Membership · from £600 a month

Measure, change, measure again.

A single Assessment tells you where you stand. Membership tells you whether what you changed is working: two full days a year, bloods every three months, and a physician who knows your numbers by heart.

62%

Renew for a second year

3 weeks

Average wait for a first day

The DEXA table at Assay, ready for a body composition scan

Visceral fat

Retest

540

g

−32% since March

Optimal

(01) Two ways in

Start with a day. Stay for the year.

Most members start with a single Assessment and move to membership after their first reading. The cost of the first day comes off the year.

The Assessment

For a single, complete baseline.

£3,450

once

The full day, all 41 measurements

A 64-page report within 21 days

An hour with your physician

A written plan for the next year

Breakfast and lunch in the library

Membership

Most chosen

For people who want to measure, change and measure again.

£7,200

per year · or £600 a month

Two full Assessments a year

A blood panel every three months

A named physician, replies within a day

Training plan from our physiologist

Targeted retests when something moves

(02) What’s included

A year of membership, in six parts.

Twice a year

Two Assessments

The full day in spring and autumn, so every change has a before and an after.

Twice a year

Two Assessments

The full day in spring and autumn, so every change has a before and an after.

Every 3 months

Quarterly bloods

A 20-minute visit for ApoB, HbA1c, insulin, hs-CRP, liver and kidneys. Results in 48 hours.

Every 3 months

Quarterly bloods

A 20-minute visit for ApoB, HbA1c, insulin, hs-CRP, liver and kidneys. Results in 48 hours.

Within a working day

A named physician

Message the doctor who read your scans. No call centre, no rotating locums.

Within a working day

A named physician

Message the doctor who read your scans. No call centre, no rotating locums.

Reviewed monthly

A training plan

Written by Sam Okoro around your VO2 max, strength and DEXA, and adjusted after every retest.

Reviewed monthly

A training plan

Written by Sam Okoro around your VO2 max, strength and DEXA, and adjusted after every retest.

When something moves

Targeted retests

If a number changes, we measure it again: an ultrasound, a DEXA, a sleep study. Included.

When something moves

Targeted retests

If a number changes, we measure it again: an ultrasound, a DEXA, a sleep study. Included.

Once a year

A family day

Bring a partner, parent or adult child for a full Assessment at the member rate.

Once a year

A family day

Bring a partner, parent or adult child for a full Assessment at the member rate.

(03) Compare

Side by side.

Prices include VAT where it applies. Membership renews yearly and can be cancelled after the first year.

Included

The Assessment

Membership

Included

The Assessment

Membership

Full Assessment, 41 measurements

Once

Twice a year

Full Assessment, 41 measurements

Once

Twice a year

64-page report and physician review

One

Two, plus a mid-year note

64-page report and physician review

One

Two, plus a mid-year note

Blood panel

With your Assessment

Every three months

Blood panel

With your Assessment

Every three months

Named physician by message

For 30 days after your review

All year, replies within a working day

Named physician by message

For 30 days after your review

All year, replies within a working day

Training plan

Written once

Written and reviewed monthly

Training plan

Written once

Written and reviewed monthly

Targeted retests

At cost

Included

Targeted retests

At cost

Included

Family day

—

One guest a year at the member rate

Family day

—

One guest a year at the member rate

Price

£3,450 once

£7,200 a year or £600 a month

Price

£3,450 once

£7,200 a year or £600 a month

(04) Members

In their words.

Demo testimonials. Replace them with your own before you publish.

CD

Claire D. · member since 2024

I booked the day because my father had a stroke at 58, and I’m 47. Six months later my visceral fat was down by a third.

MT

Mark T. · member since 2023

The quarterly bloods are the part I’d miss. I changed one thing at a time and could see which one actually worked.

PS

Priya S. · member since 2025

I came for the MRI and stayed for Sam. My VO2 max went from 31 to 38 in a year, and I can feel every point of it.

(05) Questions

About membership.

Still deciding? Come and see the house on a Thursday evening.

Can I start with a single Assessment?

Can I pay monthly?

What if I move or travel a lot?

Who is my named physician?

Is membership a replacement for my GP?

Can I pause membership?

Membership

Your first year starts with one day.

Book an Assessment now. If you join within 60 days, its cost comes off your membership.

£7,200 a year · or £600 a month

Membership

Your first year starts with one day.

Book an Assessment now. If you join within 60 days, its cost comes off your membership.

£7,200 a year · or £600 a month

Membership

Your first year starts with one day.

Book an Assessment now. If you join within 60 days, its cost comes off your membership.

£7,200 a year · or £600 a month

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