stool hardener
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 6% kills the launch gate
Conversion
Incredible16.5%search→purchase rate — share of searches ending in a sale
Market size
Incredible$2.3M$2.3M/yr · 1.5M searches
Growth
Okay+4.9%90-day search growth — must beat 0% to launch
Avg price
Okay$9.50avg listing price — sweet spot $15–$100
Review moat
Bad12,274.63avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad91%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad$3.58–$13.56cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
68
Top-5 brand share
100%
Open market
0%
- Amazon Basic Care74%
- Imodium20%
- Kaopectate6%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Amazon Basic Care Loperamide Hydrochloride Tablets 2 mg Anti-Diarrheal 24 Count (Pack of 1)
Amazon Basic Care$3.584.7★23,540 rev
Amazon Basic Care Loperamide Hcl 2 Mg Softgels Anti-Diarrheal Easy to Swallow Controls Symptoms of Travelers Diarrhea 24 Count
Amazon Basic Care$7.574.7★6,748 rev
Imodium A-D Diarrhea Relief Caplets with Loperamide HCl Anti Diarrheal Medicine to Help Control Symptoms of Diarrhea Due to Acute Travelers Diarrhea 24 Count
Imodium$10.844.8★20,963 rev
Imodium A-D Anti-Diarrheal Softgels with 2mg Loperamide Hydrochloride for Fast Acting Diarrhea Symptom Relief On the Go in Travel Size Softgels for Adults 12+ 24 Ct
Imodium$13.054.8★16,431 rev
Amazon Basic Care Loperamide Hydrochloride 2 mg and Simethicone 125 mg Tablets Multi-Symptom Relief Anti-Diarrheal Bloating and Cramps Gas Relief 24 Count
Amazon Basic Care$8.364.6★4,096 rev
Newest
by launch date
Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 84 Caplets Anti Diarrhea Caplets
Kaopectate$12.444,883 rev
Amazon Basic Care Loperamide Hcl 2 Mg Softgels Anti-Diarrheal Easy to Swallow Controls Symptoms of Travelers Diarrhea 24 Count
Amazon Basic Care$7.576,748 rev
Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 42 Caplets Anti Diarrhea Caplets
Kaopectate$6.564,883 rev
Amazon Basic Care Loperamide Hydrochloride 2 mg and Simethicone 125 mg Tablets Multi-Symptom Relief Anti-Diarrheal Bloating and Cramps Gas Relief 24 Count
Amazon Basic Care$8.364,096 rev
Amazon Basic Care Loperamide Hydrochloride Tablets 2 mg Anti-Diarrheal 24 Count (Pack of 1)
Amazon Basic Care$3.5823,540 rev
Trending
90-day click momentumKaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 84 Caplets Anti Diarrhea Caplets
Kaopectate$12.444.7★
Imodium Multi-Symptom Anti-Diarrheal Caplets with 2mg Loperamide Hydrochloride and Simethicone for Fast Acting Relief of Diarrhea Gas Cramps Bloating in Travel Size Caplets 24 Ct
Imodium$13.564.8★
Imodium A-D Diarrhea Relief Caplets with Loperamide HCl Anti Diarrheal Medicine to Help Control Symptoms of Diarrhea Due to Acute Travelers Diarrhea 24 Count
Imodium$10.844.8★
Imodium A-D Anti-Diarrheal Softgels with 2mg Loperamide Hydrochloride for Fast Acting Diarrhea Symptom Relief On the Go in Travel Size Softgels for Adults 12+ 24 Ct
Imodium$13.054.8★
Amazon Basic Care Loperamide Hydrochloride Tablets 2 mg Anti-Diarrheal 24 Count (Pack of 1)
Amazon Basic Care$3.584.7★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +4.9% search growth over the last 90 days.Peak months: May, Jun · busiest ÷ quietest = 2.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Works perfectly”
“As advertised”
“not expensive”
“As good as the brand name”
“Great for stomach discomfort”
“Easier to open”
“Imodium works very well”
“Good for stomach problems”
“Dosage and Effectiveness”
“I never have issues swallowing pills so it's easy for me”
What buyers complain about
“Hard to Open”
“Product not uszble”
“keopectate has a salicylate ingredient that I did not know it had”
“Hard to take out pills”
“Over priced”
“BUT it may react with other medications taken in the same time period in a negative way”
“I found no taste”
“the tablet is much larger”
“though it does turn something a dark color”
“Cheaper”