57
serotonin supplement
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$31.88avg listing price — sweet spot $15–$100
Price range
Great$9.96–$67.15cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good61%top-5 brand share — brands hold most of the demand
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good4.9%search→purchase rate — share of searches ending in a sale
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Market size
Okay$217K$217K/yr · 139K searches
Review moat
Okay2,544avg incumbent reviews — the moat a new listing must climb
Growth
Bad-12.3%90-day search growth — must beat 0% to launch