Is methylenblau profitable to sell on Amazon Germany?

The niche generates €261K/yr across 9 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -32.0%. Flapen's verdict: Skip it (47/100).

How competitive is the methylenblau niche?

9 brands and 11 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 81% of demand.

What do buyers complain about in methylenblau?

Top complaints mined from reviews: Farbe. The return rate is 0.4%.

When does demand for methylenblau peak?

Demand peaks in Jan–Feb–Mar; the busiest month runs 3.3× the quietest.

What does it cost to enter the methylenblau niche?

Listings span €8.63–€25.17; the average listing price is €16.57 (sweet spot $15–$100). The average incumbent carries 312 reviews — the moat a new listing must climb.

methylenblau

Skip it

Soft demand (-32.0% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Review moat

Great312.22

avg incumbent reviews — the moat a new listing must climb

Conversion

Great9.0%

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

Avg price

Great€16.57

avg listing price — sweet spot $15–$100

Price range

Good€8.63–€25.17

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

Market size

Okay€261K

€261K/yr · 175K searches

Brand share

Okay81%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad81%

top-5 click share — a locked-up shelf

Growth

Bad-32.0%

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

Signals Low Review Barrier

According to Flapen's Amazon Germany niche tracking, methylenblau is a €261K/yr Amazon Germany market (175K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 47/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

methylenblau market data

Units sold / yr: 15K–20K; avg 2,000–2,500/product
Revenue / yr: €249K–€331K; units × avg price
Conversion rate: 9.0%
Avg BSR: #291
Page quality: 0%
Prime: 78%
Sponsored: 89%
Out of stock: 5.5%
Avg brand age: 29 months
Avg seller age: 206 days

Competition & brand share

The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 rising

Sellers

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

81%

Top 20: 100%

Open market

13%

EWL Naturprodukte29%
BlueVitality25%
Kopp, Rottenburg11%
WoldoHealth10%
vitabay6%
BMUT6%
Open — no brand owns it (3 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -32.0% search growth over the last 90 days.

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 3.3×

Open Trend

Top methylenblau search terms

methylenblau115K/yr -28.3%3.2% conv.
methylene blue32K/yr -35.6%1.2% conv.
methylenblau tropfen pharmaqualität12K/yr -37.1%3.8% conv.
methylen blau6K/yr -60.8%2.9% conv.
methylenblau tropfen3K/yr -5.8%4.1% conv.
methylenblau kaufen3K/yr -49.9%0.8% conv.
supreme methylene blue5K/yr -70.5%0.0% conv.

All search terms

Top methylenblau 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

EWL Naturprodukte Methylenblau 100 ml 1% Lösung Methylenblau Tropfen Pharmaqualität methylene blu hochdosiert rein und laborgeprüft in Deutschland hergestellt

EWL Naturprodukte€9.314.6★205 rev

BlueVitality€19.214.4★849 rev

Kopp, Rottenburg€10.644.5★322 rev

Methylenblau 2% Pharma Qualität mit Pipette 100ml - formaldehydfrei alkoholfrei lichtgeschützt Laborreinheit

WoldoHealth€16.974.4★677 rev

Vitabay Methylenblau 1% Lösung 100 ml 99 8% Reinheit Methylene Blue für Labor- und Forschungszwecke Vegan & laborgeprüft

vitabay€18.784.5★613 rev

Newest

by launch date

Strong Natural Methylenblau 60 kapseln [12mg + GRATIS Premium Pillendose] + Kakao Antioxidantien Pharmazeutische Qualität - Kognitive Unterstützung & Mitochondriale Energie - Laborgeprüft

Strong Natural€25.171 rev

3mo ago

Methylenblau Kapseln 120 Stück - Unterstützung der mitochondrialen Funktion & kognitiven Leistungsfähigkeit | Zelluläre Energie & antioxidative Formel

DIKAYI€21.687 rev

5mo ago

1x 100ml Methylenblau Lösung 1% Tropfen in Braunglasflasche mit Pipette Hochreines Methylene Blue ohne Zusatzstoffe USP Pharma-Qualität aus Deutschland

BMUT€8.6317 rev

10mo ago

Methylenblau 2% Pharma Qualität mit Pipette 100ml - formaldehydfrei alkoholfrei lichtgeschützt Laborreinheit

WoldoHealth€16.97677 rev

1y ago

EWL Naturprodukte Methylenblau 100 ml 1% Lösung Methylenblau Tropfen Pharmaqualität methylene blu hochdosiert rein und laborgeprüft in Deutschland hergestellt

EWL Naturprodukte€9.31205 rev

1y ago

What buyers say about methylenblau

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

What buyers love

Qualität insgesamt40%

“die Produktqualität ist top – ein Must-Have für meine tägliche Ergänzung!”

beworben Vs Tatsächliches Produkt19%

“Alles so wie es sein soll”

Gelenkschmerzen8%

“sehr Gut, mit Cordiceps viel geholfen in Heilung meiner Neuropathie”

Vitamin6%

“Eine hervorragende Ergänzung für Gehirngesundheit”

Fokusverbesserung5%

“Verbesserte kognitive Leistungsfähigkeit – Kläreres Denken”

Anleitung/Benutzerhandbuch/Fehlerbehebung4%

“die klare Anleitung hilft, weil man bei so einem speziellen Zeug nicht einfach wild herumprobieren sollte.”

Preis-Leistungs-Verhältnis3%

“120 Stück – Tolle Preis-Leistung & Praktische Packung”

Dosierung3%

“Jede Kapsel enthält die optimale Dosierung Methylenblau”

Einfaches Kauen/Schlucken2%

“die Kapseln sind leicht zu schlucken.”

Herzgesundheit2%

“unterstützt gleichzeitig die mitochondriale Funktion – eine doppelte Wirkung für meine Gesundheit.”

What buyers complain about

Farbe100%

“Es färbt blau”

Top return reasons

Funktionalität insgesamt29%

Auslaufsicher29%

beworben Vs Tatsächliches Produkt21%

Qualität insgesamt14%

Dicke7%

Common questions

Is methylenblau profitable to sell on Amazon Germany?: The niche generates €261K/yr across 9 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -32.0%. Flapen's verdict: Skip it (47/100).
How competitive is the methylenblau niche?: 9 brands and 11 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 81% of demand.
What do buyers complain about in methylenblau?: Top complaints mined from reviews: Farbe. The return rate is 0.4%.
When does demand for methylenblau peak?: Demand peaks in Jan–Feb–Mar; the busiest month runs 3.3× the quietest.
What does it cost to enter the methylenblau niche?: Listings span €8.63–€25.17; the average listing price is €16.57 (sweet spot $15–$100). The average incumbent carries 312 reviews — the moat a new listing must climb.