---
title: "Gas X — £43K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/gas-x"
last_updated: "2026-07-31T14:04:33.048Z"
locale: en
meta:
description: "Niche score 34/100 · £43K/yr market · 61K searches/yr · £7.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · £43K/yr market · 61K searches/yr · £7.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Gas X — £43K/yr Amazon UK Niche (2026) - Flapen"
---
# **gas x**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 11Growth 19Conversion 85Competition 3Returns 100Price range 0Avg price 21Brand share 0Review moat 52Quality gap 67
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****1,416**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****£7.45**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-12.1%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£43K**
£43K/yr · 61K searches
**Competition**
**Bad****97%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****£5.42–£11.96**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, gas x is a £43K/yr Amazon United Kingdom market (61K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 34/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **gas x market data**
- **Units sold / yr**
- **5K–6K**
- avg 500–750/product
- **Revenue / yr**
- **£37K–£45K**
- units × avg price
- **Conversion rate**
- **9.4%**
- **Avg BSR**
- **#333**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **83%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **64 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**97%**
Top 20: 100%
**Open market**
**0%**
- Rennie78% - BLOATEZE8% - Himalaya7% - Gasex4% - NutriVolv3% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 16 weeks — -12.1% search growth over the last 90 days.
1K750Spike '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/gas-x/trend)
## **Top gas x search terms**
- **rennie wind relief pro**9K/yr+46.0%17.7% conv. - **gas x**14K/yr-4.5%4.9% conv. - **gas-x**10K/yr-0.7%3.5% conv. - **trapped wind**9K/yr-45.3%8.9% conv. - **flatulence relief tablets for adults**7K/yr-28.5%6.8% conv. - **trapped wind relief**5K/yr+24.6%8.3% conv. - **espumisan tablets**3K/yr-14.7%0.5% conv. - **flatulence relief**3K/yr-20.2%4.5% conv. - **rennie extra**2K/yr-96.3%0.0% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/gas-x/search-terms)
## **Top gas x 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%15%£6K30%£13K45%£19K60%£26K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 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**Himalaya Herbal Gasex for Indigestion Gaseousness Dyspepsia**Himalaya**£5.60**4.3★32 rev](https://www.amazon.co.uk/dp/B00EFY8MWU) [5**Gasex Tab 100 (Pack of 3)**Gasex**£11.96**4.2★46 rev](https://www.amazon.co.uk/dp/B0757MDHCK)
**~~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) [**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) [**Gasex Tab 100 (Pack of 3)**Gasex**£11.96**46 rev3y ago](https://www.amazon.co.uk/dp/B0757MDHCK) [**Activated Charcoal 600mg | 90 Capsules | Reduce Flatulence Gas & Bloating | Detox**NutriVolv**£5.93**564 rev5y ago](https://www.amazon.co.uk/dp/B08Y83G6K2) [**Himalaya Herbal Gasex for Indigestion Gaseousness Dyspepsia**Himalaya**£5.60**32 rev12y ago](https://www.amazon.co.uk/dp/B00EFY8MWU)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Gasex Tab 100 (Pack of 3)**Gasex**£11.96**4.2★**▲ 114%**](https://www.amazon.co.uk/dp/B0757MDHCK) [**Rennie Wind Relief Pro Effective Relief from Flatulence and Gas-Related Complaints 250 mg Simeticone 50 Soft Gel Capsules**Rennie**£9.80**4.4★**▲ 24%**](https://www.amazon.co.uk/dp/B0FM4HXDH9) [**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★**▲ 13%**](https://www.amazon.co.uk/dp/B094HSZRJ9) [**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★**▼ 28%**](https://www.amazon.co.uk/dp/B001DZQ67C) [**Himalaya Herbal Gasex for Indigestion Gaseousness Dyspepsia**Himalaya**£5.60**4.3★**▼ 29%**](https://www.amazon.co.uk/dp/B00EFY8MWU)
**~~View all trending →~~**
## **What buyers say about gas x**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Efficiency**18%
*“Works well”*
**Value For Money**14%
*“Good price”*
**Regulates Digestion**11%
*“Works well to reduce painful bloating”*
**Advertised Vs Actual Product**9%
*“Does the job”*
**Acid Regulator/Stomach Ache Relief**9%
*“Taste nice, and got rid of the pain in my stomach”*
**Quality-Overall**8%
*“Excellent Product”*
**Ease Of Use**7%
*“Ease of use”*
**Dosage**3%
*“This means you only have to take one of these per occasion”*
**Strength**3%
*“Very effective”*
**Heart Health**1%
*“Excellent for anyone with painful gas and heartburn”*
### **What buyers complain about **
**Functionality-Overall**28%
*“Didn't help at all for me sadly”*
**Value For Money**11%
*“ok they are a little expensive for what they are”*
**Acid Regulator/Stomach Ache Relief**8%
*“Painful stomach”*
**Regulates Digestion**5%
*“I have been advised to take various tablets for bloating by Drs which dont help”*
**Dosage**4%
*“Ok so I am trying them now at the minimum dose of one tablet not the nicest tablet I have ever had”*
**Side Effects**4%
*“gave me various side effects”*
**Ease Of Chewing/Swallowing**4%
*“can be sucked or chewed”*
**Joint Pain**3%
*“Does not work for R-CPD pain”*
**Pain Relief-Overall**3%
*“discomfort leading to depression”*
**Comfort-Overall**3%
*“making me uncomfortable”*
## **Common questions**
- **Is gas x profitable to sell on Amazon United Kingdom?**
- The niche generates £43K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.1%. Flapen's verdict: Skip it (34/100).
- **How competitive is the gas x niche?**
- 5 brands and 30 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in gas x?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
- **What does it cost to enter the gas x niche?**
- Listings span £5.42–£11.96; the average listing price is £7.45 (sweet spot $15–$100). The average incumbent carries 1,416 reviews — the moat a new listing must climb.
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