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melatonin magnesium

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A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 43Growth 11Conversion 65Competition 0Returns 100Price range 47Avg price 76Brand share 0Review moat 57Quality gap 65

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Avg price

Great€15.38

avg listing price — sweet spot $15–$100

Conversion

Good5.8%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Good1,228.8

avg incumbent reviews — the moat a new listing must climb

Price range

Okay€3.06–€25.80

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

Market size

Okay€225K

€225K/yr · 254K searches

Growth

Bad-27.3%

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

30

Top-5 brand share

100%

Open market

0%

  • Baldriparan86%
  • Schaebens6%
  • SUNDAY NATURAL4%
  • tetesept4%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%€34K30%€67K45%€101K60%€135K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 10 weeks — -27.3% search growth over the last 90 days.
5K4KMay '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

Reviews

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

What buyers love

Magnesium25%

“Bestes Magnesium ever”

Qualität insgesamt21%

“Super Produkt”

Schlafqualität15%

“Natürliche Schlaftabletten”

Preis-Leistungs-Verhältnis5%

“Top Preis/Leistung”

Effizienz4%

“hilft”

Linderung von Muskelschmerzen3%

“Magnesium belegt in klinischen Studien am Menschen eindeutig, dass es für eine normale Muskel- und Nervenfunktion wichtig ist”

beworben Vs Tatsächliches Produkt3%

“Alles bestens wie beschrieben”

Einfaches Kauen/Schlucken2%

“Gut zum schlucken”

Gesamtgröße2%

“Bis jetzt super, fühle mich fitter”

Haltbarkeit1%

“Gut verträglich”

What buyers complain about

Magnesium17%

“Magnesium halt”

Funktionalität insgesamt12%

“Wirkt überhaupt nicht”

Schlafqualität9%

“Ich nehme gelegentlich Melatonin Produkte, weil ich manchmal Probleme beim einschlafen habe”

Dosierung7%

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

Säureregulator/Linderung von Magenschmerzen5%

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

Benutzerfreundlichkeit3%

“Unbrauchbar”

beworben Vs Tatsächliches Produkt3%

“Irreführend”

Nebenwirkungen3%

“Nebenwirkungen”

Reguliert die Verdauung3%

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

Gesamtgröße2%

“Die Tabletten selbst sind klein”