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Glycin

Glycin shows low returns (0.0%), but soft demand (-5.9% this quarter) keeps it on the watch list.

Flapen Score

55
Worth a look

Top 22% of 2,966 Drogerie & Körperpflege niches · +6 vs the category median of 49

Market size 76Growth 22Conversion 96Competition 23Returns 100Price range 46Avg price 76Brand share 50Review moat 74Quality gap 23
This niche Category average · 2,966 niches

Is Glycin profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Glycin is a €922K/yr Amazon Germany market (427K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Mar–Apr. Verdict: Worth a look — 55/100.

Glycin: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -5.9% over the last 90 days and 14.2% of searches end in a purchase.

€922K

revenue / yr

Units sold / yr60K
Search volume / yr-5.9%427K
Conversion rate14.2%
Avg price€15.26

Who owns the niche?

The top 5 brands hold 75% of demand, so 25% of the market is open.

25%

open market share

Brands · sellers11 · 12
Top-5 product click share73%
Open market25%
Avg brand age41 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 13 products

Sponsored placement92%
New entrants (1y)4· 3 succeeded
Avg rating4.6★
Avg reviews551

Top Glycin products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

€0€92K€184K€276K€369K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 falling

Sellers

12

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

18%

  • ProFuel26%
  • Vegavero20%
  • lalea12%
  • GREEN NATURALS10%
  • Vit4ever8%
  • Bloom Naturals Beauty Supplements7%

Glycin demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume427KCVR14.2%Products13Brands11Top 5 Brands75%OOS Rate0.5%Rating4.6★Reviews551Avg BSR#362
13K8KSpike '24Black Friday '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr · busiest ÷ quietest = 2.2×

Top Glycin search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • glycin254K/yr
  • glycin pulver82K/yr
  • glycine27K/yr
  • glycin pulver bio18K/yr
  • l glycin8K/yr
  • glycine powder4K/yr
  • l-glycin7K/yr
  • glycin sunday natural3K/yr
  • sunday natural glycin pulver2K/yr
  • glycin kaufen6K/yr

What reviews say buyers love and hate about Glycin

What buyers mention most, as a share of all reviews.

What buyers love

70% of reviews
Schlafqualität16%

Bestes Glycin ohne Zusätze für tieferen Schlaf

Qualität insgesamt16%

Super Produkt

Süße7%

natürliche Süße –

Löslichkeit7%

Lässt sich leicht in Wasser, Tee oder Smoothies einrühren

Geschmack insgesamt6%

Lecker 😋 Schmeckt hervorragend

What buyers complain about

45% of reviews
Süße10%

Nicht so süß

Geschmack insgesamt7%

Schmeckt schre

Dosierung6%

10mg ist schon sehr hoch

beworben Vs Tatsächliches Produkt5%

Nicht 100% Glycin

Inhaltsstoffe – insgesamt4%

Nicht 100% Glycin

Common Glycin questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Glycin 55/100 on Amazon Germany — Worth a look. The niche generates €922K/yr across 13 tracked products. 3 of 4 products launched in the last 360 days are still selling. Search demand moved -5.9% over the last 90 days.
Search demand for Glycin on Amazon Germany peaks in Mar–Apr, where the busiest month runs 2.2× the quietest.