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Executive Health Testing & Performance Diagnostics in London

A Harley Street-based executive health clinic for high-performing professionals seeking clarity, control and measurable improvements in energy, body composition and long-term health.

Led by Rick Miller, HCPC-registered Dietitian specialising in metabolic health and performance diagnostics

Based at 25 Harley Street London

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What Is Executive Health Testing?

Executive health testing is a structured diagnostic approach combining DEXA body composition analysis, blood biomarkers and metabolic assessment to identify the physiological factors influencing energy, body composition and long-term health.

At Miller Health, these assessments are conducted at 25 Harley Street in London and interpreted by HCPC-registered dietitians to guide personalised health and performance strategies.

How the Miller Health
Process Works

Step 1

Explore:
Executive Health Assessment  
 
Clinical-grade DEXA and advanced blood analysis to establish your metabolic and hormonal baseline.

Step 2

Engage:
Hybrid Performance Coaching

 
Structured nutrition and metabolic strategy delivered by HCPC-registered Dietitians, primarily online with optional in-person support

Step 3

Executive:
Health
Optimisation

 
 
Long-term, discreet health strategy designed for sustained performance, resilience and longevity.

Start with Objective Data

All meaningful health optimisation begins with accurate measurement.

Without diagnostic clarity, strategy becomes guesswork.

Executive Health Services

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Diagnostics & Assessment

DEXA scans, metabolic tests, blood and hormone panels and more

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Performance Coaching

Nutrition, lifestyle and executive resilience strategies

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Executive Optimisation

All-inclusive support bespoke to your needs.

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Clinical & Medico-Legal Services

For individuals requiring clinical dietetic support for medical conditions, paediatric nutrition or medico-legal expert witness services, these are delivered through Rick Miller Dietitian a specialist clinical and expert witness practice.

Trusted by High-Performing Professionals

"I have gone through the Explore Tests with Rick and it has been very insightful, the tests tell you a lot about your overall health and metabolism but it is amazing how they can correlate your current metabolic function with your personality traits, showing how complex human beings can be. Really worth it and Rick always ready to answer your questions"
David - 5 Star Review Google

David De Freitas

2025-02-07

I have gone through the Explore Tests with Rick and it has been very insightful, the tests tell you a lot about your overall health and metabolism but it is amazing how they can correlate your current metabolic function with your personality traits, showing how complex human beings can be. Really worth it and Rick always ready to answer your questions

Randel Domingos

2024-05-26

So far so good only given a 4 star as its just the beginning and I know the is more to come so i couldnt give A 5 star yet I was in search of a nutritionist as I was no longer in contact with my previous nutritionist and not eating healthy prior to this. One key attribute I noticed about miller and everton is their quick response time. An example of this would be when I tried to contact them but I didn’t get an answer. However, after like 15 minutes they called me back and asked when I wanted a free zoom call with them after a quick chat. During the zoom call I was able to ask whatever questions I had in my mind. In addition, I was able to further follow up with emails and a call as I still had questions and concerns about their services in which they would respond back to me really quickly. This was beneficial to me as it showed me that they were able to open up to me, listen and reassure me about their services which are some attributes I admire. Before coming for the 1v1 initial test and consultation, Rick Miller emailed me about what I should do to prepare myself for the test which gave me an indication that the organisation had some sort of standards about themselves. Furthermore, when I arrived at the consultation he greeted me and explained everything whilst helping me set up for the test which made me feel at ease whilst doing the metabolic test. After the test he explained one of my results that was available at that time and talked about my meal plan, goal, work life and some interesting facts about food. Also, he mentioned that if I had any questions I could email him as I couldn't quite think of anything at that time as most of my questions were already answered during the zoom call, email and phone. Overall, I believe the initial consultation was good as I felt comfortable to be myself. Rick Miller did mention to me that I was able to email him as many times I wanted to if I had any more questions, however if it was too many questions then he stated that I should book another consultation. An example of this is when I had a problem with my meal plan and I opted to contact rick miller which was quite useful as it was my first time tasting the meals recommended by him but it wasn't quite suited to my preference (flavours meals). Therefore, he stated that I can have a 15 minute call to have more clarity about the problem and to email him afterwards about the problems I had with the meals and what I preferred. This was beneficial as he was able to tweak my meals to my preference free of charge which made me really happy as I did pay a lot for their services and I was quite disappointed with the first meal plan due to different reasons such as the taste and my financial situation at that time.

Aaron Shield

2024-02-18

It was my new years plan to get my blood work done and reviewed, I know I can trust jack & Rick as I’ve previously worked with them and got in the best shape I’ve ever been in.. this time around the goal was different as I want to achieve as close to perfect health as possible. They reviewed my blood work, gave a video covering everything. What was good, what could be better, what needs to be better etc.. explanation on why the results were as they were, explanations on how to improve. Methods to implement and so on.. I feel extremely satisfied I got exactly what I wanted. Would 100% recommend.

Jonathan Gold

2024-01-09

I've known Rick Miller for many years and he's always provided an outstanding service and shown a level of care that goes above and beyong anything I've experienced with any other medical practitioner. I recently needed his help with a long standing problem and what Rick has done for me has been lifechanging. After suffering for years I was finally diagnosed with SIBO by a gastroenterologitsts. I followed his protocol but ended up dependant on a large amount of laxatives daily and had reached a point where many failed rounds of antibiotics had left me back to where I started in terms of symptoms. I was facing being stuck in this situation for life and the doctor didn't have an answer. I booked a call with Rick and and he laid out a simple protocol that involved a temporary dietary change, some simple lifestyle changes and a slow tapering off of the laxatives. 5 months later and I'm now completely off of the laxatives and virtually symptom free. I went from feeling like I was stuck with this awful problem for life to being completely free of it and I owe it all to Rick. He was with me every step of the way and always available to answer questions and share his wealth of knowledge as we went along. I can't recommend Rick highly enough. Something so simple that we all take for granted is eating and digestion. When that becomes the bane of your existence it really impacts your quality of life. Rick got that quality back for me and for that I am eternally grateful.

Sam Bright

2023-12-24

You’ll not find knowledge like it elsewhere. Rick & Jack offer much more than your average coaching package. The importance of progression and life long health is the top priority for these guys. The depth of knowledge will help you make huge positive improvements in life, not just in the gym. The service Miller & Everton offer is not something you often come by and I recommend these guys massively!

4.5/5

Rating

Based on

Google

4.5/5

based on

Rating

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Not Sure Where to Start?

Take the Executive Health Audit

Why Do High-Performing Professionals
Get Executive Health Assessments?

High-performing professionals often use executive health assessments to identify early physiological changes affecting energy, body composition and long-term health.

These assessments combine advanced diagnostics, metabolic analysis and personalised interpretation, providing a structured understanding of how lifestyle, stress and physiology interact.

The goal is not simply to detect disease but to optimise health, performance and longevity.


Subtle Performance Decline
Isn’t Normal


Low energy despite training
 
Stubborn abdominal fat
 
Brain fog under pressure
 
Concern about testosterone
 
Unexplained metabolic changes
 
You don’t need another generic plan.

You need diagnostic clarity 

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Ready to Optimise Your Health?

Book your Executive Health Assessment today.

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