40
riboflavin 400mg
Skip itPrices mostly outside the sweet spot ($4.63–$15.81) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible15.9%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Okay2,266.75avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£10.66avg listing price — sweet spot $15–$100
Brand share
Bad90%top-5 brand share — brand-locked demand
Market size
Bad£76K£76K/yr · 45K searches
Growth
Bad-14.9%90-day search growth — must beat 0% to launch
Competition
Bad90%top-5 click share — a locked-up shelf
Price range
Bad£4.63–£15.81cheapest to priciest tracked listing — scored on the share inside $15–$100