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42

magnesium glycinate powder

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Prices mostly outside the sweet spot ($3.44–$15.37) — this niche doesn't clear our bar today.

Market size 32Growth 4Conversion 89Competition 24Returns 100Price range 3Avg price 23Brand share 55Review moat 25Quality gap 57

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great10.4%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Good72%

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

Market size

Okay£152K

£152K/yr · 176K searches

Review moat

Bad4,634.79

avg incumbent reviews — the moat a new listing must climb

Competition

Bad71%

top-5 click share — a locked-up shelf

Avg price

Bad£8.31

avg listing price — sweet spot $15–$100

Growth

Bad-41.5%

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

Price range

Bad£3.44–£15.37

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