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Trust score 8/100
Accepting new patients
Marcela Fiuza
Nutritionist
English
Portuguese
1,503+
Patients seen
5
Years in practice
14
Publications
2
Languages spoken
About
Registered Dietitian | Specialist in Metabolic Health and Nutrition
Ms Marcela Fiuza is a distinguished Registered Dietitian based in London, specialising in metabolic health and personalised nutrition. With over 10 years of experience across the NHS and private practice, she provides expert nutritional advice tailored to her patients' individual needs and goals.
Ms Fiuza’s clinical expertise includes managing conditions such as overweight and obesity, type 2 diabetes, pre-diabetes, heart disease, perimenopause and menopause, polycystic ovary syndrome (PCOS), fertility, gastrointestinal disorders (e.g., irritable bowel syndrome - IBS), and disease-related malnutrition.
She takes a holistic and empathetic approach to treatment, addressing all aspects of a patient’s lifestyle to deliver sustainable, long-term health improvements. By creating personalized, evidence-based nutrition plans, Ms Fiuza empowers her patients to take control of their health and achieve lasting results.
Ms Fiuza is a respected voice in the field of dietetics and regularly appears in the media as a nutrition expert, featuring on BBC, ITV, and Channel 4. She has been recognized as the British Dietetic Association’s Media Spokesperson of the Year, reflecting her commitment to raising public awareness about the importance of good nutrition.
In addition to her clinical work, Ms Fiuza is a published author and researcher, staying at the forefront of advancements in nutrition science to ensure her patients benefit from the most up-to-date and effective care.
For clinical dietitian appointments and enquiries please visit Ms Fiuza's website (marcelanutrition.com) and check out her Linkedin profile.
Ms Marcela Fiuza is a distinguished Registered Dietitian based in London, specialising in metabolic health and personalised nutrition. With over 10 years of experience across the NHS and private practice, she provides expert nutritional advice tailored to her patients' individual needs and goals.
Ms Fiuza’s clinical expertise includes managing conditions such as overweight and obesity, type 2 diabetes, pre-diabetes, heart disease, perimenopause and menopause, polycystic ovary syndrome (PCOS), fertility, gastrointestinal disorders (e.g., irritable bowel syndrome - IBS), and disease-related malnutrition.
She takes a holistic and empathetic approach to treatment, addressing all aspects of a patient’s lifestyle to deliver sustainable, long-term health improvements. By creating personalized, evidence-based nutrition plans, Ms Fiuza empowers her patients to take control of their health and achieve lasting results.
Ms Fiuza is a respected voice in the field of dietetics and regularly appears in the media as a nutrition expert, featuring on BBC, ITV, and Channel 4. She has been recognized as the British Dietetic Association’s Media Spokesperson of the Year, reflecting her commitment to raising public awareness about the importance of good nutrition.
In addition to her clinical work, Ms Fiuza is a published author and researcher, staying at the forefront of advancements in nutrition science to ensure her patients benefit from the most up-to-date and effective care.
For clinical dietitian appointments and enquiries please visit Ms Fiuza's website (marcelanutrition.com) and check out her Linkedin profile.
“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”
— Marcela Fiuza
Education & training
-
2011–2017 MD · Medicine and Surgery
-
2017–2021 Residency · Nutritionist
Career & appointments
-
2021-09–2022-08 Junior consultant
Licenses & insurance
Medical licenses
— Organización Médica Colegial de España (OMC)
Board certifications
European Board of Nutritionist
Malpractice insurance:
Generali Healthcare · 5,000,000 EUR coverage
· No claims on file
Procedures performed
| Procedure | Code | Lifetime count |
|---|---|---|
| GP consultation | 99213 | 2,012 |
| Annual physical exam | 99395 | 1,554 |
| Vaccination administration | 90471 | 234 |
| Minor procedure (skin) | 17110 | 2,629 |
Services & pricing
| Service | Duration | Modality | Price |
|---|---|---|---|
| New patient consultation (60m) | 60 min | in_clinic|telemed | 180.00 EUR |
| Follow-up consultation (30m) | 30 min | in_clinic|telemed|phone | 90.00 EUR |
| Vaccination administration | 60 min | in_clinic | 540.00 EUR |
| Minor procedure (skin) | 90 min | in_clinic | 810.00 EUR |
Office, team & in practice
Videos
Research & publications
h-index: 7 · i10: 7
-
Validation of clinical scoring in Nutritionist
DOI: 10.9056/euroclin.2026.0 · PMID: 31392449 · cited by 196
-
Long-term follow-up of Nutritionist across
DOI: 10.9235/euroclin.2025.1 · PMID: 35529504 · cited by 110
-
Validation of clinical scoring in Nutritionist
DOI: 10.7459/euroclin.2024.2 · PMID: 31416734 · cited by 152
Invited talks
- Practical updates in Nutritionist European Annual Congress (Nutritionist) · Vienna · 2024 · invited
- Single-centre experience in Nutritionist National Society Meeting · · 2023 · oral abstract
Awards & memberships
Awards
- 🏆 Top-rated Nutritionist — · EuroClinics Patient Choice · 2025 · regional
Society memberships
- WONCA Europe — Family Doctors — Member · since 2022
- national college of family doctors — Member · since 2022
- European Union of Medical Specialists (UEMS) — Member · since 2022
Patient reviews
- Bedside Manner
- 0.05
- Knowledge
- 0.08
- Wait Time
- 3.80
- Staff Friendliness
- 0.02
- Ease Of Appointment
- 4.00
- Value For Money
- 4.10
- Would Recommend Pct
- 4
-
★ 5 verified visit
“Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.”
-
★ 5 verified visit
“Took time to listen and reviewed all my previous results. I would absolutely recommend.”
-
★ 4 verified visit
“Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.”
Articles by this doctor
- Patient education Patient guide to Nutritionist
- Awareness When should you see a nutritionist?
For international patients
- Coordinator
- Patient liaison · marcela.fiuza@euroclinics.example
