Stool Hardener
FailThe top 5 brands take 100% of clicks, so Stool Hardener is a Fail.
- Flapen Score
- 44 / 100Ranks 10,233 of 14,768 Health & Household niches · −5 vs the category median of 4944
- Market size
- $2.3M/yr1.5M searches / yr
- 90-day growth
- +4.9%search demand this quarter
- Competition
- 91%top-5 click share · 3 brands · 68 sellers
Flapen Score
Stool Hardener against its category
The dotted line is the Health & Household average. Past it, Stool Hardener is stronger. Inside it, weaker.
Market
The Stool Hardener market on Amazon at a glance
Shoppers on Amazon United States searched for Stool Hardener 1.5M times last year and spent an estimated $2.3M. All 3 brands take every click. Demand peaks in May–Jun. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 16.5% of those searches ended in a purchase.
Shoppers searched for this 1.5M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 16.5% of those searches ended in a purchase. Searches in the last 90 days moved +4.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $2.3M a year.
- Searches, last 12 months
- 1.5M
- Growth, 90 days vs prior 90
- +4.9%
- Conversion, latest week
- 16.5%
- Market size, estimated
- $2.3Ma year
- Peak month
- June2.3× the quietest month
- Top search term
- anti diarrhea pills574K searches a year
02 · Price
A sale here is worth $9.50.
Listings sell for $9.50 on average, from $3.58 to $13.56. Amazon reports units sold in ranges. This niche sold 300K to 400K a year. The average listing sells 50,000 to 60,000 of them. At $9.50 that is $475K to $570K a year per listing.
- Average price
- $9.50under the $15 to $100 sweet spot
- Price range
- $3.58–$13.56
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 300K–400K
- Units per listing a year
- 50,000–60,000
- Revenue per listing a year
- $475K–$570K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #36 within Digestion & Nausea. It carries 12,275 reviews at 4.73 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #36in Digestion & Nausea
- Average rating
- 4.73 starsAmazon United States average 4.42 stars
- Average reviews
- 12,275per listing
- Listings tracked
- 8
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 76 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 76 months
Products
Top Stool Hardener products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Amazon Basic Care Loperamide Hydrochloride Tablets 2 mg Anti-Diarrheal 24 Count (Pack of 1)
- Price
- $3.58
- Rating
- 4.7/5
- Reviews
- 23,540
- Age
- 6y ago

Amazon Basic Care Loperamide Hcl 2 Mg Softgels Anti-Diarrheal Easy to Swallow Controls Symptoms of Travelers Diarrhea 24 Count
- Price
- $7.57
- Rating
- 4.7/5
- Reviews
- 6,748
- Age
- 2y ago

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
- Price
- $10.84
- Rating
- 4.8/5
- Reviews
- 20,963
- Age
- 10y ago

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
- Price
- $13.05
- Rating
- 4.8/5
- Reviews
- 16,431
- Age
- 10y ago

Amazon Basic Care Loperamide Hydrochloride 2 mg and Simethicone 125 mg Tablets Multi-Symptom Relief Anti-Diarrheal Bloating and Cramps Gas Relief 24 Count
- Price
- $8.36
- Rating
- 4.6/5
- Reviews
- 4,096
- Age
- 6y ago
Trending
estimated 90-day click momentum
Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 84 Caplets Anti Diarrhea Caplets
- Price
- $12.44
- Rating
- 4.7/5
- Reviews
- 4,883
- Age
- 5mo ago

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
- Price
- $13.56
- Rating
- 4.8/5
- Reviews
- 16,653
- Age
- 6y ago

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
- Price
- $10.84
- Rating
- 4.8/5
- Reviews
- 20,963
- Age
- 10y ago

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
- Price
- $13.05
- Rating
- 4.8/5
- Reviews
- 16,431
- Age
- 10y ago

Amazon Basic Care Loperamide Hydrochloride Tablets 2 mg Anti-Diarrheal 24 Count (Pack of 1)
- Price
- $3.58
- Rating
- 4.7/5
- Reviews
- 23,540
- Age
- 6y ago
Newest
by launch date
Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 84 Caplets Anti Diarrhea Caplets
- Price
- $12.44
- Rating
- 4.7/5
- Reviews
- 4,883
- Age
- 5mo ago

Amazon Basic Care Loperamide Hcl 2 Mg Softgels Anti-Diarrheal Easy to Swallow Controls Symptoms of Travelers Diarrhea 24 Count
- Price
- $7.57
- Rating
- 4.7/5
- Reviews
- 6,748
- Age
- 2y ago

Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 42 Caplets Anti Diarrhea Caplets
- Price
- $6.56
- Rating
- 4.7/5
- Reviews
- 4,883
- Age
- 5y ago

Amazon Basic Care Loperamide Hydrochloride 2 mg and Simethicone 125 mg Tablets Multi-Symptom Relief Anti-Diarrheal Bloating and Cramps Gas Relief 24 Count
- Price
- $8.36
- Rating
- 4.6/5
- Reviews
- 4,096
- Age
- 6y ago

Amazon Basic Care Loperamide Hydrochloride Tablets 2 mg Anti-Diarrheal 24 Count (Pack of 1)
- Price
- $3.58
- Rating
- 4.7/5
- Reviews
- 23,540
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 91% of clicks. A locked shelf that new listings rarely crack.
Brands
3 falling
Sellers
68
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
91%
Top 20: 100%
Open market
0%
- Amazon Basic Care74%
- Imodium20%
- Kaopectate6%
Demand
Stool Hardener search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun · busiest ÷ quietest = 2.3×
Search terms
Top Stool Hardener search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- anti diarrhea pills574K/yr
- loperamide241K/yr
- diarrhea medication for adults155K/yr
- anti diarrhea78K/yr
- diarrhea medicine52K/yr
- antidiarrheal pills60K/yr
- anti diarrhea medicine31K/yr
- diarrhea43K/yr
- loperamide anti-diarrhea pills15K/yr
- antidiarrheal25K/yr
Reviews and returns
What reviews say buyers love and hate about Stool Hardener
We read the reviews and the return reasons for every product selling here.
“Hard to Open”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Stool Hardener questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









