44
magnesium supplements
Skip itPrices mostly outside the sweet spot ($3.44–$9.37) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Market size
Incredible£4.8M£4.8M/yr · 4.6M searches
Conversion
Incredible14.8%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad9,415.86avg incumbent reviews — the moat a new listing must climb
Avg price
Bad£6.94avg listing price — sweet spot $15–$100
Brand share
Bad93%top-5 brand share — brand-locked demand
Growth
Bad-28.8%90-day search growth — must beat 0% to launch
Competition
Bad93%top-5 click share — a locked-up shelf
Price range
Bad£3.44–£9.37cheapest to priciest tracked listing — scored on the share inside $15–$100