46
Nattokinase Powder
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$31.49avg listing price — sweet spot $15–$100
Price range
Incredible$17.45–$54.74cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great213avg incumbent reviews — the moat a new listing must climb
Conversion
Great7.7%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Market size
Bad$95K$95K/yr · 39K searches
Growth
Bad-14.9%90-day search growth — must beat 0% to launch
Competition
Bad93%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals Low Review Barrier