bisacodyl
Skip itPrices mostly outside the sweet spot ($2.34–$9.85) — this niche doesn't clear our bar today.
Conversion
Incredible27.2%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,013avg incumbent reviews — the moat a new listing must climb
Market size
Okay£110K£110K/yr · 62K searches
Avg price
Bad£6.51avg listing price — sweet spot $15–$100
Growth
Bad-25.0%90-day search growth — must beat 0% to launch
Competition
Bad86%top-5 click share — a locked-up shelf
Brand share
Bad97%top-5 brand share — brand-locked demand
Price range
Bad£2.34–£9.85cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, bisacodyl is a £110K/yr Amazon United Kingdom market (62K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 36/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
bisacodyl market data
- Units sold / yr
- 25K–30K
- avg 3,000–4,000/product
- Revenue / yr
- £163K–£195K
- units × avg price
- Conversion rate
- 27.2%
- Avg BSR
- #50
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 56%
- Out of stock
- 0.0%
- Avg brand age
- 67 months
- Avg seller age
- 162 days
Competition & brand share
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 rising
Sellers
31
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
86%
Top 20: 100%
Open market
0%
- Almus45%
- Dulcolax28%
- Asrev Healthcare14%
- Generic5%
- BECKYS CHOICE5%
- JJH Medical3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -25.0% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 6.0×
Top bisacodyl search terms
- bisacodyl33K/yr
- bisacodyl tablets 5mg16K/yr
- bisacodyl tablets 10mg9K/yr
- bisacodyl tablets5K/yr
Top bisacodyl products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Almus Constipation Relief Gastro-Resistant Tablets 5 mg Bisacodyl - 3 x 20 Tablets
Almus£5.694.5★956 rev
Dulcolax Adult - Constipation Relief Laxative 5mg Bisacodyl Gastro Resistant Tablets Tablets 20 Count
Dulcolax£2.344.5★16,153 rev
Constipation Relief Laxative 5mg Gastro-Resistant Tablets Adult - 3 Pack of 20 Tablets
Asrev Healthcare£8.134.5★31 rev
Constipation Relief Laxative 5mg Gastro Resistant Tablets 3 Pack of 20 Count (Brand May Vary)
Generic£8.123.8★8 rev
Almus Laxative Tablets 5mg for Ages 18 Years and Older - Pack of 60
Almus£6.194.3★97 rev
Newest
by launch date
Constipation Relief 5mg Tablets Adult - (4 Packs of 20 Tabs Each)
BECKYS CHOICE£8.1615 rev
Constipation Relief Laxative 5mg Gastro Resistant Tablets 3 Pack of 20 Count (Brand May Vary)
Generic£8.128 rev
Constipation Relief Laxative 5mg Gastro-Resistant Tablets 3 Pack of 20 Tablets Effective Adult Relief- JJH Medical Bundle with Stool Chart & Symptom Tracker
JJH Medical£9.8531 rev
Constipation Relief 5mg Gastro Resistant 20 Tablets
Asrev Healthcare£3.13266 rev
Constipation Relief Laxative 5mg Gastro-Resistant Tablets Adult - 3 Pack of 20 Tablets
Asrev Healthcare£8.1331 rev
Trending
90-day click momentumConstipation Relief 5mg Tablets Adult - (4 Packs of 20 Tabs Each)
BECKYS CHOICE£8.164.9★
Constipation Relief Laxative 5mg Gastro Resistant Tablets 3 Pack of 20 Count (Brand May Vary)
Generic£8.123.8★
Constipation Relief Laxative 5mg Gastro-Resistant Tablets Adult - 3 Pack of 20 Tablets
Asrev Healthcare£8.134.5★
Constipation Relief Laxative 5mg Gastro-Resistant Tablets 3 Pack of 20 Tablets Effective Adult Relief- JJH Medical Bundle with Stool Chart & Symptom Tracker
JJH Medical£9.854.7★
Almus Laxative Tablets 5mg for Ages 18 Years and Older - Pack of 60
Almus£6.194.3★
What buyers say about bisacodyl
What buyers praise and complain about, mined from review topics.What buyers love
“As described”
“Very effective”
“As good as premium brand”
“Good price”
“Relieves constipation”
“Easy to use”
“they dont give me an upset tummy or cramps”
“Very strong”
“Gentle and effective - worked without side effects”
“Easy to swallow”
What buyers complain about
“Don't work”
“had really bad stomach cramps”
“The cramps are painful”
“Caused me to feel ill”
“Only downside is the cramps they are very very intense”
“Suffered with constipation since I was 15”
“Dont take laxatives before anything important”
“it can be a bit uncomfortable”
“Doesn't taste of anything”
“Not that stronger tablet”
Common questions
- Is bisacodyl profitable to sell on Amazon United Kingdom?
- The niche generates £110K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -25.0%. Flapen's verdict: Skip it (36/100).
- How competitive is the bisacodyl niche?
- 6 brands and 31 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in bisacodyl?
- Top complaints mined from reviews: Functionality-Overall, Acid Regulator/Stomach Ache Relief, Pain Relief-Overall. The return rate is 0.0%.
- When does demand for bisacodyl peak?
- Demand peaks in Jan–Feb; the busiest month runs 6.0× the quietest.
- What does it cost to enter the bisacodyl niche?
- Listings span £2.34–£9.85; the average listing price is £6.51 (sweet spot $15–$100). The average incumbent carries 2,013 reviews — the moat a new listing must climb.