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methionin

Skip it

A small market ($47K/yr) — this niche doesn't clear our bar today.

Market size 12Growth 17Conversion 95Competition 18Returns 100Price range 48Avg price 78Brand share 42Review moat 93Quality gap 45

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible12.1%

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

Review moat

Great145.5

avg incumbent reviews — the moat a new listing must climb

Avg price

Great€16.23

avg listing price — sweet spot $15–$100

Price range

Okay€9.26–€20.39

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

Okay80%

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

Competition

Bad78%

top-5 click share — a locked-up shelf

Growth

Bad-15.2%

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

Market size

Bad€47K

€47K/yr · 24K searches

According to Flapen's Amazon Germany niche tracking, methionin is a €47K/yr Amazon Germany market (24K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 46/100.

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

methionin market data

Units sold / yr
3K–3K
avg 100–250/product
Revenue / yr
€41K–€49K
units × avg price
Conversion rate
12.1%
Avg BSR
#609
Page quality
0%
Prime
67%
Sponsored
75%
Out of stock
0.0%
Avg brand age
71 months
Avg seller age
191 days

Competition & brand share

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

24

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

14%

  • CDF Sports & Health Solutions33%
  • TRUE NATURE18%
  • Birsppy12%
  • Naturkur10%
  • GymBeam7%
  • Greenfood6%
  • Open — no brand owns it (5 brands, 14%)

Demand

Weekly Amazon search volume, last 50 weeks — -15.2% search growth over the last 90 days.
500300Jul '25Sep '25Nov '25Jan '26Mar '26May '26

Top methionin search terms

  • methionin11K/yr
  • methionin 500mg5K/yr
  • l-methionin4K/yr
  • l methionin4K/yr
All search terms

Top methionin 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%€9K30%€14K40%€19K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What buyers say about methionin

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

What buyers love

Qualität insgesamt17%

“Super Qualität”

Entzündung14%

“Dieses Präparat ist der Lichtblick bei meinen Entzündungen, da es tatsächlich wirkt”

Inhaltsstoffe – insgesamt8%

“Schön, dass der Hersteller am breites Angebot an Nahrungsergänzungsmitteln hat”

Hustenlinderung7%

“Eine Kapsel pro Tag reicht vollkommen, da es sehr wirksam ist bei Harnwegsinfektionen”

Dosierung7%

“Die Kapseln sind sehr gut”

Haarwachstum7%

“Die Haare wachsen wieder und sinnvoller geworden”

Stärke7%

“Sehr wirksam”

Benutzerfreundlichkeit5%

“Sehr gut verträglich”

Gesundheit der Harnblase5%

“Hilft meinem Hund den pH Wert im Urin zu regulieren”

Vitamin3%

“Schön, dass der Hersteller am breites Angebot an Nahrungsergänzungsmitteln hat”

What buyers complain about

Preis-Leistungs-Verhältnis38%

“nur der Preis hat sich geändert.”

Haarverwandt13%

“Der leider einige Friseure es geschafft haben mir die Haare abzubrechen”

Nebenwirkungen13%

“dann habe ich starke Magenschmerzen / Krämpfe von diesen Kapseln bekommen.”

Säureregulator/Linderung von Magenschmerzen13%

“dann habe ich starke Magenschmerzen / Krämpfe von diesen Kapseln bekommen.”

Common questions

Is methionin profitable to sell on Amazon Germany?
The niche generates €47K/yr across 12 tracked products. 90-day search growth is -15.2%. Flapen's verdict: Skip it (46/100).
How competitive is the methionin niche?
11 brands and 24 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in methionin?
Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Haarverwandt, Nebenwirkungen. The return rate is 0.1%.
What does it cost to enter the methionin niche?
Listings span €9.26–€20.39; the average listing price is €16.23 (sweet spot $15–$100). The average incumbent carries 146 reviews — the moat a new listing must climb.