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52

l tyrosin

Worth a look

Shows low returns (0.1%), but a concentrated shelf (top 5 take 82% of clicks) keeps it on the watch list.

Market size 55Growth 23Conversion 95Competition 15Returns 100Price range 54Avg price 81Brand share 33Review moat 79Quality gap 52

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible12.0%

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

Avg price

Great€17.31

avg listing price — sweet spot $15–$100

Review moat

Great420.36

avg incumbent reviews — the moat a new listing must climb

Market size

Good€380K

€380K/yr · 183K searches

Price range

Good€9.00–€22.09

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay85%

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

Growth

Bad-3.1%

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

Competition

Bad82%

top-5 click share — a locked-up shelf

According to Flapen's Amazon Germany niche tracking, l tyrosin is a €380K/yr Amazon Germany market (183K searches/yr). The top 5 brands hold 85% of demand. Verdict: Worth a look — 52/100.

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

l tyrosin market data

Units sold / yr
20K–25K
avg 1,500–2,000/product
Revenue / yr
€346K–€433K
units × avg price
Conversion rate
12.0%
Avg BSR
#205
Page quality
0%
Prime
91%
Sponsored
82%
Out of stock
0.0%
Avg brand age
58 months
Avg seller age
183 days

Competition & brand share

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

Brands

9 flat

Sellers

8

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

10%

  • Nature Love39%
  • ProFuel25%
  • Vit4ever11%
  • GEN GERMAN ELITE NUTRITION6%
  • CDF Sports & Health Solutions4%
  • Vegavero4%
  • Open — no brand owns it (3 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.1% search growth over the last 90 days.
5K3KPrime Day '24Spike '24Spike '25Prime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Top l tyrosin search terms

  • l tyrosin69K/yr
  • l-tyrosin32K/yr
  • tyrosin31K/yr
  • l tyrosin hochdosiert11K/yr
  • l tyrosine5K/yr
  • l thyroxin6K/yr
  • l-tyrosine5K/yr
  • tyrosin kapseln6K/yr
  • l-thyroxin5K/yr
  • l-thyrosin5K/yr
All search terms

Top l tyrosin 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%€38K20%€76K30%€114K40%€152K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

What buyers say about l tyrosin

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

What buyers love

Qualität insgesamt14%

“Top Produkt”

Dosierung12%

“optimale Dosierung”

Preis-Leistungs-Verhältnis11%

“wirkt preislich fair”

Vegan/Biologisch7%

“vegan”

Fokusverbesserung6%

“Solides Produkt für Fokus und mentale Leistung”

Einfaches Kauen/Schlucken6%

“sich mit etwas Wasser gut schlucken.”

Vitamin6%

“findet es Großartig, dass gleichzeitig mit jeder verkauften Packung 1 % Spenden an die Hilfsorganisation Vitamin Angels gehen”

Inhaltsstoffe – insgesamt4%

“Solides Aminosäure-Supplement – sinnvoll”

Geschmack insgesamt2%

“Geschmacksneutral und gut schluckbar”

Benutzerfreundlichkeit2%

“praktisch in der Anwendung”

What buyers complain about

Dosierung14%

“Keine Wirkung nach Einnahme einer Dose”

Funktionalität insgesamt10%

“Bei mir keine Wirkung”

Nebenwirkungen7%

“Es können dadurch Symptome, wie Haarausfall und Magenprobleme entstehen”

Schlafqualität7%

“Wochenlang genommen und hatte enorme Schlafprobleme”

Gesamtgröße7%

“Kapseln sind ein wenig größer als normal”

Zertifizierungen5%

“Laut Gutachten vom 18.06.2024 "als nicht verkehrsfähig in Deutschland" eingestuft.”

Energieniveau5%

“Mehr Wachheit/antrieb sehr subtil aber”

Preis-Leistungs-Verhältnis5%

“Rausgeschmissenes Geld”

Stärke5%

“kein starker Effekt, kann in bestimmten Situationen etwas unterstützen,”

Geschmack insgesamt2%

“Geschmacklos”

Common questions

Is l tyrosin profitable to sell on Amazon Germany?
The niche generates €380K/yr across 11 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -3.1%. Flapen's verdict: Worth a look (52/100).
How competitive is the l tyrosin niche?
9 brands and 8 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in l tyrosin?
Top complaints mined from reviews: Dosierung, Funktionalität insgesamt, Nebenwirkungen. The return rate is 0.1%.
When does demand for l tyrosin peak?
Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the l tyrosin niche?
Listings span €9.00–€22.09; the average listing price is €17.31 (sweet spot $15–$100). The average incumbent carries 420 reviews — the moat a new listing must climb.