Better nutrition. Better health. Better you.
Evidence-based nutrition and lifestyle advice, delivered with care to achieve the ideal outcome for your health through small changes in your nutrition and lifestyle.


Diet Philosophy
Private clinical dietetics in the United Kingdom
Diet Philosophy is the private clinical practice of Dr Xenofon Tzounis, RD, PhD, a registered dietitian working across the NHS and privately. I provide evidence-based and judgement-free nutrition advice for adults, with a focus on fulfilling my key philosophy:
“To assist you through small changes in your nutrition and lifestyle to achieve the best possible outcome for your health.”
Independent private practice – not affiliated with NHS care.
“Let food be thy medicine and medicine be thy food.” Hippocrates
years in weight management
specialist clinical areas
personalised consultations
Specialities
Clinical areas I support
Each area is delivered with the same patient-centred approach: a careful clinical assessment, a personalised plan, and reviews that aim to achieve the best possible outcome.
Considering improving your nutrition and lifestyle?
The Diet Philosophy approach
Personalised nutrition and lifestyle advice
Free enquiry call
A short telephone or video call to talk through your needs and agree the right appointment and format for you.
Understand the whole picture
A detailed medical history, medication, blood results, lifestyle, culture and dietary habits, not just a food diary.
Set realistic, measurable goals
Personalised, solution-oriented goals agreed together, alongside any care from your GP, consultant or surgical team.
Plan, review, refine
Structured reviews on request. Most people need one to three follow-ups, and plans evolve as your life and clinical picture change.
our testimonials
What Our Patients Are Saying About Us
Thanks to a balanced diet, my mind has become sharper, allowing me to excel in all aspects of life.

Patient
Nutrition revolutionized my health, granting me renewed energy and vitality I never thought possible.

Patient
Digestive issues that plagued me for years have vanished, leaving me feeling lighter and more comfortable.

Patient
Nourishing my body has not only helped me shed excess weight but also boosted my self-confidence.

Patient
My skin now glows with a natural radiance, reflecting the nourishment I provide from within.

Patient
Fueling my muscles with the right nutrients has transformed my physical strength and endurance.
Latest updates
Educational updates
GLP-1 medications and dietary support
Patients starting GLP-1 medications often experience reduced appetite, early satiety and...
Low-FODMAP: the importance of reintroduction
The low-FODMAP diet is a short-term diagnostic tool, not a long-term...
Mediterranean-style eating after a cardiac event
Mediterranean-style dietary patterns continue to be associated with favourable cardiovascular outcomes...
Protein and resistance training in menopause
Falling oestrogen contributes to changes in body composition and bone density....
These updates are educational summaries, not clinical recommendations, and are not personalised to you. Read the full disclaimer · See all updates
Alexander StonePatient