---
title: "Bisacodyl — £110K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/bisacodyl"
last_updated: "2026-07-31T11:38:04.319Z"
locale: en
meta:
description: "Niche score 36/100 · £110K/yr market · 62K searches/yr · £6.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · £110K/yr market · 62K searches/yr · £6.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Bisacodyl — £110K/yr Amazon UK Niche (2026) - Flapen"
---
# **bisacodyl**
**Skip it**
Prices mostly outside the sweet spot ($2.34–$9.85) — this niche doesn't clear our bar today.
Market size 26Growth 12Conversion 100Competition 12Returns 100Price range 0Avg price 18Brand share 7Review moat 45Quality gap 48
**Conversion**
**Incredible****27.2%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,013**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****£110K**
£110K/yr · 62K searches
**Avg price**
**Bad****£6.51**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-25.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****86%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****£2.34–£9.85**
cheapest 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 ~~](https://flapen.com/research/methodology)
## **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.
10K6KHoliday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb · busiest ÷ quietest = 6.0×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/bisacodyl/trend)
## **Top bisacodyl search terms**
- **bisacodyl**33K/yr-31.4%21.8% conv. - **bisacodyl tablets 5mg**16K/yr-28.5%23.7% conv. - **bisacodyl tablets 10mg**9K/yr+8.6%23.6% conv. - **bisacodyl tablets**5K/yr-29.6%14.6% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/bisacodyl/search-terms)
## **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.
0%10%£11K20%£22K30%£33K40%£44K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Almus Constipation Relief Gastro-Resistant Tablets 5 mg Bisacodyl - 3 x 20 Tablets**Almus**£5.69**4.5★956 rev](https://www.amazon.co.uk/dp/B0BD8S28XF) [2**Dulcolax Adult - Constipation Relief Laxative 5mg Bisacodyl Gastro Resistant Tablets Tablets 20 Count**Dulcolax**£2.34**4.5★16,153 rev](https://www.amazon.co.uk/dp/B08K4JPSKK) [3**Constipation Relief Laxative 5mg Gastro-Resistant Tablets Adult - 3 Pack of 20 Tablets**Asrev Healthcare**£8.13**4.5★31 rev](https://www.amazon.co.uk/dp/B0DP9RNH6Z) [4**Constipation Relief Laxative 5mg Gastro Resistant Tablets 3 Pack of 20 Count (Brand May Vary)**Generic**£8.12**3.8★8 rev](https://www.amazon.co.uk/dp/B0GQ3Z9MW6) [5**Almus Laxative Tablets 5mg for Ages 18 Years and Older - Pack of 60**Almus**£6.19**4.3★97 rev](https://www.amazon.co.uk/dp/B0CZ78M857)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Constipation Relief 5mg Tablets Adult - (4 Packs of 20 Tabs Each)**BECKYS CHOICE**£8.16**15 rev11mo ago](https://www.amazon.co.uk/dp/B0FLSXC7GP) [**Constipation Relief Laxative 5mg Gastro Resistant Tablets 3 Pack of 20 Count (Brand May Vary)**Generic**£8.12**8 rev1y ago](https://www.amazon.co.uk/dp/B0GQ3Z9MW6) [**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**£9.85**31 rev1y ago](https://www.amazon.co.uk/dp/B0F99SZV2B) [**Constipation Relief 5mg Gastro Resistant 20 Tablets**Asrev Healthcare**£3.13**266 rev1y ago](https://www.amazon.co.uk/dp/B0F2WH6FLN) [**Constipation Relief Laxative 5mg Gastro-Resistant Tablets Adult - 3 Pack of 20 Tablets**Asrev Healthcare**£8.13**31 rev1y ago](https://www.amazon.co.uk/dp/B0DP9RNH6Z)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Constipation Relief 5mg Tablets Adult - (4 Packs of 20 Tabs Each)**BECKYS CHOICE**£8.16**4.9★**▲ 293%**](https://www.amazon.co.uk/dp/B0FLSXC7GP) [**Constipation Relief Laxative 5mg Gastro Resistant Tablets 3 Pack of 20 Count (Brand May Vary)**Generic**£8.12**3.8★**▲ 209%**](https://www.amazon.co.uk/dp/B0GQ3Z9MW6) [**Constipation Relief Laxative 5mg Gastro-Resistant Tablets Adult - 3 Pack of 20 Tablets**Asrev Healthcare**£8.13**4.5★**▲ 67%**](https://www.amazon.co.uk/dp/B0DP9RNH6Z) [**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**£9.85**4.7★**▲ 60%**](https://www.amazon.co.uk/dp/B0F99SZV2B) [**Almus Laxative Tablets 5mg for Ages 18 Years and Older - Pack of 60**Almus**£6.19**4.3★**▲ 15%**](https://www.amazon.co.uk/dp/B0CZ78M857)
**~~View all trending →~~**
## **What buyers say about bisacodyl**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**20%
*“As described”*
**Efficiency**16%
*“Very effective”*
**Quality-Overall**13%
*“As good as premium brand”*
**Value For Money**10%
*“Good price”*
**Regulates Digestion**9%
*“Relieves constipation”*
**Ease Of Use**4%
*“Easy to use”*
**Acid Regulator/Stomach Ache Relief**3%
*“they dont give me an upset tummy or cramps”*
**Strength**2%
*“Very strong”*
**Soft Feel**2%
*“Gentle and effective - worked without side effects”*
**Ease Of Chewing/Swallowing**2%
*“Easy to swallow”*
### **What buyers complain about **
**Functionality-Overall**21%
*“Don't work”*
**Acid Regulator/Stomach Ache Relief**13%
*“had really bad stomach cramps”*
**Pain Relief-Overall**9%
*“The cramps are painful”*
**Side Effects**7%
*“Caused me to feel ill”*
**Muscle Pain Relief**4%
*“Only downside is the cramps they are very very intense”*
**Regulates Digestion**4%
*“Suffered with constipation since I was 15”*
**Dosage**3%
*“Dont take laxatives before anything important”*
**Comfort-Overall**3%
*“it can be a bit uncomfortable”*
**Taste-Overall**2%
*“Doesn't taste of anything”*
**Strength**2%
*“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.
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