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magnesium glycinate
Skip itPrices mostly outside the sweet spot ($3.44–$8.12) — this niche doesn't clear our bar today.
Market size
Incredible£8.8M£8.8M/yr · 8.5M searches
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible14.6%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad9,561.33avg incumbent reviews — the moat a new listing must climb
Avg price
Bad£7.12avg listing price — sweet spot $15–$100
Growth
Bad-17.8%90-day search growth — must beat 0% to launch
Brand share
Bad95%top-5 brand share — brand-locked demand
Competition
Bad95%top-5 click share — a locked-up shelf
Price range
Bad£3.44–£8.12cheapest to priciest tracked listing — scored on the share inside $15–$100