Graduate Diploma in Integrative Functional Nutrition

Enhance your career with the GradDip Integrative Functional Nutrition.


There are a number of benefits of completing the graduate diploma:

  • Expand your practice options
  • Identify future practice development opportunities
  • Understand your clients' test results from a functional perspective
  • Use the latest evidence-informed approaches to personalised nutrition and lifestyle advice
  • Use validated tools to enhance behaviour change
  • Build a network with diversely qualified peers who have a passion for helping others

Why study integrative functional nutrition at ION?

ION’S strong reputation and external recognition:

  • Validated by the University of Portsmouth, a leading modern university and Teaching Excellence Framework (TEF) gold rated. A top 25* UK university, it globally recognised for research
  • Accredited for BANT associate membership; or with the addition of a clinical module** BANT full membership and CNHC registration
  • Join a British Accreditation Council accredited higher education institution 
  • Our track record of providing advanced graduate CPD 
  • Experienced in delivering courses that have been founded on the functional medicine philosophical approach

Designed with flexibility in mind: 

  • Flexible online study options that make it easy for you to balance the course with work and personal commitments
  • Clear modular structure that enables you to study while you work 

High quality teaching and learning opportunities:

  • Expert tutors who are available via email and during scheduled weekly call times to provide you with ongoing guidance and support
  • Innovative teaching that is fully supported by a range of learning tools and materials via RelION, your 24/7 virtual campus 
  • Online access to the University of Portsmouth library, research databases and study skills support

Be part of our community:

  • On completion of your studies you will be invited to become a member of our Alumni Community, a helpful source of information for those working in, or with an interest in, nutrition and its impact on health and wellbeing.
  • Additionally, graduates will also become members of the University of Portsmouth Alumni and have access to discounts on further education courses.

* Guardian University Guide 2020 

** Subject to course accreditation

Validation and accreditation

The GradDip Integrative Functional Nutrition is validated by the University of Portsmouth, a leading modern university and Teaching Excellence Framework (TEF) gold rated. As a UK top 25 institution, it is recognised globally for its research. 

Additionally, the Institute for Optimum Nutrition is accredited by the British Accreditation Council (BAC).

The BAC provides a comprehensive quality assurance scheme for independent further and higher education in the UK. Its accreditation is globally recognised as the clearest mark of educational quality in the private sector. 

The GradDip Integrative Functional Nutrition is accredited for BANT associate membership or with the addition of a clinical module BANT full membership and CNHC registration.