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magnesium sport

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Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Market size 13Growth 34Conversion 90Competition 19Returns 100Price range 33Avg price 65Brand share 4Review moat 52Quality gap 22

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Conversion

Great10.8%

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

Avg price

Good€13.85

avg listing price — sweet spot $15–$100

Review moat

Good1,423

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+7.6%

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

Price range

Okay€2.33–€21.36

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad77%

top-5 click share — a locked-up shelf

Market size

Bad€51K

€51K/yr · 34K searches

Brand share

Bad98%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 flat

Sellers

34

Top-5 brand share

98%

Open market

0%

  • Dr Böhm62%
  • Doppelherz22%
  • ESN6%
  • natural elements4%
  • SUNDAY NATURAL4%
  • Verla2%
  • Open — no brand owns it (0%)

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%10%€5K20%€10K30%€15K40%€20K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Demand

Weekly Amazon search volume, last 51 weeks — +7.6% search growth over the last 90 days.
800600Black Friday '25Spike '26Jul '25Sep '25Nov '25Jan '26Mar '26Apr '26

Reviews

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

What buyers love

Magnesium27%

“Bestes Magnesium ever”

Qualität insgesamt24%

“Super Produkt”

Preis-Leistungs-Verhältnis6%

“Preis Leistung super”

Schlafqualität5%

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

beworben Vs Tatsächliches Produkt5%

“Hält 100% was es verspricht”

Linderung von Muskelschmerzen4%

“Sehr gut verträglich, hochwertige Inhaltsstoffe und spürbar positive Wirkung auf Muskeln und Regeneration”

Dosierung2%

“Hoch dosiert”

Effizienz2%

“Wirkt”

Vitamin2%

“Bin sehr zufrieden, super Supplements”

Gesamtgröße2%

“Passt”

What buyers complain about

Magnesium19%

“Magnesium halt”

Dosierung7%

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

Säureregulator/Linderung von Magenschmerzen5%

“Durchfall”

Reguliert die Verdauung4%

“Darmprobleme”

Nebenwirkungen4%

“Nebenwirkungen”

Funktionalität insgesamt4%

“Wirkt bei mir nicht”

Preis-Leistungs-Verhältnis4%

“Expensive”

Gesamtgröße4%

“Sind groß”

Linderung von Muskelschmerzen3%

“Krämpfe im Beinen sind immer vorhanden”

beworben Vs Tatsächliches Produkt3%

“Irreführend”

Top return reasons

Preis-Leistungs-Verhältnis50%
Magnesium50%