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glucomannan powder
Skip itA concentrated shelf (top 5 take 84% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Price range
Great$14.04–$29.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$20.38avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Conversion
Good5.6%search→purchase rate — share of searches ending in a sale
Review moat
Good1,233.55avg incumbent reviews — the moat a new listing must climb
Market size
Okay$105K$105K/yr · 91K searches
Growth
Bad-5.8%90-day search growth — must beat 0% to launch
Brand share
Bad91%top-5 brand share — brand-locked demand
Competition
Bad84%top-5 click share — a locked-up shelf