What is Nutritional Therapy?

Nutritional Therapy is the application of nutrition science in the promotion of health and wellbeing. It is recognized as a complementary medicine and works alongside conventional medical treatment. Registered practitioners aim to assess and identify the underlying causes of a person’s symptoms. In Nolan Nutrition, this is carried out using a functional medicine approach, which addresses the whole person, by looking at their dietary, lifestyle, genetic and environmental factors, rather than simply focusing on the symptoms.

Clarissa Nolan

RGN, Dip. Community Health Studies

BSc Hons (Psychology), MSc (Information Processing)
PG Dip (Nutritional Therapy), MBANT


Clarissa became a Registered General Nurse in 1990. As a nurse, Clarissa was always interested in cancer nursing and palliative care, and making sure that patients had the best possible quality of life. She has worked on cancer wards, as a community and Marie Curie nurse, and for nearly 20 years as a research nurse in cancer research. 


Clarissa passionately believes that the food we eat has a huge impact on our health and wellbeing. In order to learn more about how it can be used therapeutically, she trained and qualified as a Nutritional Therapist at the Northern College of Acupuncture (NCA). She is accredited by the Complementary and Natural Health Council (CNHC) and registered with the British Association for Nutrition and Lifestyle Medicine (BANT). See what it means to be BANT- Registered Nutritional Therapist here.

The Nolan Nutrition commitment to you

Nutritional Therapy is based on a partnership between the client and the practitioner working to achieve optimum quality of life. My aim is to enable you to achieve and sustain a better quality of life by assessing the underlying cause of your health problem, defining a personalized nutrition and lifestyle plan and supporting you as we embark on this journey together.


To achieve this aim, I will, with your consent and co-operation:

  • carry out a functional assessment and evaluation to identify any nutritional imbalances that may be causing your health concerns.

  • work with your current healthcare provider(s) in a complementary way.

  • carry out further investigations and referrals to other professionals as necessary.

  • offer evidence-based recommendations that are tailored to your dietary and lifestyle or religious preferences to help you achieve your goals.

  • work with you and support you on this journey in a safe, professional and sympathetic manner.

  • regularly reflect on my approach and refine it to achieve the aim of optimizing your quality of life.

Please note that I am not a doctor and therefore am not able to make any diagnoses. My recommendations will be safe to use with your current medical treatment and health condition, and will be based on the best available research at the time of your consultation, but they are not intended to replace medical advice. If you are worried about your health condition, please consult your GP.

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