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glycin kapseln

Skip it

Soft demand (-33.4% this quarter) — this niche doesn't clear our bar today.

Market size 20Growth 8Conversion 90Competition 15Returns 100Price range 49Avg price 77Brand share 38Review moat 82Quality gap 40

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great10.7%

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

Review moat

Great357

avg incumbent reviews — the moat a new listing must climb

Avg price

Great€15.94

avg listing price — sweet spot $15–$100

Price range

Okay€9.27–€20.46

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay82%

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

Market size

Bad€79K

€79K/yr · 46K searches

Competition

Bad82%

top-5 click share — a locked-up shelf

Growth

Bad-33.4%

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

According to Flapen's Amazon Germany niche tracking, glycin kapseln is a €79K/yr Amazon Germany market (46K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 44/100.

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

glycin kapseln market data

Units sold / yr
5K–6K
avg 250–500/product
Revenue / yr
€80K–€96K
units × avg price
Conversion rate
10.7%
Avg BSR
#422
Page quality
0%
Prime
90%
Sponsored
60%
Out of stock
0.0%
Avg brand age
38 months
Avg seller age
179 days

Competition & brand share

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

21

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

13%

  • GREEN NATURALS35%
  • Vit4ever30%
  • Syglabs Nutrition7%
  • Naturkur6%
  • Horbäach5%
  • ProFuel5%
  • Open — no brand owns it (4 brands, 13%)

Demand

Weekly Amazon search volume, last 27 weeks — -33.4% search growth over the last 90 days.
2K2KSpike '26Jan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26

Top glycin kapseln search terms

  • glycin kapseln38K/yr
  • glycine kapseln4K/yr
  • glycin tabletten4K/yr
All search terms

Top glycin kapseln 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%€8K20%€16K30%€24K40%€31K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

What buyers say about glycin kapseln

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

What buyers love

Schlafqualität25%

“Schlaf gut”

Qualität insgesamt18%

“Super Produkt”

Preis-Leistungs-Verhältnis7%

“Unschlagbarer Preis”

Benutzerfreundlichkeit4%

“Gut verträglich”

Löslichkeit3%

“gut und lösbar”

Dosierung3%

“Wirkung direkt bei der ersten Einnahme”

Gesamtgröße3%

“Passt”

Süße3%

“Schmeckt OK (ist pur ohne Aromen, also süß).”

Geschmack insgesamt2%

“Schmeckt angenehm neutral”

Inhaltsstoffe – insgesamt2%

“Glycin,super Produkt”

What buyers complain about

Dosierung9%

“Zu niedrig dosiert”

Schlafqualität9%

“Ich hatte die oben genannten Probleme mit dem Schlaf”

beworben Vs Tatsächliches Produkt7%

“Widerspruch zwichen Beschreibung und Verpackungsbeschreibung”

Geschmack insgesamt5%

“Geschmack gewöhnungsbedürftig”

Inhaltsstoffe – insgesamt5%

“Unnötiger Zusatzstoff”

Nebenwirkungen4%

“Ich habe bis dato noch keine so schnelle Wirkung von NEM gemerkt wie bei Glycin”

Süße4%

“Außerdem schmeckt es unangenehm süß, was die Einnahme eher unerquicklich macht”

Geschmack3%

“Die Kapseln sind geschmacksneutral, da das Pulver in der Hülle eingeschlossen ist”

Funktionalität insgesamt3%

“Eher nicht wirksam”

Speicherkapazität3%

“eignet sich daher nicht gut für die langfristige Lagerung.”

Common questions

Is glycin kapseln profitable to sell on Amazon Germany?
The niche generates €79K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -33.4%. Flapen's verdict: Skip it (44/100).
How competitive is the glycin kapseln niche?
10 brands and 21 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in glycin kapseln?
Top complaints mined from reviews: Dosierung, Schlafqualität, beworben Vs Tatsächliches Produkt. The return rate is 0.0%.
What does it cost to enter the glycin kapseln niche?
Listings span €9.27–€20.46; the average listing price is €15.94 (sweet spot $15–$100). The average incumbent carries 357 reviews — the moat a new listing must climb.