The path to your happiest healthiest self

A complete mental health assessment, actionable next steps, and an accurate measure of stress in your body.

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Harper Cortisol Kit
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Trusted by teams at

Harper is backed by cutting edge science

We lead the world’s most advanced research program on mental health and stress at our Precision Mental Health Lab in collaboration with scientists from

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Meet the best way to measure your wellbeing. A healthy lifestyle is all about knowing yourself.

Build a mental health profile completely unique to you

Use our clinically proven approach to create a mental health persona that’s tailored exclusively to your sense of wellbeing.

Measure the exact amount of stress in your body

Use our test kit to measure how much of the stress hormone cortisol is in your body.

You can use this to validate if the stress you feel is equal to the stress you have.

Make a difference with actionable insights

Our report will use your body chemistry and results to create a score for every facet of your wellbeing; areas like focus, anxiety and depression.

Each section provides advice tailored to you on how to look after yourself built around the way you like to live.

What the science says
Monitoring and managing your mental health is the key to being happier and healthier for longer.

Theodore D Cosco, PhD CPsychol

Chief Scientist, Harper

Professor of Mental Health & Ageing, Precision Mental Health Lab, Simon Fraser University; Research Fellow , Oxford Institute of Population Ageing, University of Oxford.

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