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glycine powder
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible20.4%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Review moat
Good696.5avg incumbent reviews — the moat a new listing must climb
Market size
Okay£122K£122K/yr · 64K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Avg price
Okay£9.32avg listing price — sweet spot $15–$100
Price range
Bad£3.97–£18.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-28.1%90-day search growth — must beat 0% to launch
Competition
Bad92%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand