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Soft demand (-46.5% this quarter) — this niche doesn't clear our bar today.

Market size 25Growth 2Conversion 77Competition 27Returns 99Price range 76Avg price 93Brand share 29Review moat 86Quality gap 75

Returns

Incredible0.2%

return rate — above 6% kills the launch gate

Avg price

Great€22.05

avg listing price — sweet spot $15–$100

Review moat

Great285.62

avg incumbent reviews — the moat a new listing must climb

Conversion

Great7.6%

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

Price range

Great€6.71–€42.21

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Brand share

Okay88%

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

Competition

Okay69%

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

Market size

Bad€98K

€98K/yr · 59K searches

Growth

Bad-46.5%

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

Competition

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

21

Top-5 brand share

88%

Open market

8%

  • GEN GERMAN ELITE NUTRITION47%
  • Bulk15%
  • OLIMP SPORT NUTRITION13%
  • Soaring Eagle6%
  • IronMaxx6%
  • Scenit Redefining your Body5%
  • Open — no brand owns it (3 brands, 8%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%€10K20%€20K30%€29K40%€39K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -46.5% search growth over the last 90 days.
8K6KPrime Day '24Holiday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.6×

Reviews

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

What buyers love

Linderung von Muskelschmerzen15%

“Sofort gemerkt bessere Muskle Regeneration nach den Training”

Qualität insgesamt14%

“in Premium Qualität.”

Dosierung9%

“Interessantes HMB-Supplement mit solider Dosierung”

Preis-Leistungs-Verhältnis6%

“Der Preis (akt. 30,- € = ca. 8 Cent pro Kapsel) ist absolut top”

Inhaltsstoffe – insgesamt5%

“Anti-Katabol-Supplement”

Kalzium5%

“Gute Calcium HMB Kapseln”

Einfaches Kauen/Schlucken4%

“trotzdem gut schluckbar.”

Ernährungs Gehalt4%

“Interessantes HMB-Supplement mit solider Dosierung”

Vitamin3%

“Interessantes HMB-Supplement mit solider Dosierung”

beworben Vs Tatsächliches Produkt3%

“das Produkt entspricht der Beschreibung des Verkäufers.”

What buyers complain about

Dosierung13%

“Dosierung Missverständlich”

Preis-Leistungs-Verhältnis10%

“fraglicher Mehrwert im Alltag”

Geschmack4%

“Sie bleiben nicht in der Kehle kleben und sind geschmacklos”

Gesamtgröße4%

“Sie sind ziemlich gross”

Löslichkeit3%

“löst sich nicht auf”

Bitter3%

“Bitter und unlöslich in kaltem Wasser”

Geschmack insgesamt3%

“Wirkung okay, Geschmack leider sehr unangenehm”

Genauigkeit insgesamt2%

“Noch nicht überzeugt”

Qualität insgesamt2%

“Günstigstes HMB-Kapsel-Produkt”

Inhaltsstoffe – insgesamt2%

“Günstigstes HMB-Kapsel-Produkt, transparente Inhaltsangaben 👍 Wirkstoff: ⭐⭐⭐⭐⭐”