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arginine lysine proline supplement
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$19.64avg listing price — sweet spot $15–$100
Price range
Great$9.30–$44.69cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,413.09avg incumbent reviews — the moat a new listing must climb
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Competition
Bad74%top-5 click share — a locked-up shelf
Market size
Bad$0$0/yr · 5K searches
Growth
Bad-53.6%90-day search growth — must beat 0% to launch
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale