Expert Witness Dietitian & Private Dietitian in London
Trusted Clinical Nutrition Support for Adults, Children and Legal Cases
I’m Rick Miller, a HCPC-registered dietitian with over 15 years of experience across NHS hospitals, private practice and medico-legal expert witness work.
Based in London’s Harley Street medical district, I provide evidence-based nutrition support for adults and children, as well as independent expert reports for solicitors and courts.

How Can I Help You?
Clinical Dietitian Services
For adults and children requiring evidence-based nutrition support for medical conditions, digestive health, neurological conditions including brain injury or recovery following illness or injury.
Consultations are personalised, clinically grounded and designed to integrate into real life

Clinical Nutrition areas
I support for Adults
Digestive disorders including IBS, reflux, bloating and complex gastrointestinal conditions
Metabolic health including diabetes, cholesterol and cardiovascular risk
Weight management and body composition changes related to health or medical treatment
Nutrition support during illness, recovery or neurological injury (including brain injury)
Enteral and parenteral feeding support including nasogastric feeding, PEG feeding and Total Parenteral Nutrition (TPN)
Men’s health including metabolic and hormone-related nutrition


Paediatric Dietitian Services
Children often experience feeding or nutrition challenges that require specialist support.
I work with families to provide clear, practical guidance that supports healthy growth and development for their children.
My aim is to help children thrive while giving parents confidence managing nutrition at home.
Common areas of paediatric nutrition I support:
Faltering growth and feeding difficulties
Food allergies and intolerances
Autism-spectrum disorder related feeding challenges
Tube feeding and complex nutrition support
Brain injury and neurological conditions (eg. ketogenic diets for epilepsy)
Paediatric and adolescent eating disorders
Childhood digestive issues
Sports nutrition for youth sport and athletes
Sports
Dietitian Expert Witness in Clinical Nutrition
In addition to clinical work, I provide independent expert witness reports in cases involving clinical nutrition and malnutrition in the UK and internationally.
Solicitors and courts instruct me to review medical records, assess standards of care and provide impartial opinion in nutrition-related clinical negligence cases.
I provide independent expert witness opinion in matters relating to clinical nutrition across civil litigation, personal injury, family proceedings and criminal cases.
Reports are prepared in accordance with the relevant court rules, including CPR Part 35 and the duties of expert witnesses across civil, family and criminal proceedings.
Areas of medico-legal expertise:
Failure to recognise or manage malnutrition in hospitals or care settings
Failure to perform or act on MUST (Malnutrition Universal Screening Tool) assessments
Failure to monitor weight, nutritional intake or nutritional decline
Mismanagement of refeeding syndrome risk and prevention
Inappropriate or delayed dietetic referral
Complications relating to enteral feeding (nasogastric or PEG feeding)
Complications relating to parenteral nutrition (TPN)
Faltering growth, failure to thrive or feeding difficulties in paediatrics
Nutrition management following neurological injury or complex illness
Nutritional care in clinical negligence or catastrophic injury cases
Instructions may include screening reports, full reports, joint statements and court attendance where required.


Why Patients, Doctors and Solicitors
Work With Me
HCPC-registered dietitian in London and Gibraltar
15 years clinical nutrition experience
NHS hospital and private practice background
Bond Solon Civil Law Certified expert witness
Experience across paediatric and adult clinical nutrition
Based in London’s Harley Street medical district
5-Star Rated on Google
Trusted by leading doctors and legal professionals
Trusted by Patients, Doctors & Solicitors
Verified reviews from patients, clinicians and legal professionals who have received support

Vik Jain
5* Review Google
"Rick truly changed my life. He helped me understand how important my diet is and gave me the tools to take control of it, putting me on the path to lasting, life-changing results. I can’t thank him enough!"

Martin Geller
5* Review Google
"Rick has found a curable pathway for a stubborn case of IBS, which none of many reputable professionals I had seen was able to identify. For that alone, I am grateful to him."

Dr Martin Saweirs, GP
5* Review Google
"Rick has helped improve my psoriasis and ichthyosis. He has offered both diet and lifestyle changes which have both been beneficial"

Dr Laura Quinton, GP
"Rick is a fantastic dietitian. He has a genuine caring and holistic approach."

Dr Amarjit Raindi, GP
"Rick is an excellent dietitian, extremely knowledgeable with a passion for his speciality."

Dr Martin Saweirs, GP
"Rick has been a great colleague and a great source of support for my patients."
Instructing Solicitor
Hospital Malnutrition Case
"Clear, structured and highly reliable expert reports. Mr Miller has a strong ability to interpret complex clinical nutrition issues in a way that is accessible to the court."
Instructing Solicitor
Brain Injury Case

