---
title: "Ketone Meter — £133K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/ketone-meter"
last_updated: "2026-07-31T13:53:08.965Z"
locale: en
meta:
  description: "Niche score 50/100 · £133K/yr market · 141K searches/yr · £26.52 avg price. Soft demand (-19.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · £133K/yr market · 141K searches/yr · £26.52 avg price. Soft demand (-19.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Ketone Meter — £133K/yr Amazon UK Niche (2026) - Flapen"
---

# **ketone meter**

**Worth a look**

Shows a sweet-spot price point ($26.52 avg), but soft demand (-19.4% this quarter) keeps it on the watch list.

Market size 30Growth 15Conversion 44Competition 31Returns 94Price range 78Avg price 95Brand share 44Review moat 47Quality gap 90

**Avg price**

**Incredible****£26.52**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Price range**

**Great****£5.93–£49.83**

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

**Review moat**

**Okay****1,829.68**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Okay****3.5%**

search→purchase rate — share of searches ending in a sale

**Brand share**

**Okay****79%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****67%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****£133K**

£133K/yr · 141K searches

**Growth**

**Bad****-19.4%**

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

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500") [** 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, ketone meter is a £133K/yr Amazon United Kingdom market (141K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jan–Feb–Nov. Verdict: Worth a look — 50/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **ketone meter market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£106K–£133K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#134**</dd>

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

<dt>**Prime**</dt><dd>**95%**</dd>

<dt>**Sponsored**</dt><dd>**74%**</dd>

<dt>**Out of stock**</dt><dd>**17.9%**</dd>

<dt>**Avg brand age**</dt><dd>**61 months**</dd>

<dt>**Avg seller age**</dt><dd>**184 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**13 **▲rising

**Sellers**

**33**

**Top-5 brand share**

**79%**

Top 20: 100%

**Top-5 click share**

**67%**

Top 20: 100%

**Open market**

**17%**

- Keto-Mojo29% - FoviFlxy21% - KetoBM18% - Gemusve6% - Valuemed5% - NKD Living4% - Open — no brand owns it (7 brands, 17%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -19.4% search growth over the last 90 days.

9K7KSpike '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Nov · busiest ÷ quietest = 2.1×

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

## **Top ketone meter search terms**

- **ketone test monitor**34K/yr-25.7%2.7% conv. - **ketone meter**29K/yr-15.7%1.9% conv. - **keto mojo**15K/yr+4.8%4.4% conv. - **ketone monitor**10K/yr-29.2%2.3% conv. - **blood ketone meter**7K/yr+7.0%2.8% conv. - **ketones monitor**6K/yr-29.8%2.5% conv. - **ketosis monitor**5K/yr-6.2%3.7% conv. - **keto-mojo**6K/yr-28.2%3.9% conv. - **keto mojo meter**5K/yr-8.3%2.9% conv. - **glucose and ketone monitor kit**3K/yr-25.9%2.3% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/ketone-meter/search-terms)

## **Top ketone meter 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%£13K20%£27K30%£40K40%£53K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Keto Mojo Blood Ketone and Sugar Monitor Diabetes Test Kit 10 Ketone + 10 Glucose Test Strips 10 Lancets 1 Meter 1 Lancet Device GKI-Bluetooth](https://m.media-amazon.com/images/I/41vEhkBsMtL.jpg)**Keto Mojo Blood Ketone and Sugar Monitor Diabetes Test Kit 10 Ketone + 10 Glucose Test Strips 10 Lancets 1 Meter 1 Lancet Device GKI-Bluetooth**Keto-Mojo**£49.43**4.2★262 rev](https://www.amazon.co.uk/dp/B084P6ZDTG) [2![KetoBM Blood Ketone Meter Kit for Keto Diet Testing - Complete Test Kit with Monitor Strips Lancing Device & Lancets](https://m.media-amazon.com/images/I/41ECrdusKcL.jpg)**KetoBM Blood Ketone Meter Kit for Keto Diet Testing - Complete Test Kit with Monitor Strips Lancing Device & Lancets**KetoBM**£28.93**4.1★4,638 rev](https://www.amazon.co.uk/dp/B07QWMM4M6) [3![GoChek Diabetes Test Kit Blood Sugar Tester with Ketone and Hypo Warning 450 Memory Blood Glucose Monitor with Test Strips*50 and Lancet*50 -in mmol/L](https://m.media-amazon.com/images/I/51N89iPU3RL.jpg)**GoChek Diabetes Test Kit Blood Sugar Tester with Ketone and Hypo Warning 450 Memory Blood Glucose Monitor with Test Strips*50 and Lancet*50 -in mmol/L**FoviFlxy**£13.76**4.5★1,027 rev](https://www.amazon.co.uk/dp/B094MW4G9N) [4![VivaChek Diabetes Test Kit Blood Sugar Monitor with Ketone and Hypo Warning 900 Memory Blood Glucose Monitor with Test Strips x 50 and Lancet x 50 -in mmol/L](https://m.media-amazon.com/images/I/51dz2HpQuZL.jpg)**VivaChek Diabetes Test Kit Blood Sugar Monitor with Ketone and Hypo Warning 900 Memory Blood Glucose Monitor with Test Strips x 50 and Lancet x 50 -in mmol/L**FoviFlxy**£14.77**4.5★3,290 rev](https://www.amazon.co.uk/dp/B08L9FDDDT) [5![Ketone Breath Meter High Accuracy Ketone Breath Analyzer Newly Upgraded Ketone Tester for Tracking Your Ketones Level of Ketosis on Low carb Ketogenic or Any Nutrition & Fitness Program](https://m.media-amazon.com/images/I/31LieeCNT0L.jpg)**Ketone Breath Meter High Accuracy Ketone Breath Analyzer Newly Upgraded Ketone Tester for Tracking Your Ketones Level of Ketosis on Low carb Ketogenic or Any Nutrition & Fitness Program**Gemusve**£42.60**1.7★5 rev](https://www.amazon.co.uk/dp/B0GQRQGZS1)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Ketone Meter Professional Advanced Digital Ketone Analyzer & Ketosis Tester Instant Results Portable Breath Tester for Ketosis Testing with 10 Mouthpieces Easy-to-Use (White)](https://m.media-amazon.com/images/I/41fVh6ycsbL.jpg)**Ketone Meter Professional Advanced Digital Ketone Analyzer & Ketosis Tester Instant Results Portable Breath Tester for Ketosis Testing with 10 Mouthpieces Easy-to-Use (White)**SOYAA**£33.65**4 rev1mo ago](https://www.amazon.co.uk/dp/B0GLPKT84J) [![Ketone Breath Meter High Accuracy Ketone Breath Analyzer Newly Upgraded Ketone Tester for Tracking Your Ketones Level of Ketosis on Low carb Ketogenic or Any Nutrition & Fitness Program](https://m.media-amazon.com/images/I/31LieeCNT0L.jpg)**Ketone Breath Meter High Accuracy Ketone Breath Analyzer Newly Upgraded Ketone Tester for Tracking Your Ketones Level of Ketosis on Low carb Ketogenic or Any Nutrition & Fitness Program**Gemusve**£42.60**5 rev1mo ago](https://www.amazon.co.uk/dp/B0GQRQGZS1) [![On Call Ketone Testing Starter Pack - Everything Needed To Start Measuring Ketones & Monitor Ketosis At Home (25 Tests 100 Lancets Lancing Device And Meter)](https://m.media-amazon.com/images/I/51DFCNt0nRL.jpg)**On Call Ketone Testing Starter Pack - Everything Needed To Start Measuring Ketones & Monitor Ketosis At Home (25 Tests 100 Lancets Lancing Device And Meter)**Valuemed**£40.35**3 rev7mo ago](https://www.amazon.co.uk/dp/B0G6LYX6X1) [![MicroTech Blood Sugar Monitor Kit 50 Strips & Lancets No Coding 500 Memroy Storage Ketone and Hypo Warning Wider HCT for Family (mmol)](https://m.media-amazon.com/images/I/51oby1ZPM+L.jpg)**MicroTech Blood Sugar Monitor Kit 50 Strips & Lancets No Coding 500 Memroy Storage Ketone and Hypo Warning Wider HCT for Family (mmol)**MicroTech**£12.71**211 rev1y ago](https://www.amazon.co.uk/dp/B0F28J2VGD) [![Ketone Breath Meter High Accuracy Ketone Breath Analyzer Newly Upgraded Ketone Tester for Tracking Your Ketones Level of Ketosis on Low carb Ketogenic or Any Nutrition & Fitness Program](https://m.media-amazon.com/images/I/31LieeCNT0L.jpg)**Ketone Breath Meter High Accuracy Ketone Breath Analyzer Newly Upgraded Ketone Tester for Tracking Your Ketones Level of Ketosis on Low carb Ketogenic or Any Nutrition & Fitness Program**Gemusve**£44.58**39 rev1y ago](https://www.amazon.co.uk/dp/B0H4G7WLPJ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Ketone Breath Meter High Accuracy Ketone Breath Analyzer Newly Upgraded Ketone Tester for Tracking Your Ketones Level of Ketosis on Low carb Ketogenic or Any Nutrition & Fitness Program](https://m.media-amazon.com/images/I/31LieeCNT0L.jpg)**Ketone Breath Meter High Accuracy Ketone Breath Analyzer Newly Upgraded Ketone Tester for Tracking Your Ketones Level of Ketosis on Low carb Ketogenic or Any Nutrition & Fitness Program**Gemusve**£44.58**4.8★**▲ 365%**](https://www.amazon.co.uk/dp/B0H4G7WLPJ) [![SOYAA Ketone Breath Meter Digital Keto Tester for Fasting Routine](https://m.media-amazon.com/images/I/41QSYeLt94L.jpg)**SOYAA Ketone Breath Meter Digital Keto Tester for Fasting Routine**SOYAA**£33.64**4.7★**▲ 362%**](https://www.amazon.co.uk/dp/B0GYRS3XYR) [![Ketone Breath Meter High Accuracy Ketone Breath Analyzer Newly Upgraded Ketone Tester for Tracking Your Ketones Level of Ketosis on Low carb Ketogenic or Any Nutrition & Fitness Program](https://m.media-amazon.com/images/I/31LieeCNT0L.jpg)**Ketone Breath Meter High Accuracy Ketone Breath Analyzer Newly Upgraded Ketone Tester for Tracking Your Ketones Level of Ketosis on Low carb Ketogenic or Any Nutrition & Fitness Program**Gemusve**£42.60**1.7★**▲ 361%**](https://www.amazon.co.uk/dp/B0GQRQGZS1) [![On Call Ketone Testing Starter Pack - Everything Needed To Start Measuring Ketones & Monitor Ketosis At Home (25 Tests 100 Lancets Lancing Device And Meter)](https://m.media-amazon.com/images/I/51DFCNt0nRL.jpg)**On Call Ketone Testing Starter Pack - Everything Needed To Start Measuring Ketones & Monitor Ketosis At Home (25 Tests 100 Lancets Lancing Device And Meter)**Valuemed**£40.35**4.2★**▲ 156%**](https://www.amazon.co.uk/dp/B0G6LYX6X1) [![Ketone Meter Professional Advanced Digital Ketone Analyzer & Ketosis Tester Instant Results Portable Breath Tester for Ketosis Testing with 10 Mouthpieces Easy-to-Use (White)](https://m.media-amazon.com/images/I/41fVh6ycsbL.jpg)**Ketone Meter Professional Advanced Digital Ketone Analyzer & Ketosis Tester Instant Results Portable Breath Tester for Ketosis Testing with 10 Mouthpieces Easy-to-Use (White)**SOYAA**£33.65**3.4★**▲ 151%**](https://www.amazon.co.uk/dp/B0GLPKT84J)

**~~View all trending →~~**

## **What buyers say about ketone meter**

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

### **What buyers love **

**Ease Of Use**31%

*“This test kit is easy to use”*

**Quality-Overall**17%

*“Good reliable piece of equipment”*

**Value For Money**15%

*“It's reasonably priced”*

**Advertised Vs Actual Product**8%

*“It is just as advertised”*

**Efficiency**5%

*“Very efficient”*

**Instructions/User Manual/Troubleshooting**4%

*“Lots of useful info included”*

**Touch/Button Controls**1%

*“Two buttons for so many functions”*

**Strength**1%

*“Effective machine”*

**Urinary Bladder Health**1%

*“These urine test strips work”*

**Accuracy-Overall**1%

*“Love these very accurate:-)”*

### **What buyers complain about **

**Value For Money**22%

*“Too expensive to be faulty like this”*

**Functionality-Overall**17%

*“Nothing comes up on the screen”*

**Quality-Overall**15%

*“Poor quality control”*

**Instructions/User Manual/Troubleshooting**10%

*“instructions poor”*

**Measurement/Reading Accuracy**6%

*“I tried every time to do multiple readings which is harder than it should be because the 90 count down to 'preheat' the sensor must be done every single time”*

**Color**6%

*“Not impressed, never changed colour, at any time”*

**Color Fading/Discoloration**3%

*“Discoloured and doesnt work, no response from seller”*

**Durability**3%

*“Doesn't last long”*

**Advertised Vs Actual Product**2%

*“This product is NOT nhs approved its false advertising”*

**Blood Sugar Level**2%

*“from a sealed pack there is a glucose test strip missing”*

### **Top return reasons **

**Functionality-Overall**43%

**Defective Material/Parts**11%

**Advertised Vs Actual Product**6%

**Measurement/Reading Accuracy**5%

**Display-Overall**4%

**Instructions/User Manual/Troubleshooting**4%

**Assembly/Installation**3%

**Compatibility-Overall**3%

**Ease Of Use**3%

**Value For Money**2%

## **Common questions**

<dl>

<dt>**Is ketone meter profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £133K/yr across 19 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -19.4%. Flapen's verdict: Worth a look (50/100).</dd>

<dt>**How competitive is the ketone meter niche?**</dt><dd>13 brands and 33 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 79% of demand.</dd>

<dt>**What do buyers complain about in ketone meter?**</dt><dd>Top complaints mined from reviews: Value For Money, Functionality-Overall, Quality-Overall. The return rate is 1.1%.</dd>

<dt>**When does demand for ketone meter peak?**</dt><dd>Demand peaks in Jan–Feb–Nov; the busiest month runs 2.1× the quietest.</dd>

<dt>**What does it cost to enter the ketone meter niche?**</dt><dd>Listings span £5.93–£49.83; the average listing price is £26.52 (sweet spot $15–$100). The average incumbent carries 1,830 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)