Is keto diet profitable to sell on Amazon Germany?

The niche generates €35K/yr across 13 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -42.5%. Flapen's verdict: Skip it (44/100).

How competitive is the keto diet niche?

9 brands and 13 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 90% of demand.

What do buyers complain about in keto diet?

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

When does demand for keto diet peak?

Demand peaks in Feb–Mar–Jul; the busiest month runs 2.5× the quietest.

What does it cost to enter the keto diet niche?

Listings span €10.34–€41.69; the average listing price is €22.97 (sweet spot $15–$100). The average incumbent carries 1,627 reviews — the moat a new listing must climb.

keto diet

Skip it

Soft demand (-42.5% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Avg price

Incredible€22.97

avg listing price — sweet spot $15–$100

Price range

Great€10.34–€41.69

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

Conversion

Good4.6%

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

Review moat

Okay1,627.46

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay90%

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

Competition

Bad78%

top-5 click share — a locked-up shelf

Market size

Bad€35K

€35K/yr · 33K searches

Growth

Bad-42.5%

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

Signals Low Review Barrier Quality Gap

According to Flapen's Amazon Germany niche tracking, keto diet is a €35K/yr Amazon Germany market (33K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Feb–Mar–Jul. Verdict: Skip it — 44/100.

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

keto diet market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: €17K–€23K; units × avg price
Conversion rate: 4.6%
Avg BSR: #140
Page quality: 0%
Prime: 85%
Sponsored: 54%
Out of stock: 3.3%
Avg brand age: 41 months
Avg seller age: 181 days

Competition & brand share

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

Brands

9 flat

Sellers

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

MayProducts40%
Saint Nutrition17%
Enolenia15%
Keto Burn12%
Nutravita6%
BRNR3%
Open — no brand owns it (3 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -42.5% search growth over the last 90 days.

Peak months: Feb, Mar, Jul · busiest ÷ quietest = 2.5×

Open Trend

Top keto diet search terms

ketoform pro original16K/yr -51.9%1.5% conv.
keto burn3K/yr +4.4%3.9% conv.
keto kapseln3K/yr +8.7%2.3% conv.
keto diet3K/yr -54.2%0.8% conv.
keto kapseln zum abnehmen2K/yr -18.4%1.9% conv.
keto burn kapseln2K/yr -59.2%3.1% conv.
keto diet kapseln original3K/yr -70.5%1.1% conv.
ketoform pro kapseln original816/yr -72.2%0.0% conv.
keto-kapseln118/yr -53.3%0.0% conv.
keto plus diät kapseln198/yr -88.2%0.0% conv.

All search terms

Top keto diet 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 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Ketoform Pro Kapseln | Mit wertvollen Inhaltsstoffen | Premium Qualität | Inhalt 90 Kapseln

MayProducts€34.953.9★4 rev

NEU: Enolenia KETO NIGHT BURN Stoffwechsel extrem - schnell & endlich Kapseln mit hochwertige natürliche Inhaltsstoffe für Frauen + Männer für die Nacht

Enolenia€18.483.5★3,042 rev

KETO BURN DIET Das Original Stoffwechsel Kapseln Hochdosiert mit Glucomannan Unterstützung beim Abnehmen - Nahrungsergänzung für Frauen und Männer schnell & endlich - 60 Premium Kapseln

Keto Burn€19.735.0★2 rev

KETO BURN* Appetitzügler* Kapseln Abnehmen* & Stoffwechsel** EXTREM hochdosiert mit Glucomannan Cholin Vitamin B1 + B6 für Frauen & Männer Nahrungsergänzung schnell & stark 21 Tage Kur

Saint Nutrition€18.533.7★775 rev

Keto Komplex Max - Geeignet zur Keto-Diät - 120 Kapseln - Mit MCT-Öl Grünen Tee wichtigen Vitaminen & Mineralien zur Unterstützung ihrer Keto-Diät

Nutravita€17.753.9★3,180 rev

Newest

by launch date

DocVital Stoffwechsel Komplex Diät Unterstützung 120 vegane Kapseln mit Glucomannan Grüntee Extrakt (200 mg EGCG) L-Carnitin & Guarana Stoffwechsel Booster

DocVital€26.8578 rev

3mo ago

Ketoform Pro Kapseln | Mit wertvollen Inhaltsstoffen | Premium Qualität | Inhalt 90 Kapseln

MayProducts€34.954 rev

7mo ago

KETO BURN DIET Das Original Stoffwechsel Kapseln Hochdosiert mit Glucomannan Unterstützung beim Abnehmen - Nahrungsergänzung für Frauen und Männer schnell & endlich - 60 Premium Kapseln

Keto Burn€19.732 rev

8mo ago

Keto Diet | mit natürlichen und hochwertigen Inhaltsstoffen | 90 Kapseln Inhalt pro Dose

MayProducts€39.906 rev

9mo ago

BRNR EASY BRNR Leichte Formel 5in1 Stoffwechsel-Kur mit Cholin Blutzuckerspiegel-Rezeptur mit Chrom Ballaststoff Glucomannan Grüntee Extrakt 120 Kapseln

BRNR€24.602,079 rev

2y ago

What buyers say about keto diet

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

What buyers love

Qualität insgesamt13%

“Top Produkt”

Gewichtsverlust7%

“Habe in 3 Wochen ca.4,5 Kilo abgenommen”

beworben Vs Tatsächliches Produkt6%

“Das Produkt mach was es soll”

Energieniveau6%

“Sie geben mir einen sanften Energieschub”

Preis-Leistungs-Verhältnis6%

“Gutes Produkt zum fairen Preis”

Ernährungs Gehalt6%

“All-in-One-Wellness in einer Kapsel”

Reguliert die Verdauung5%

“Gutes für den Stoffwechsel”

Einfaches Kauen/Schlucken4%

“Sind gut zu schlucken”

Benutzerfreundlichkeit4%

“Easy BRNR”

Dosierung4%

“ok für eine 60-Tage-Ration”

What buyers complain about

Funktionalität insgesamt21%

“Bislang noch kein Erfolg”

Nebenwirkungen8%

“Nebenwirkungen”

Dosierung6%

“Zu niedrig dosiert”

Preis-Leistungs-Verhältnis6%

“Geld Verschwendung”

Geruch5%

“Tabletten stinken”

Gewichtsverlust4%

“Bringt gar nichts also ich esse weniger allgemein da ich echt gerne abnehmen möchte”

Gesamtgröße4%

“Die Kapseln sind nicht so groß”

Reguliert die Verdauung3%

“Sodbrennen”

Allergien3%

“Immer wieder Sodbrennen und leichte Übelkeit”

Geschmack insgesamt3%

“schmecken muffig”

Common questions

Is keto diet profitable to sell on Amazon Germany?: The niche generates €35K/yr across 13 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -42.5%. Flapen's verdict: Skip it (44/100).
How competitive is the keto diet niche?: 9 brands and 13 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 90% of demand.
What do buyers complain about in keto diet?: Top complaints mined from reviews: Funktionalität insgesamt, Nebenwirkungen, Dosierung. The return rate is 0.1%.
When does demand for keto diet peak?: Demand peaks in Feb–Mar–Jul; the busiest month runs 2.5× the quietest.
What does it cost to enter the keto diet niche?: Listings span €10.34–€41.69; the average listing price is €22.97 (sweet spot $15–$100). The average incumbent carries 1,627 reviews — the moat a new listing must climb.