbliche Abweichungen”

Allergien5%

“das juckt einen.”

Nebenwirkungen5%

“Bauchschmerzen”

Ernährungs Gehalt3%

“Wie immer sollte man wissen, dass Nahrungsergänzungsmittel allein nicht eine ausgewogene Ernährung ersetzen”

Haarwachstum3%

“Nach 3 Monaten sind die Nägel immer noch weich und biegsam, und wachsen genauso wie meine Haare nur sehr langsam”

Top return reasons

Kalzium100%

Common questions

Is silizium profitable to sell on Amazon Germany?
The niche generates €218K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -12.7%. Flapen's verdict: Worth a look (51/100).
How competitive is the silizium niche?
14 brands and 29 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in silizium?
Top complaints mined from reviews: Funktionalität insgesamt, Gesamtgröße, Dosierung. The return rate is 0.1%.
When does demand for silizium peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the silizium niche?
Listings span €4.35–€35.54; the average listing price is €18.89 (sweet spot $15–$100). The average incumbent carries 642 reviews — the moat a new listing must climb.