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calcium and vitamin d tablets
Skip itSoft demand (-20.9% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible12.1%search→purchase rate — share of searches ending in a sale
Brand share
Good67%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,448.8avg incumbent reviews — the moat a new listing must climb
Market size
Okay£155K£155K/yr · 134K searches
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Avg price
Okay£9.54avg listing price — sweet spot $15–$100
Price range
Bad£2.50–£17.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-20.9%90-day search growth — must beat 0% to launch