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phenibut

Skip it

Soft demand (-27.2% this quarter) — this niche doesn't clear our bar today.

Market size 13Growth 11Conversion 77Competition 24Returns 99Price range 57Avg price 78Brand share 46Review moat 80Quality gap 73

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Review moat

Great407.53

avg incumbent reviews — the moat a new listing must climb

Avg price

Great€16.14

avg listing price — sweet spot $15–$100

Conversion

Great7.4%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Price range

Good€8.34–€23.89

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

Brand share

Okay77%

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

Competition

Bad71%

top-5 click share — a locked-up shelf

Market size

Bad€54K

€54K/yr · 45K searches

Growth

Bad-27.2%

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

According to Flapen's Amazon Germany niche tracking, phenibut is a €54K/yr Amazon Germany market (45K searches/yr). The top 5 brands hold 77% of demand. Verdict: Skip it — 48/100.

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

phenibut market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
€24K–€32K
units × avg price
Conversion rate
7.4%
Avg BSR
#1,224
Page quality
0%
Prime
82%
Sponsored
94%
Out of stock
1.5%
Avg brand age
56 months
Avg seller age
181 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

13 falling

Sellers

19

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

17%

  • WARNKE VITALSTOFFE27%
  • Vita World19%
  • GEN GERMAN ELITE NUTRITION17%
  • Naturkur8%
  • Raw Powders6%
  • Vitamintrend6%
  • Open — no brand owns it (7 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -27.2% search growth over the last 90 days.
1K750Spike '24Holiday '24Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top phenibut search terms

  • phenibut20K/yr
  • phenylalanin12K/yr
  • phenibut kapseln5K/yr
  • phen5K/yr
  • l-phenylalanin2K/yr
  • phenylethylamine1K/yr
All search terms

Top phenibut 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%€5K20%€11K30%€16K40%€22K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 17 tracked products in this niche — three views at once, no toggling.

What buyers say about phenibut

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

What buyers love

Spannung/Angst15%

“Ideal für stressige Arbeitstage”

Fokusverbesserung14%

“Active Brain Performance wirkt sanft und zuverlässig”

Qualität insgesamt13%

“Super Produkt”

Energieniveau11%

“Sanfter Energieschub”

Dosierung6%

“Bequeme Tagesdosis”

Gesamtgröße6%

“Fitter”

Preis-Leistungs-Verhältnis5%

“Funktiomiert und kostengünstig”

beworben Vs Tatsächliches Produkt4%

“Wirkt”

Beruhigend Wirkung4%

“Sanfte Unterstützung”

Schlafqualität4%

“Entspannungs-Kapseln für Abende ohne Kopfkino”

What buyers complain about

Nebenwirkungen40%

“Leider gefällt mir keine der Wirkungen, ich spüre sie nicht”

Funktionalität insgesamt25%

“Bei mir wirkt es überhaupt nicht”

Benutzerfreundlichkeit5%

“schwer zu schlucken”

Dosierung5%

“Ich konnte leider keinen unterscheid merken die kapsules sind sehr wenig drin nicht komplett 500mg”

Preis-Leistungs-Verhältnis5%

“Aus meiner Sicht rausgeschmissenes Geld”

Einfaches Kauen/Schlucken5%

“schwer zu schlucken”

Vitamin3%

“Ich bin grundsätzlich kein Fan von Nahrungsergänzungsmitteln”

Kältelinderung3%

“Den Menschen, die an Wintermüdigkeit leiden, oder nur mit ihrer Leistungsfähigkeit unzufrieden sind, wird es nicht helfen”

Common questions

Is phenibut profitable to sell on Amazon Germany?
The niche generates €54K/yr across 17 tracked products. 90-day search growth is -27.2%. Flapen's verdict: Skip it (48/100).
How competitive is the phenibut niche?
13 brands and 19 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in phenibut?
Top complaints mined from reviews: Nebenwirkungen, Funktionalität insgesamt, Benutzerfreundlichkeit. The return rate is 0.1%.
When does demand for phenibut peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the phenibut niche?
Listings span €8.34–€23.89; the average listing price is €16.14 (sweet spot $15–$100). The average incumbent carries 408 reviews — the moat a new listing must climb.