Family-run, doctor-led
preventative health

Home of 7 Simple Checks

An annual check of the fundamentals for long-term health

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Where to start

Two ways to get started

Most people start here.

7 Simple Checks

An annual blood test covering the health fundamentals that matter most.
As natural as 10,000 steps.
Includes ongoing membership benefits.

Ideal for fast answers to specific questions.

Health Tests

One-off tests focused on specific areas of health. Includes gut, hormone & metabolic health.
Choose from blood, stool and breath tests, with fast results and clear doctor-written reports.
Putting You First

There's a reason so many people trust Selph with their health

Doctor-led

Run by doctors, not managers.

Family-run

We treat people like people - not tickets or transactions.

Human support

Rapid answers when you need them.

Evidence-informed

Using the evidence but not constrained by it.

Our Experts

Led by expert doctors with decades of experience

Dr Claire Merrifield MRCGP PhD

“ Preventative, proactive healthcare

I left the NHS to set up a company that's about preventative, proactive healthcare. We need to stop waiting for illness to just happen to us. Your health is the most precious gift you'll ever have. Selph can help you take care of it."

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Dr Claire Merrifield MRCGP PhD

Our Medical Director

Dr Alasdair Scott FRCS PhD

“ Let's stop being "normal"

Traditional healthcare wants us to be "normal". But normal people get heart disease, cancer and dementia. So let's forget about normal. Selph can not only show you what optimal health looks like, we can help you get there."

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Dr Alasdair Scott FRCS PhD

Our Science Director

We've got the stats to back it all up.

When it comes to health, you want to know you’re in safe hands. We’ve got decades of experience, and we’ve got the stats to prove it.

20+

Years in healthcareWoman walking dog illustration

65,000+

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1 million+

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2 million+

Tests reportedOlder man working out illustration

Our Privacy Promise

Your health is yours. It's personal. That's why we're committed to keeping your data safe and secure. Here's how we do it:

We use anonymous packaging.
Only the analyses you request are performed on your samples.
Your GP won't see your results unless you want them to.
Your data is safe from insurance companies.

See our Privacy Policy and our Terms of Service for more info.