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" With the correct personalised nutritional and lifestyle changes, improved health and wellbeing are always possible. 

My clients show me this every day.

I am grateful for their commitment, courage and curiosity "

Silvia Grisendi

Registered Nutritional Therapist &
Functional Medicine Practitioner

About my work

By applying the functional medicine approach to nutritional therapy, I provide personalised support across a range of health needs, with a special focus on metabolic, hormonal and inflammatory conditions.

 I help my clients understand the root causes of their symptoms, and empower them to create the conditions for health by using bespoke nutritional, lifestyle and mind-body solutions.

PLEASE NOTE: as a holistic therapist and non-medic I do not claim to treat any disease, instead I focus on creating optimal conditions for the body’s own powerful healing abilities to function. 

Aerial View of Curved River

my Background

Following a Masters degree in Molecular Biology and a PhD in Human Oncology, I started my career as a scientist at the Memorial Sloan Kettering Cancer Centre in New York (my publications), and then joined the Nature Publishing Group as an Associate Editor in London, before leaving scientific publishing and qualifying as a Nutritional Therapist at The College of Naturopathic Medicine in London in 2014. 

I continued my education and obtained the NTEC accredited professional training in Nutrition and Cancer in 2016 from the Institute of Optimum Nutrition in London, and completed specialist NTEC approved training in cancer support through Dr Nina Fuller-Shavel's Systems Approach To Cancer course, where the aim is to support clients before, during and after cancer treatment safely and effectively with a whole person systems approach. This type of additional post-graduation training set the standard in cancer nutrition education in the UK.

I have completed my Functional Medicine Practitioner Certification at the Functional Medicine University. I love the opportunity my job gives me to keep developing my knowledge and skills, through both formal learning and research

A Holistic Approach to Health

It was my deep interest in health and the innate intelligence of the human body that guided me to embrace naturopathic clinical practice, after witnessing the extraordinary difference that a holistic natural approach to health and lifestyle can make for individuals suffering with chronic conditions.

After several years in clinical practice, I now understand more than ever how the health of the body is closely intertwined with our mental and emotional health. I understand how, when dis-ease is present, emotional support can be as important as looking after all the crucial physical aspects. So I practice with attention to the person as a whole, looking at the root causes of health issues in all the key aspects of life: body, mind, and spirit. 

Having worked with many clients living with serious illnesses over the years has opened my eyes to a deeper understanding of what we need as human beings in order to ‘heal’.  I believe that each one of us holds the power to true healing, if we are willing to look within and listen to our deepest needs, clear our emotional wounds, and live life from our authentic nature.

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How I Can Help You

As a Nutrition and Functional Medicine practitioner, I provide guidance to individuals who want to prevent disease or maximise their healing potential through targeted nutritional approaches and lifestyle adjustments.

My role is to educate, support and equip you to take charge of your health, so that you become empowered and able to make the specific choices that best suit your recovery and optimise your health and wellbeing.

I work predominantly through 1:1 programmes with clients across the UK and Europe. I also offer group sessions, talks and workshops on various topics concerning health, functional nutrition and physical and mental wellbeing.

I combine over 20 years’ experience in biomedicine with a life-long interest in cancer and holistic health. I maintain a strong passion for integrating the latest advances in Nutritional Science,  Functional Medicine and Epigenetics in my practice, while also continuing my personal and professional development in the fields of Mind-Body Medicine, Mindfulness and Emotional Freedom Techniques (EFT).

Find further information by following the link below:

Qualifications & Skills:

  • Certified Functional Medicine Practitioner
    (FMU CFMP® Certification)

  • Registered Nutritional Therapist (DipCNM, BANT, CNHC)

  • PhD Human Oncology

  • MSc Molecular Biology

  • BSc (Hons) Biological Sciences

  • Certified DNAlife Practitioner

  • Certified Holistic Health Coach

  • EFT (Emotional Freedom Techniques) Practitioner (Trained Level 1 and 2)

Silvia is a member of the British Association for Nutrition & Lifestyle Medicine (BANT), registered with the Complementary and Natural Healthcare Council (CNHC), and a member of the British Society of Integrative Oncology (BSIO) and EFT International (EFTi).


Whole-person programmes to address the following areas of health using Functional Nutrition, Lifestyle Medicine and Mind-Body approaches:

  • Cancer support & prevention

  • Diabetes support & prevention

  • Digestive Health

  • Inflammatory Conditions

  • Managing Stress & Anxiety

  • Hormonal & Metabolic Imbalances

  • Nutrient Deficiencies

  • Cardiovascular Health

  • Managing Genetic Polymorphisms

Education an Development

Continued Education & Development 

  • CFMP® Certification (FMU Functional Medicine Training Program, December 2023)

  • Metabolic Flexibility: Integrative Oncology in Action (The Peat Institute with The Nutrition Collective, September 2023)

  • The PEAT Training Course in Cancer and Integrative Oncology - 6-Week Foundational Course for Practitioners (September 2023)

  • Integrative Oncology UK 2023 - Multidisciplinary perspectives and collaboration for better patient outcomes (British Society for Integrative Oncology, March 2023)

  • Integrative Oncology UK 2022 - Emerging Directions and Bringing Evidence into Practice (British Society for Integrative Oncology, May 2022)

  • Systems Approach to Cancer (Professional Training Course by Dr Nina Fuller-Shavel, July-December 2021)

  • Integrative Oncology UK 2021 - Whole Person Cancer Care For Better Patient Outcomes (British Society for Integrative Oncology, May 2021)

  • Nutritional Science and Cancer – Exploring the increasing consensus and unanswered contradictions around Nutrition and Cancer (Yes to Life Conference, March 2021)

  • Integrating Intermittent Fasting into Nutritional Protocols: A Functional Approach to Chronic Disease (Functional Medicine University, January 2021)

  • The Healing Power Of Nutrition: How Diet Can Reshape Gut Microbiome And Influence The Balance Between Health And Disease (IHCAN Virtual Conference, November 2020)

  • Halting Our Brains Slow Deterioration (Functional Medicine University, October 2020) 

  • Building Resilience: Clinical Strategies (Cytoplan Professional Development Series, March 2020)

  • Integrative Strategies for Supporting Patients with Breast Cancer (Health Masters Live – Postgraduate Education for Natural Medicine Practitioners, Feb 2020)

  • What You Are Likely Getting Wrong About Ketogenic Eating and Fasting (Functional Medicine University, Feb 2020).

  • Optimising Cancer Survivorship (Functional Medicine University, Jan 2020).

  • Oral Microbiome And The Impacts On Systemic Health (Functional Medicine University, Dec 2019).

  • The Metabolic Approach To Cancer (Functional Medicine University, Parts 1 and 2, Oct 2019).

  • Functional Nutrition: Clinical Solutions for Addressing the Underlying Causes of Disease (Institute for Functional Medicine, 2019).

  • Mindfulness Based Stress Reduction (MBSR) Programme for Healthcare Professionals (British Mindfulness Institute, 2019).

  • Holistic Health Coach Certification (Empowerment Coach Academy, 2018).

  • Understanding and facilitating behaviour change in clinical practice
    (Institute for Optional Nutrition, 2017).

  • How We Support Clients With Cancer and Chronic Disease (NNA, 2017).

  • DNA-Life Nutrigenomics Certification Course (Nordic Laboratories, 2016).

  • Applying the Latest Nutrition Evidence for People Affected by Cancer
    (Institute for Optimal Nutrition, 2016).

  • Cancer: Nutritional Support Before, During, and After Treatment (Institute for Optimal Nutrition, 2016- NTEC Certified).

  • Advanced Functional Medicine Nutrition Case Studies (Institute for Functional Medicine, 2016).

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