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vitamin k
Skip itPrices mostly outside the sweet spot ($1.93–$15.74) — 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
Market size
Good£454K£454K/yr · 407K searches
Brand share
Good71%top-5 brand share — brands hold most of the demand
Review moat
Okay2,261.12avg incumbent reviews — the moat a new listing must climb
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Avg price
Okay£9.23avg listing price — sweet spot $15–$100
Growth
Bad-29.7%90-day search growth — must beat 0% to launch
Price range
Bad£1.93–£15.74cheapest to priciest tracked listing — scored on the share inside $15–$100