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Magnesium 400

soft demand (-15.8% this quarter) — Magnesium 400 doesn't clear our bar today.

Flapen Score

48
Skip it

Ranks 1,556 of 2,966 Drogerie & Körperpflege niches · −1 vs the category median of 49

Market size 19Growth 17Conversion 84Competition 48Returns 100Price range 73Avg price 63Brand share 42Review moat 55Quality gap 35
This niche Category average · 2,966 niches

Is Magnesium 400 profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Magnesium 400 is a €76K/yr Amazon Germany market (60K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 48/100.

Magnesium 400: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -15.8% over the last 90 days and 9.3% of searches end in a purchase.

€76K

revenue / yr

Units sold / yr8K
Search volume / yr-15.8%60K
Conversion rate9.3%
Avg price€13.53

Who owns the niche?

The top 5 brands hold 80% of demand, so 20% of the market is open.

20%

open market share

Brands · sellers14 · 37
Top-5 product click share56%
Open market20%
Avg brand age64 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 23 products

Sponsored placement87%
New entrants (1y)2· 2 succeeded
Avg rating4.5★
Avg reviews1,299

Top Magnesium 400 products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

€0€4K€8K€11K€15K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

14 falling

Sellers

37

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

56%

Top 20: 97%

Open market

17%

  • Doppelherz51%
  • Vegavero17%
  • SUNDAY NATURAL4%
  • Vitamintrend4%
  • +LIFE4%
  • natural elements3%
  • Open — no brand owns it (8 brands, 17%)

Magnesium 400 demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume60KCVR9.3%Products23Brands14Top 5 Brands80%OOS Rate0.0%Rating4.5★Reviews1,299Avg BSR#198
2K1KBlack Friday '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top Magnesium 400 search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • magnesium kalium33K/yr
  • kalium magnesium15K/yr
  • magnesium und kalium6K/yr
  • magnesium mit kalium3K/yr
  • doppelherz magnesium kalium3K/yr

What reviews say buyers love and hate about Magnesium 400

What buyers mention most, as a share of all reviews.

What buyers love

77% of reviews
Magnesium25%

Bestes Magnesium ever

Qualität insgesamt24%

Super Produkt

Preis-Leistungs-Verhältnis6%

Top Preis/Leistung

Schlafqualität5%

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

beworben Vs Tatsächliches Produkt5%

Produkt wie vom Verkäufer beschrieben

What buyers complain about

56% of reviews
Magnesium18%

Magnesium halt

Dosierung6%

Scheinbar hoher Anteil an (billigem) MG Oxid.

Säureregulator/Linderung von Magenschmerzen5%

Durchfall

Gesamtgröße4%

Sind riesig

Funktionalität insgesamt4%

Wirkung fraglich

Magnesium 400 return rate & reasons

Why buyers send it back, as a share of all return requests.

0.0%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Magnesium
100%

Common Magnesium 400 questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Magnesium 400 48/100 on Amazon Germany — Skip it. The niche generates €76K/yr across 23 tracked products. 2 of 2 products launched in the last 360 days are still selling. Search demand moved -15.8% over the last 90 days.
Search demand for Magnesium 400 on Amazon Germany is steady year-round — the busiest month runs 1.3× the quietest.