---
title: "Senna — £719K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/senna"
last_updated: "2026-07-31T14:48:40.775Z"
locale: en
meta:
description: "Niche score 50/100 · £719K/yr market · 452K searches/yr. Prices mostly outside the sweet spot ($2.34–$10.29) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · £719K/yr market · 452K searches/yr. Prices mostly outside the sweet spot ($2.34–$10.29) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Senna — £719K/yr Amazon UK Niche (2026) - Flapen"
---
# **senna**
**Worth a look**
Shows searches that convert (25.5% search→purchase), but prices mostly outside the sweet spot ($2.34–$10.29) keeps it on the watch list.
Market size 69Growth 50Conversion 100Competition 16Returns 100Price range 0Avg price 17Brand share 32Review moat 44Quality gap 32
**Conversion**
**Incredible****25.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Good****£719K**
£719K/yr · 452K searches
**Growth**
**Good****+20.3%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****2,123.09**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****£6.24**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****£2.34–£10.29**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United Kingdom niche tracking, senna is a £719K/yr Amazon United Kingdom market (452K searches/yr). The top 5 brands hold 86% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **senna market data**
- **Units sold / yr**
- **125K–150K**
- avg 12,500–15,000/product
- **Revenue / yr**
- **£780K–£936K**
- units × avg price
- **Conversion rate**
- **25.5%**
- **Avg BSR**
- **#28**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **91%**
- **Out of stock**
- **10.5%**
- **Avg brand age**
- **60 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▲rising
**Sellers**
**73**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**10%**
- Senokot61% - Dulcolax7% - Healthpoint7% - Sennaveda6% - Wilosc5% - BECKYS CHOICE4% - Open — no brand owns it (4 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +20.3% search growth over the last 90 days.
10K6KHoliday '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/senna/trend)
## **Top senna search terms**
- **senna tablets**138K/yr+13.6%20.8% conv. - **senna**92K/yr+1.7%12.9% conv. - **senokot**71K/yr+44.3%21.3% conv. - **senokot max strength**56K/yr+90.1%14.0% conv. - **senokot tablets**34K/yr-30.2%25.6% conv. - **senna tablets for constipation**27K/yr-30.5%19.6% conv. - **senokot max strength 48 tablets adult**13K/yr+52.0%13.8% conv. - **senna max strength 48 tablets**7K/yr+211.9%11.9% conv. - **senokot laxative tablets**5K/yr+138.0%24.6% conv. - **senakot**4K/yr+12.3%26.1% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/senna/search-terms)
## **Top senna 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%£72K20%£144K30%£216K40%£288K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Senokot 7.5mg 20 Tablets - Natural Senna Fruit Laxative for Constipation Relief Constipation relief for adults Dual action laxative Double action constipation relief Effective Overnight**Senokot**£3.22**4.4★2,340 rev](https://www.amazon.co.uk/dp/B08HYQYH88) [2**Senokot Strength Max Tablets Adults Senna Fruit 10 Count Constipation Relief for Adults Dual Action Laxative Double Action Constipation Relief Effective Overnight**Senokot**£3.04**4.4★3,048 rev](https://www.amazon.co.uk/dp/B08PCQ6Z28) [3**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) [4**HEALTHPOINT SENNA PODS TABLETS 7.5MG 03/23**Healthpoint**£2.47**4.6★729 rev](https://www.amazon.co.uk/dp/B09MZP4SS1) [5**Sennaveda Senna Tablets 240 nos Made with Senna Leaf Powder Digestive Health Detox Cleanse Senna Leaf Powder Tablet**Sennaveda**£10.29**4.6★302 rev](https://www.amazon.co.uk/dp/B0BSXQM42Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Senna Constipation Relief 7.5mg Tablet Adult -3 Pack Tablets Effective Adult Relief - Fylde Clinic**Fylde Clinic**£5.88**12 rev7mo ago](https://www.amazon.co.uk/dp/B0G5QYBF1C) [**Constipation Relief 7.5mg Tablets Adult (5 Packs - 20 Tabs Each)**BECKYS CHOICE**£8.10**45 rev10mo ago](https://www.amazon.co.uk/dp/B0FR1JLRDX) [**4 x Senna 7.5mg 20 Tablets - Constipation Relief (Four Packs) Effective Overnight Constipation Relief Natural & Stool Softener for Adults Supports Digestion Eases Nausea**APG Healthcare**£7.49**190 rev1y ago](https://www.amazon.co.uk/dp/B0FJGKBDC7) [**Constipation Relief for Adults x 80 Tablets Including Handy Wilosc Constipation Management Chart for Long Term Management.**Wilosc**£9.56**66 rev1y ago](https://www.amazon.co.uk/dp/B0FH563Z25) [**Senna 7.5mg Tablets for Adults 20 Tablets with TDY Guide**TDY Store**£7.69**223 rev1y ago](https://www.amazon.co.uk/dp/B0FBLJ1KFR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Constipation Relief for Adults x 80 Tablets Including Handy Wilosc Constipation Management Chart for Long Term Management.**Wilosc**£9.56**4.7★**▲ 164%**](https://www.amazon.co.uk/dp/B0FH563Z25) [**Constipation Relief 7.5mg Tablets Adult (5 Packs - 20 Tabs Each)**BECKYS CHOICE**£8.10**4.4★**▲ 144%**](https://www.amazon.co.uk/dp/B0FR1JLRDX) [**Senna Constipation Relief 7.5mg Tablet Adult -3 Pack Tablets Effective Adult Relief - Fylde Clinic**Fylde Clinic**£5.88**4.9★**▲ 137%**](https://www.amazon.co.uk/dp/B0G5QYBF1C) [**Senokot 7.5mg 20 Tablets - Natural Senna Fruit Laxative for Constipation Relief Constipation relief for adults Dual action laxative Double action constipation relief Effective Overnight**Senokot**£3.22**4.4★**▲ 35%**](https://www.amazon.co.uk/dp/B08HYQYH88) [**Dulcolax Adult - Constipation Relief Laxative 5mg Bisacodyl Gastro Resistant Tablets Tablets 20 Count**Dulcolax**£2.34**4.5★**▲ 17%**](https://www.amazon.co.uk/dp/B08K4JPSKK)
**~~View all trending →~~**
## **What buyers say about senna**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**19%
*“As advertised great”*
**Efficiency**18%
*“Works perfectly”*
**Quality-Overall**14%
*“A trusted and reliable product that does exactly what it says”*
**Value For Money**13%
*“not expensive”*
**Regulates Digestion**7%
*“Really helps with bloating”*
**Ease Of Use**5%
*“Easy to use”*
**Strength**3%
*“Consistency – solid tablets”*
**Soft Feel**3%
*“Very gentle”*
**Acid Regulator/Stomach Ache Relief**3%
*“gentle on the stomach”*
**Functionality-Overall**1%
*“do the job”*
### **What buyers complain about **
**Functionality-Overall**26%
*“this type of reiief does not work”*
**Acid Regulator/Stomach Ache Relief**9%
*“had really bad stomach cramps”*
**Pain Relief-Overall**8%
*“The cramps are painful”*
**Side Effects**5%
*“I had very severe stomach cramps with excruciating pain lasting for about two hours”*
**Dosage**4%
*“foolishly took 2, next day”*
**Taste-Overall**3%
*“Doesn't taste of anything”*
**Quality-Overall**3%
*“Cheap”*
**Muscle Pain Relief**3%
*“Only downside is the cramps they are very very intense”*
**Comfort-Overall**3%
*“Uncomfortable problem to have”*
**Value For Money**3%
*“Waste of money”*
## **Common questions**
- **Is senna profitable to sell on Amazon United Kingdom?**
- The niche generates £719K/yr across 11 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +20.3%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the senna niche?**
- 10 brands and 73 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in senna?**
- 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 senna peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the senna niche?**
- Listings span £2.34–£10.29; the average listing price is £6.24 (sweet spot $15–$100). The average incumbent carries 2,123 reviews — the moat a new listing must climb.
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