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Measure. Motivate. Sustain.

Your Personal Health Plan is Just a Breath Away

Say goodbye to finger pricks and hello to taking charge of your health. 
Tracking your ketone production no longer requires a painful, invasive, and expensive finger prick.


We are a health technology company that delivers essential individualized biometric feedback that is as accurate, more reliable, and with greater frequency of data than the current gold standard…
… at 1/10th the cost.

Hi, We're Metre!


Our founders, Glenn Forrester and Sean Ballard, are launching Metre to tackle the hard engineering problems to provide patients and their doctors personalized and actionable meal-to-meal feedback to effectively use food as medicine.



MetreAce is a scientifically proven, easy-to-use, noninvasive breath acetone measurement device delivering the accuracy and precision of a blood BHB ketone test at a fraction of the cost.
MetreAce pairs with our iOS app to provide a seamless user experience.
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Why Measure Ketones?

Ketogenic diets promote healing and better health, including type 2 diabetes (T2D) reversal, weight loss, and enhanced physical performance. The clearest and easiest way to find out if your diet and exercise plan is getting you into ketosis is to measure your blood ketones. The easiest way to measure blood ketones is to measure the ketones in your breath - exactly the same way that blood alcohol is measured with a breath test.

Just as glucose measurements are critical for diabetes management, ketone measurements are the keystone metric for metabolic health and healing. Painless and inexpensive ketone measurements can provide meal-to-meal metabolic data, enabling the identification of "good" and "bad" foods and help personalize patients' diets for successful healing.


Metre uses proven, patent-protected, technology built on the world’s foremost evidential breath testing devices. Our proprietary algorithms pair with our scientifically accurate device to provide accurate and actionable data to users and their care providers for T2D, weight loss, and general metabolic health.

How MetreAce Works

MetreAce is clinical grade

✓ MetreAce is an easy-to-use, accurate, and scientifically proven, breath acetone measurement device.

Metre uses field-tested, proven technology backed up by patent-protected intellectual property 

✓ At its core, MetreAce is built on the world's leading volatile organic compound (VOC) breath testing platform that has been deployed worldwide in evidentiary applications for over three decades.

Metre innovates with novel approaches to solve difficult engineering challenges

Metre uses technological advancements and proprietary algorithms to provide reliable and accurate scientific measurements.

MetreAce enables a greater frequency of testing, facilitating more reliable feedback and results

MetreAce’s painless and easy-to-use platform allows users on-demand checkups of their metabolic status to see how daily food and activity decisions directly affect their health.

MetreAce provides individualized and actionable data

✓ Our solutions at Metre are never one-size-fits-all. Our device and software respond dynamically to each individual user, empowering them with personalized actionable data that they and their caregivers can use to improve health.

MetreAce is noninvasive and inexpensive

✓ Blood tests are painful and continuous glucose and ketone monitors are invasive. Metre is neither, but it is inexpensive: 1/10th the cost of a blood test!


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