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Zma

Zma shows low returns (0.1%), but soft demand (-17.9% this quarter) keeps it on the watch list.

Flapen Score

51
Worth a look

Top 39% of 2,966 Drogerie & Körperpflege niches · +2 vs the category median of 49

Market size 23Growth 16Conversion 81Competition 38Returns 100Price range 70Avg price 83Brand share 67Review moat 49Quality gap 47
This niche Category average · 2,966 niches

Is Zma profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Zma is a €93K/yr Amazon Germany market (61K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Mar. Verdict: Worth a look — 51/100.

Zma: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -17.9% over the last 90 days and 8.5% of searches end in a purchase.

€93K

revenue / yr

Units sold / yr6K
Search volume / yr-17.9%61K
Conversion rate8.5%
Avg price€18.04

Who owns the niche?

The top 5 brands hold 65% of demand, so 35% of the market is open.

35%

open market share

Brands · sellers16 · 30
Top-5 product click share62%
Open market35%
Avg brand age63 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 · 20 products

Sponsored placement85%
New entrants (1y)1· 1 succeeded
Avg rating4.5★
Avg reviews1,581

Top Zma 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 62% of clicks — established leaders, but buyers still shop beyond them.

€0€9K€19K€28K€37K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

16 rising

Sellers

30

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

28%

  • EXVital23%
  • Yamamoto Nutrition16%
  • WeightWorld11%
  • Zec+8%
  • OLIMP SPORT NUTRITION8%
  • Iron Labs Nutrition7%

Zma demand & seasonality

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

Volume61KCVR8.5%Products20Brands16Top 5 Brands65%OOS Rate3.7%Rating4.5★Reviews1,581Avg BSR#449
3K2KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar · busiest ÷ quietest = 1.7×

Top Zma search terms shoppers use

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

  • zma43K/yr
  • zma kapseln14K/yr
  • zma kapseln hochdosiert5K/yr

What reviews say buyers love and hate about Zma

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

What buyers love

78% of reviews
Magnesium25%

Bestes Magnesium ever

Qualität insgesamt24%

Super Produkt

Preis-Leistungs-Verhältnis7%

Preis Leistung super

Schlafqualität5%

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

beworben Vs Tatsächliches Produkt4%

Hält 100% was es verspricht

What buyers complain about

56% of reviews
Magnesium15%

Magnesium halt

Säureregulator/Linderung von Magenschmerzen6%

Durchfall

Dosierung6%

Scheinbar hoher Anteil an (billigem) MG Oxid.

Einfaches Kauen/Schlucken5%

Nicht gut zum schlucken

Preis-Leistungs-Verhältnis5%

Expensive

Common Zma questions

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

Flapen scores Zma 51/100 on Amazon Germany — Worth a look. The niche generates €93K/yr across 20 tracked products. 1 of 1 products launched in the last 360 days are still selling. Search demand moved -17.9% over the last 90 days.
Search demand for Zma on Amazon Germany peaks in Mar, where the busiest month runs 1.7× the quietest.