Is sulforaphan profitable to sell on Amazon Germany?

The niche generates €247K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -5.9%. Flapen's verdict: Worth a look (55/100).

How competitive is the sulforaphan niche?

14 brands and 19 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in sulforaphan?

Top complaints mined from reviews: Inhaltsstoffe – insgesamt, Nebenwirkungen, Dosierung. The return rate is 0.1%.

When does demand for sulforaphan peak?

Demand peaks in Mar; the busiest month runs 1.6× the quietest.

What does it cost to enter the sulforaphan niche?

Listings span €14.78–€35.69; the average listing price is €20.80 (sweet spot $15–$100). The average incumbent carries 449 reviews — the moat a new listing must climb.

sulforaphan

Worth a look

Shows low returns (0.1%), but soft demand (-5.9% this quarter) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Price range

Great€14.78–€35.69

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

Avg price

Great€20.80

avg listing price — sweet spot $15–$100

Conversion

Great9.3%

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

Review moat

Great449.07

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay77%

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

Market size

Okay€247K

€247K/yr · 128K searches

Competition

Okay69%

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

Growth

Bad-5.9%

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

According to Flapen's Amazon Germany niche tracking, sulforaphan is a €247K/yr Amazon Germany market (128K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Mar. Verdict: Worth a look — 55/100.

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

sulforaphan market data

Units sold / yr: 10K–13K; avg 750–1,000/product
Revenue / yr: €208K–€260K; units × avg price
Conversion rate: 9.3%
Avg BSR: #365
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.5%
Avg brand age: 53 months
Avg seller age: 187 days

Competition & brand share

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

Brands

14 rising

Sellers

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

19%

GREEN NATURALS29%
plantomol17%
Bloom Naturals Beauty Supplements11%
Scheunengut11%
SMNutrition9%
Vit4ever4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -5.9% search growth over the last 90 days.

Peak months: Mar · busiest ÷ quietest = 1.6×

Open Trend

Top sulforaphan search terms

sulforaphan50K/yr +9.5%6.4% conv.
brokkoli kapseln33K/yr -25.9%10.9% conv.
sulforaphan kapseln hochdosiert11K/yr +26.6%8.2% conv.
sulphoraphan8K/yr -43.0%6.2% conv.
brokkolisprossen kapseln7K/yr -4.1%7.6% conv.
sulforaphane4K/yr +26.5%5.7% conv.
brokkoli extrakt6K/yr +2.8%5.9% conv.
broccoli kapseln5K/yr -12.9%12.9% conv.
sulforaphan kapseln3K/yr -19.1%5.9% conv.

All search terms

Top sulforaphan 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 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Green Naturals Brokkoli Kapseln - Hochdosiert: 170mg Sulforaphan & 1300mg Brokkoli Extrakt je Tagesdosis - 3 Monate Vorrat (180 Kapseln)

GREEN NATURALS€22.534.5★1,027 rev

Brokkoli Kapseln - 200x Sulforaphan Hochdosiert - 1000mg pro Tagesportion - 130mg Sulforaphan - Brokkolisprossen - Vegan und produziert in Deutschland - Verpackung kann variieren

Bloom Naturals Beauty Supplements€15.764.5★273 rev

Brokkoli Kapseln -WICHTIG: 30000mg Brokkolisprossen Hochdosiert (30:1 Extrakt) pro Dosis -50mg Sulforaphan je Kapsel mit Aktiver Myrosinase- Laborgeprüft + Vegan DE SCHEUNENGUT

Scheunengut€19.134.5★487 rev

50mg Sulforaphan-Nahrungsergänzungsmittel aus Brokkolisprossen | NRF2-Aktivierung mit Glucoraphanin Myrosinase & Antioxidantien | Unterstützung der Zellgesundheit | Brokkolisamen-Extrakt-Mikroperlen

SMNutrition€18.224.5★1,702 rev

90mg Sulforaphan! 180 Sulforaphan Kapseln hochdosiert aus Brokkoli-Extrakt - Brokkoli Kapseln hochdosiert aus Brokkoli-Sprossen - 3 Monatsvorrat

plantomol€25.024.6★374 rev

Newest

by launch date

Brokkoli Kapseln - 200x Sulforaphan Hochdosiert - 1000mg pro Tagesportion - 130mg Sulforaphan - Brokkolisprossen - Vegan und produziert in Deutschland - Verpackung kann variieren

Wehle Sports€16.9629 rev

4mo ago

Brokkoli Kapseln - 200x Sulforaphan Hochdosiert - 1000mg pro Tagesportion - 130mg Sulforaphan - Brokkolisprossen - Vegan und produziert in Deutschland - Verpackung kann variieren

Nature Flow€14.7838 rev

4mo ago

QIDOSHA Brokkoli Extrakt hochdosiert 13% Sulforaphan 180 Kapseln im Apothekerglas deutsche Fertigung jede Charge laborgeprüft

QIDOSHA€22.4637 rev

9mo ago

Liposomales Sulforaphan Hochdosiert 450mg Tagesdosis Brokkoli Kapseln aus Brokkolisprossen Extrakt Reich an Aktivem Myrosinase & Sulforaphan 5X Advanced Formula (60 Kapseln)

Lumarejebo€16.01188 rev

1y ago

vit4ever Brokkoli Extrakt - 180 Kapseln - 1300 mg pro Tagesdosis - 13% Sulforaphan - Brokkolisprossen - Hochdosiert vegan ohne unnötige Zusätze

Vit4ever€17.78409 rev

1y ago

What buyers say about sulforaphan

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

What buyers love

Qualität insgesamt20%

“Super Produkt”

Dosierung10%

“hohe Dosierung”

Preis-Leistungs-Verhältnis7%

“und preisgünstig”

Einfaches Kauen/Schlucken7%

“gut schluckbar”

Vegan/Biologisch6%

“Sie sind vegan”

Ernährungs Gehalt6%

“Ich beschäftige mich schon länger mit Supplements und Sulforaphan ist für mich ein absolutes Muss, wenn es um Entgiftung und Zellschutz geht”

Nebenwirkungen5%

“Nebenwirkungen sind derzeit nicht bekannt”

Vitamin4%

“wichtige Vitamine”

beworben Vs Tatsächliches Produkt3%

“Alles wie es sein soll”

Benutzerfreundlichkeit3%

“Sulforaphan schell und einfach”

What buyers complain about

Inhaltsstoffe – insgesamt10%

“Zutaten geändert”

Nebenwirkungen6%

“Aber alles brachte nur wenig Wirkung”

Dosierung6%

“Was ich nicht verstehe sind die Angaben "1000mg pro Tagesportion".”

Preis-Leistungs-Verhältnis6%

“Preissteigerung”

Vegan/Biologisch5%

“obwohl die Bioverfügbarkeit fraglich ist”

beworben Vs Tatsächliches Produkt4%

“zweifelhafte Angaben”

Vitamin4%

“nicht um ein Multivitamin mit anderen Komponenten”

Farbe3%

“Die Farbe ist ja nicht der Hit, K. braun anstatt grün”

Allergien3%

“Bin irritiert”

Gelenkschmerzen3%

“Bei meiner Arthrose hat der Artikel keine Wirkung gezeigt”

Common questions

Is sulforaphan profitable to sell on Amazon Germany?: The niche generates €247K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -5.9%. Flapen's verdict: Worth a look (55/100).
How competitive is the sulforaphan niche?: 14 brands and 19 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in sulforaphan?: Top complaints mined from reviews: Inhaltsstoffe – insgesamt, Nebenwirkungen, Dosierung. The return rate is 0.1%.
When does demand for sulforaphan peak?: Demand peaks in Mar; the busiest month runs 1.6× the quietest.
What does it cost to enter the sulforaphan niche?: Listings span €14.78–€35.69; the average listing price is €20.80 (sweet spot $15–$100). The average incumbent carries 449 reviews — the moat a new listing must climb.

sulforaphan

sulforaphan market data

Competition & brand share

Demand & seasonality

Top sulforaphan search terms

Top sulforaphan products on Amazon

Top sellers

Newest

Trending

What buyers say about sulforaphan

What buyers love

What buyers complain about

Common questions

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