---
title: "Simethicone — £180K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/simethicone"
last_updated: "2026-07-31T13:15:51.047Z"
locale: en
meta:
description: "Niche score 38/100 · £180K/yr market · 263K searches/yr · £7.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · £180K/yr market · 263K searches/yr · £7.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Simethicone — £180K/yr Amazon UK Niche (2026) - Flapen"
---
# **simethicone**
**Skip it**
Prices mostly outside the sweet spot ($2.50–$16.05) — this niche doesn't clear our bar today.
Market size 36Growth 19Conversion 82Competition 10Returns 100Price range 8Avg price 22Brand share 18Review moat 35Quality gap 50
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****8.7%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****£180K**
£180K/yr · 263K searches
**Review moat**
**Okay****2,992.73**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****£7.87**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-12.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****87%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****£2.50–£16.05**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, simethicone is a £180K/yr Amazon United Kingdom market (263K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 38/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **simethicone market data**
- **Units sold / yr**
- **25K–30K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **£197K–£236K**
- units × avg price
- **Conversion rate**
- **8.7%**
- **Avg BSR**
- **#52**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **64%**
- **Out of stock**
- **6.5%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**78**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**87%**
Top 20: 100%
**Open market**
**5%**
- Rennie55% - BLOATEZE15% - Windeze14% - Buscopan6% - Medic3% - Bisodol2% - Open — no brand owns it (3 brands, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -12.9% search growth over the last 90 days.
8K6KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/simethicone/trend)
## **Top simethicone search terms**
- **simethicone**59K/yr+3.3%9.4% conv. - **simethicone tablets**26K/yr+11.7%8.7% conv. - **trapped wind relief for adults**27K/yr-33.8%11.3% conv. - **simeticone**17K/yr+26.1%8.8% conv. - **gas x**14K/yr-4.5%4.7% conv. - **wind relief for adults**13K/yr-4.1%9.4% conv. - **wind settlers gel capsules**8K/yr+13.6%8.5% conv. - **wind settlers**16K/yr-44.2%7.1% conv. - **gas-x**10K/yr-0.7%3.5% conv. - **espumisan**8K/yr+6.4%2.8% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/simethicone/search-terms)
## **Top simethicone 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%£18K20%£36K30%£54K40%£72K101001K10K100K 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**Rennie Wind Relief Pro Effective Relief from Flatulence and Gas-Related Complaints 250 mg Simeticone 50 Soft Gel Capsules**Rennie**£9.80**4.4★331 rev](https://www.amazon.co.uk/dp/B0FM4HXDH9) [2**Rennie Deflatine Trapped Wind and Bloating Tablets Fast and Effective Heartburn Relief and Indigestion Relief Sugar Free Mint 1 Pack of 36 Tablets**Rennie**£5.42**4.4★6,949 rev](https://www.amazon.co.uk/dp/B001DZQ67C) [3**Bloateze Stomach Bloating Cramping & Trapped Wind Relief for Adults | Begins to Work in 15 Minutes | with Active Carbon (20 Tablets)**BLOATEZE**£5.96**4.3★574 rev](https://www.amazon.co.uk/dp/B094HSZRJ9) [4**Windeze Gel Caps**Windeze**£6.38**4.6★514 rev](https://www.amazon.co.uk/dp/B004FOCE88) [5**Buscopan Targets the Source of Belly Pain Cramps & Discomfort Starts to Work in 15 Minutes 60 Tablets Relief from IBS Stomach Pain Cramps & Discomfort**Buscopan**£10.02**4.7★5,762 rev](https://www.amazon.co.uk/dp/B0F8R1HN3C)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Rennie Wind Relief Pro Effective Relief from Flatulence and Gas-Related Complaints 250 mg Simeticone 50 Soft Gel Capsules**Rennie**£9.80**331 rev11mo ago](https://www.amazon.co.uk/dp/B0FM4HXDH9) [**Buscopan Targets the Source of Belly Pain Cramps & Discomfort Starts to Work in 15 Minutes 60 Tablets Relief from IBS Stomach Pain Cramps & Discomfort**Buscopan**£10.02**5,762 rev1y ago](https://www.amazon.co.uk/dp/B0F8R1HN3C) [**Bloateze Stomach Bloating Cramping & Trapped Wind Relief for Adults | Begins to Work in 15 Minutes | with Active Carbon (20 Tablets)**BLOATEZE**£5.96**574 rev2y ago](https://www.amazon.co.uk/dp/B094HSZRJ9) [**Fybocalm Wind and bloating relief 30 capsules Naturally derived Wind and bloating relief long lasting relief Clinically proven Gluten free**Fybogel**£9.26**871 rev2y ago](https://www.amazon.co.uk/dp/B00O1632BI) [**Bisodol Indigestion Relief Tablets Peppermint 1 Pack of 60 Tablets**Bisodol**£2.50**1,212 rev3y ago](https://www.amazon.co.uk/dp/B0BNVJRRBL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**silicolgel Sachets - Clinically Proven Relief for IBS Symptoms: Diarrhoea Stomach Pain Bloating and Flatulence. Also Treats Heartburn Acid Reflux and Nausea. 12 x 15ml.**silicol**£8.19**4.3★**▲ 54%**](https://www.amazon.co.uk/dp/B09KCRWFR2) [**Bisodol Indigestion Relief Tablets Peppermint 1 Pack of 60 Tablets**Bisodol**£2.50**4.6★**▲ 53%**](https://www.amazon.co.uk/dp/B0BNVJRRBL) [**Buscopan Targets the Source of Belly Pain Cramps & Discomfort Starts to Work in 15 Minutes 60 Tablets Relief from IBS Stomach Pain Cramps & Discomfort**Buscopan**£10.02**4.7★**▲ 47%**](https://www.amazon.co.uk/dp/B0F8R1HN3C) [**Bloateze Stomach Bloating Cramping & Trapped Wind Relief for Adults | Begins to Work in 15 Minutes | with Active Carbon (20 Tablets)**BLOATEZE**£5.96**4.3★**▲ 44%**](https://www.amazon.co.uk/dp/B094HSZRJ9) [**Rennie Wind Relief Pro Effective Relief from Flatulence and Gas-Related Complaints 250 mg Simeticone 50 Soft Gel Capsules**Rennie**£9.80**4.4★**▲ 22%**](https://www.amazon.co.uk/dp/B0FM4HXDH9)
**~~View all trending →~~**
## **What buyers say about simethicone**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**15%
*“Great value for money”*
**Efficiency**13%
*“Works ok”*
**Quality-Overall**11%
*“Good effective product”*
**Ease Of Use**9%
*“comes in handy”*
**Advertised Vs Actual Product**9%
*“Does what they advertise”*
**Acid Regulator/Stomach Ache Relief**7%
*“Helps with my tummy pain”*
**Regulates Digestion**6%
*“Works well to reduce painful bloating”*
**Heart Health**3%
*“Great for heart burn”*
**Joint Pain**2%
*“They work for IBS”*
**Dosage**2%
*“actually these are better than the powder ones/ chalky ones just 1 tablet works really well every 5hrs”*
### **What buyers complain about **
**Functionality-Overall**22%
*“Not effective enough”*
**Value For Money**14%
*“Waste of money”*
**Taste-Overall**7%
*“They dont taste of anything which is a positive”*
**Acid Regulator/Stomach Ache Relief**6%
*“I have tried alot of different tabs to relieve my bloating and horrible discomfort”*
**Pain Relief-Overall**5%
*“gripping pains you get with a dodgy tum”*
**Regulates Digestion**5%
*“My partner has developed quite uncomfortable bloating”*
**Dosage**4%
*“Cant take them”*
**Side Effects**3%
*“results were mixed for me”*
**Ease Of Chewing/Swallowing**2%
*“can be sucked or chewed”*
**Comfort-Overall**2%
*“making me uncomfortable”*
### **Top return reasons **
**Functionality-Overall**21%
**Pain Relief-Overall**21%
**Leak-Proof**14%
**Product Condition**14%
**Dosage**14%
**Language Issues**5%
**Acid Regulator/Stomach Ache Relief**5%
**Side Effects**5%
## **Common questions**
- **Is simethicone profitable to sell on Amazon United Kingdom?**
- The niche generates £180K/yr across 11 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.9%. Flapen's verdict: Skip it (38/100).
- **How competitive is the simethicone niche?**
- 9 brands and 78 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in simethicone?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Taste-Overall. The return rate is 0.1%.
- **When does demand for simethicone peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the simethicone niche?**
- Listings span £2.50–£16.05; the average listing price is £7.87 (sweet spot $15–$100). The average incumbent carries 2,993 reviews — the moat a new listing must climb.
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