Is magnesiumoxid profitable to sell on Amazon Germany?

The niche generates €66K/yr across 12 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -26.8%. Flapen's verdict: Skip it (42/100).

How competitive is the magnesiumoxid niche?

10 brands and 9 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in magnesiumoxid?

Top complaints mined from reviews: Magnesium, Säureregulator/Linderung von Magenschmerzen, Dosierung. The return rate is 0.1%.

When does demand for magnesiumoxid peak?

Demand peaks in Oct–Nov; the busiest month runs 2.0× the quietest.

What does it cost to enter the magnesiumoxid niche?

Listings span €10.10–€23.62; the average listing price is €14.88 (sweet spot $15–$100). The average incumbent carries 2,781 reviews — the moat a new listing must climb.

magnesiumoxid

Skip it

Soft demand (-26.8% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible12.2%

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

Avg price

Good€14.88

avg listing price — sweet spot $15–$100

Price range

Good€10.10–€23.62

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

Review moat

Okay2,781.42

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay84%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Bad76%

top-5 click share — a locked-up shelf

Market size

Bad€66K

€66K/yr · 36K searches

Growth

Bad-26.8%

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

According to Flapen's Amazon Germany niche tracking, magnesiumoxid is a €66K/yr Amazon Germany market (36K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 42/100.

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

magnesiumoxid market data

Units sold / yr: 3K–4K; avg 250–500/product
Revenue / yr: €45K–€60K; units × avg price
Conversion rate: 12.2%
Avg BSR: #250
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.8%
Avg brand age: 51 months
Avg seller age: 188 days

Competition & brand share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 rising

Sellers

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

12%

natural elements34%
ProFuel23%
Nature Love11%
SUNDAY NATURAL10%
Vit4ever6%
Bloom Naturals Beauty Supplements4%
Open — no brand owns it (4 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 75 weeks — -26.8% search growth over the last 90 days.

Peak months: Oct, Nov · busiest ÷ quietest = 2.0×

Open Trend

Top magnesiumoxid search terms

magnesiumoxid17K/yr -40.0%8.4% conv.
magnesium oxid14K/yr -16.0%12.2% conv.
magnesiumoxid kapseln3K/yr -21.8%11.9% conv.
magnesium oxid 365 kapseln3K/yr +25.0%20.6% conv.

All search terms

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

Top sellers

by 90-day click share

natural elements Magnesium - 365 Kapseln (Jahresvorrat) - 667mg davon 400mg elementares Magnesium pro Kapsel - Laborgeprüft hochdosiert vegan

natural elements€22.984.7★12,619 rev

Magnesium Kapseln 365x (1 Jahr) - 668 mg Mag.-Oxid davon 400 mg elementares Magnesium pro Kapsel - sehr hoher Mag.-Gehalt (60%) - optimal hochdosiert - Laborgeprüft mit Zertifikat - 100% vegan

ProFuel€13.164.6★2,800 rev

NATURE LOVE Magnesiumoxid - 365 Kapseln 660mg (davon 400mg elementares Magnesium) pro Kapsel laborgeprüft hochdosiert vegan in Deutschland produziert

Nature Love€23.624.7★2,002 rev

Magnesium hochdosiert - 365 Kapseln (Jahresvorrat) - 667 mg davon 400 mg reines Magnesium pro Tagesdosis aus Magnesiumoxid - ohne unnötige Zusätze

Vit4ever€15.144.6★672 rev

SUNDAY NATURAL Magnesium hochdosiert Kapseln - 365 Stück - 673mg je Kapsel davon 400mg reines Magnesium - Höherer Gehalt als andere Magnesiumformen - Laborgeprüft in Deutschland & Vegan

SUNDAY NATURAL€16.684.5★211 rev

Newest

by launch date

SUNDAY NATURAL Magnesium Komplex 240 Kapseln - 400mg pro Tag - aus 7 Verbindungen: Magnesium Bisglycinat Citrat Malat Laktat Ascorbat Oxid Lysinat - Vegan laborgeprüft

SUNDAY NATURAL€16.031,754 rev

8mo ago

SUNDAY NATURAL Magnesium hochdosiert Kapseln - 365 Stück - 673mg je Kapsel davon 400mg reines Magnesium - Höherer Gehalt als andere Magnesiumformen - Laborgeprüft in Deutschland & Vegan

SUNDAY NATURAL€16.68211 rev

10mo ago

Magnesium 400mg Kleine Kapseln (1 Jahr / 107% NRV) Magnesiumoxid 666mg davon 400mg Elementares - Magnesium Hochdosiert Kapseln - Tagesbedarf in 1 Kapsel (Jahresvorrat)

Ottimal€11.35118 rev

11mo ago

Magnesium hochdosiert - 365 Kapseln (Jahresvorrat) - 667 mg davon 400 mg reines Magnesium pro Tagesdosis aus Magnesiumoxid - ohne unnötige Zusätze

Vit4ever€15.14672 rev

1y ago

Magnesium 669mg Kapseln Hochdosiert - 400 Kapseln - davon 400 mg Magnesiumoxid pro Kapsel vegan & produziert in Deutschland Laborgeprüft - Verpackung kann variieren

Bloom Naturals Beauty Supplements€13.26142 rev

1y ago

What buyers say about magnesiumoxid

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

What buyers love

Magnesium30%

“Bestes Magnesium ever”

Qualität insgesamt22%

“Super Produkt”

Preis-Leistungs-Verhältnis9%

“Super Produkt für kleinen Preis”

Schlafqualität5%

“und bin überrascht dass ich nun wieder besser Schlafen kann ohne Melatonin einnehmen zu müssen.”

beworben Vs Tatsächliches Produkt5%

“Alles bestens,genau wie beschrieben”

Linderung von Muskelschmerzen3%

“Muskelentspannung”

Dosierung3%

“Hoch dosiert”

Gesamtgröße2%

“Passt”

Vitamin2%

“Vitamine”

Einfaches Kauen/Schlucken2%

“Gut zum schlucken”

What buyers complain about

Magnesium23%

“Magnesium satt”

Säureregulator/Linderung von Magenschmerzen7%

“An Menschen die einen schlechten Magen haben, hier ist Oxid enthalten was große Probleme machen kann”

Dosierung6%

“Scheinbar hoher Anteil an (billigem) MG Oxid.”

Reguliert die Verdauung5%

“Ich hab davon Übelkeit bekommen, Bauchschmerzen, Bauchkrämpfe, mir ging’s richtig schlecht.”

Qualität insgesamt4%

“Oxid ist die billigste Version”

Funktionalität insgesamt4%

“Wirkt bei mir nicht”

Gesamtgröße4%

“Sind groß”

beworben Vs Tatsächliches Produkt4%

“Irreführend”

Benutzerfreundlichkeit4%

“Unbrauchbar”

Nebenwirkungen3%

“noch nie negative Nebenwirkungen gehabt.”

Common questions

Is magnesiumoxid profitable to sell on Amazon Germany?: The niche generates €66K/yr across 12 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -26.8%. Flapen's verdict: Skip it (42/100).
How competitive is the magnesiumoxid niche?: 10 brands and 9 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in magnesiumoxid?: Top complaints mined from reviews: Magnesium, Säureregulator/Linderung von Magenschmerzen, Dosierung. The return rate is 0.1%.
When does demand for magnesiumoxid peak?: Demand peaks in Oct–Nov; the busiest month runs 2.0× the quietest.
What does it cost to enter the magnesiumoxid niche?: Listings span €10.10–€23.62; the average listing price is €14.88 (sweet spot $15–$100). The average incumbent carries 2,781 reviews — the moat a new listing must climb.