---
title: "Guardium — £740K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/guardium"
last_updated: "2026-07-31T14:38:47.700Z"
locale: en
meta:
  description: "Niche score 40/100 · £740K/yr market · 267K searches/yr · £8.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 40/100 · £740K/yr market · 267K searches/yr · £8.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Guardium — £740K/yr Amazon UK Niche (2026) - Flapen"
---

# **guardium**

**Skip it**

A concentrated shelf (top 5 take 89% of clicks) — this niche doesn't clear our bar today.

Market size 70Growth 10Conversion 100Competition 9Returns 100Price range 15Avg price 25Brand share 12Review moat 33Quality gap 19

**Conversion**

**Incredible****31.2%**

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****£740K**

£740K/yr · 267K searches

**Review moat**

**Okay****3,174.56**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Okay****£8.88**

avg listing price — sweet spot $15–$100

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Price range**

**Bad****£4.83–£16.75**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Brand share**

**Bad****95%**

top-5 brand share — brand-locked demand

**Growth**

**Bad****-29.9%**

90-day search growth — must beat 0% to launch

**Competition**

**Bad****89%**

top-5 click share — a locked-up shelf

According to Flapen's Amazon United Kingdom niche tracking, guardium is a £740K/yr Amazon United Kingdom market (267K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 40/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **guardium market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**80K–100K**</dd><dd>avg 8,000–10,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**£710K–£888K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**31.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#31**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**89%**</dd>

<dt>**Sponsored**</dt><dd>**89%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**65 months**</dd>

<dt>**Avg seller age**</dt><dd>**162 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**7 **▲rising

**Sellers**

**92**

**Top-5 brand share**

**95%**

Top 20: 100%

**Top-5 click share**

**89%**

Top 20: 100%

**Open market**

**2%**

- Nexium78% - Gaviscon7% - Generic4% - ANCIENT CARE CREATING HEALTHIER LIVES4% - BIOVITA3% - Gegoup2% - Open — no brand owns it (1 brand, 2%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -29.9% search growth over the last 90 days.

9K7KSpike '24Black Friday '24Holiday '24Spike '25 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.6×

[**Open Trend **](https://flapen.com/research/uk/health-personal-care/guardium/trend)

## **Top guardium search terms**

- **nexium**131K/yr-25.2%30.8% conv. - **nexium control 40mg tablets 28 tablets**40K/yr-21.8%24.4% conv. - **nexium control 20mg tablets 28 tablets**24K/yr-29.8%23.5% conv. - **guardium**18K/yr-47.0%25.4% conv. - **reflux**8K/yr-47.2%2.0% conv. - **gastro resistant tablets**7K/yr-21.0%6.3% conv. - **nexium control**8K/yr-55.8%24.2% conv. - **guardium acid reflux tablets pack of 28**5K/yr+8.5%21.1% conv. - **nexum**4K/yr-11.1%31.8% conv. - **cimetidine**3K/yr-0.9%0.4% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/guardium/search-terms)

## **Top guardium 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%£111K30%£222K45%£333K60%£444K101001K10K100K 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![Nexium Control Heartburn & Indigestion Tablets for Acid Reflux Relief Gastro-Resistant Esomeprazole Tablets 20mg 14 Count](https://m.media-amazon.com/images/I/51qHnptwjJL.jpg)**Nexium Control Heartburn & Indigestion Tablets for Acid Reflux Relief Gastro-Resistant Esomeprazole Tablets 20mg 14 Count**Nexium**£7.67**4.7★11,688 rev](https://www.amazon.co.uk/dp/B00MA5RMIQ) [2![Nexium Control Heartburn & Indigestion Capsules for Acid Reflux Relief Gastro-Resistant Esomeprazole capsules 20mg 14 Count](https://m.media-amazon.com/images/I/51WUjIGX03L.jpg)**Nexium Control Heartburn & Indigestion Capsules for Acid Reflux Relief Gastro-Resistant Esomeprazole capsules 20mg 14 Count**Nexium**£8.54**4.6★5,513 rev](https://www.amazon.co.uk/dp/B077B1CJ8P) [3![Nexium Control Heartburn & Indigestion Tablets for Acid Reflux Relief Gastro-Resistant Esomeprazole Tablets 20mg 7 Count](https://m.media-amazon.com/images/I/519iwMgIrFL.jpg)**Nexium Control Heartburn & Indigestion Tablets for Acid Reflux Relief Gastro-Resistant Esomeprazole Tablets 20mg 7 Count**Nexium**£4.83**4.7★3,228 rev](https://www.amazon.co.uk/dp/B00MA5QPGG) [4![Guardium Esomeprazole Acid Reflux Tablets 14 Pack - Indigestion & Heartburn Relief 24-Hour GERD/GORD Protection Antacids for Digestion & Nausea](https://m.media-amazon.com/images/I/41x3p+cvRoL.jpg)**Guardium Esomeprazole Acid Reflux Tablets 14 Pack - Indigestion & Heartburn Relief 24-Hour GERD/GORD Protection Antacids for Digestion & Nausea**Gaviscon**£7.60**4.6★6,389 rev](https://www.amazon.co.uk/dp/B07Q24JRQ2) [5![Nexiumm Control Heartburn and Acid Reflux Relief Tablets 28 Count (14 x 2)](https://m.media-amazon.com/images/I/41XxjzAMi6L.jpg)**Nexiumm Control Heartburn and Acid Reflux Relief Tablets 28 Count (14 x 2)**Generic**£16.75**5.0★23 rev](https://www.amazon.co.uk/dp/B0GFDMWHPP)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![NEXIUMM Control Heartburn and Acid Reflux Tablets | 14 Capsules](https://m.media-amazon.com/images/I/51vKbegr5ML.jpg)**NEXIUMM Control Heartburn and Acid Reflux Tablets | 14 Capsules**Gegoup**£11.29**51 rev1y ago](https://www.amazon.co.uk/dp/B0DB658LSC) [![Esomeprazole 20mg Heartburn & Acid Reflux Control 14 Capsules - 24 Hour Relief with Pill Box](https://m.media-amazon.com/images/I/41wQDcN1HaL.jpg)**Esomeprazole 20mg Heartburn & Acid Reflux Control 14 Capsules - 24 Hour Relief with Pill Box**BIOVITA**£7.44**904 rev1y ago](https://www.amazon.co.uk/dp/B0DKJQ467T) [![Esomeprazole 20mg Heartburn & Acid Reflux Control 24-Hour Acid Reducer for Indigestion & Heartburn Fast-Acting Delayed-Release Capsules Reduces Stomach Acid 14 Count](https://m.media-amazon.com/images/I/41nQ4KN09NL.jpg)**Esomeprazole 20mg Heartburn & Acid Reflux Control 24-Hour Acid Reducer for Indigestion & Heartburn Fast-Acting Delayed-Release Capsules Reduces Stomach Acid 14 Count**ANCIENT CARE CREATING HEALTHIER LIVES**£7.46**302 rev1y ago](https://www.amazon.co.uk/dp/B0FC2HDL6S) [![Nexiumm Control Heartburn and Acid Reflux Relief Tablets 28 Count (14 x 2)](https://m.media-amazon.com/images/I/41XxjzAMi6L.jpg)**Nexiumm Control Heartburn and Acid Reflux Relief Tablets 28 Count (14 x 2)**Generic**£16.75**23 rev2y ago](https://www.amazon.co.uk/dp/B0GFDMWHPP) [![OSM Pilot Seven Sea Nex](https://m.media-amazon.com/images/I/41IwWWV-43L.jpg)**OSM Pilot Seven Sea Nex**OSM**£8.36**473 rev2y ago](https://www.amazon.co.uk/dp/B0CLVVLNVT)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Nexiumm Control Heartburn and Acid Reflux Relief Tablets 28 Count (14 x 2)](https://m.media-amazon.com/images/I/41XxjzAMi6L.jpg)**Nexiumm Control Heartburn and Acid Reflux Relief Tablets 28 Count (14 x 2)**Generic**£16.75**5.0★**▲ 60%**](https://www.amazon.co.uk/dp/B0GFDMWHPP) [![Esomeprazole 20mg Heartburn & Acid Reflux Control 24-Hour Acid Reducer for Indigestion & Heartburn Fast-Acting Delayed-Release Capsules Reduces Stomach Acid 14 Count](https://m.media-amazon.com/images/I/41nQ4KN09NL.jpg)**Esomeprazole 20mg Heartburn & Acid Reflux Control 24-Hour Acid Reducer for Indigestion & Heartburn Fast-Acting Delayed-Release Capsules Reduces Stomach Acid 14 Count**ANCIENT CARE CREATING HEALTHIER LIVES**£7.46**4.7★**▲ 30%**](https://www.amazon.co.uk/dp/B0FC2HDL6S) [![Nexium Control Heartburn & Indigestion Capsules for Acid Reflux Relief Gastro-Resistant Esomeprazole capsules 20mg 14 Count](https://m.media-amazon.com/images/I/51WUjIGX03L.jpg)**Nexium Control Heartburn & Indigestion Capsules for Acid Reflux Relief Gastro-Resistant Esomeprazole capsules 20mg 14 Count**Nexium**£8.54**4.6★**▲ 14%**](https://www.amazon.co.uk/dp/B077B1CJ8P) [![Nexium Control Heartburn & Indigestion Tablets for Acid Reflux Relief Gastro-Resistant Esomeprazole Tablets 20mg 7 Count](https://m.media-amazon.com/images/I/519iwMgIrFL.jpg)**Nexium Control Heartburn & Indigestion Tablets for Acid Reflux Relief Gastro-Resistant Esomeprazole Tablets 20mg 7 Count**Nexium**£4.83**4.7★**▲ 12%**](https://www.amazon.co.uk/dp/B00MA5QPGG) [![NEXIUMM Control Heartburn and Acid Reflux Tablets | 14 Capsules](https://m.media-amazon.com/images/I/51vKbegr5ML.jpg)**NEXIUMM Control Heartburn and Acid Reflux Tablets | 14 Capsules**Gegoup**£11.29**4.7★**— 5%**](https://www.amazon.co.uk/dp/B0DB658LSC)

**~~View all trending →~~**

## **What buyers say about guardium**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**24%

*“Amazing value”*

**Quality-Overall**14%

*“Excellent product”*

**Heart Health**13%

*“Excellent for heart burn works quickly”*

**Regulates Digestion**12%

*“Worked on my acid reflux very pleased”*

**Efficiency**8%

*“Just as effective as Nexium”*

**Advertised Vs Actual Product**7%

*“Goods as advertised”*

**Acid Regulator/Stomach Ache Relief**5%

*“work really well for reflux symptoms”*

**Strength**3%

*“Really effective”*

**Dosage**2%

*“They are quite strong and need to be careful and not overdose, limited side effects,”*

**Ease Of Chewing/Swallowing**1%

*“easy to swallow”*

### **What buyers complain about **

**Value For Money**24%

*“Expensive though”*

**Side Effects**7%

*“I imagine there might be long term effects over prolonged use”*

**Advertised Vs Actual Product**7%

*“Not obvious from description”*

**Water Resistance**7%

*“item was left out in the rain every thing was soaked unable to use”*

**Regulates Digestion**5%

*“I was struggling as my acid reflux was making me feel too sick to eat”*

**Heart Health**3%

*“still had heartburn when drinking a few beers”*

**Recycle/Reuse**2%

*“So every month I get another piece of useless plastic that goes straight into the recycling bin”*

**Natural Resource Wastage**2%

*“Seems such a waste of time, money and materials”*

**Ease Of Use**2%

*“It can take a few days of use for it to start working”*

**Size-Overall**1%

*“The tablets are small”*

## **Common questions**

<dl>

<dt>**Is guardium profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £740K/yr across 9 tracked products. 90-day search growth is -29.9%. Flapen's verdict: Skip it (40/100).</dd>

<dt>**How competitive is the guardium niche?**</dt><dd>7 brands and 92 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 95% of demand.</dd>

<dt>**What do buyers complain about in guardium?**</dt><dd>Top complaints mined from reviews: Value For Money, Side Effects, Advertised Vs Actual Product. The return rate is 0.0%.</dd>

<dt>**When does demand for guardium peak?**</dt><dd>Demand peaks in Jan–Feb–Mar; the busiest month runs 2.6× the quietest.</dd>

<dt>**What does it cost to enter the guardium niche?**</dt><dd>Listings span £4.83–£16.75; the average listing price is £8.88 (sweet spot $15–$100). The average incumbent carries 3,175 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Health & Personal Care**

- 69 [**cooling towel**](https://flapen.com/research/uk/health-personal-care/cooling-towel)£1.1M/yr>1,000%**Launch it**- 70 [**collagen**](https://flapen.com/research/uk/health-personal-care/collagen)£6.6M/yr-20.1%**Worth a look**- 70 [**dry skin remover feet**](https://flapen.com/research/uk/health-personal-care/dry-skin-remover-feet)£236K/yr+78.2%**Worth a look**- 70 [**stryde knee strap**](https://flapen.com/research/uk/health-personal-care/stryde-knee-strap)£112K/yr>1,000%**Worth a look**- 70 [**libre 2 sensor covers**](https://flapen.com/research/uk/health-personal-care/libre-2-sensor-covers)£240K/yr+67.1%**Worth a look**- 70 [**water retention tablets**](https://flapen.com/research/uk/health-personal-care/water-retention-tablets)£470K/yr+47.2%**Worth a look**[**All Health & Personal Care niches **](https://flapen.com/research/uk/health-personal-care)