Courses and services

Our courses

ION has been delivering sector leading courses in nutrition since 1984. Found out about our courses and what makes studying with ION special.




Discover exciting opportunities to deepen your knowledge and support your professional development through a range of live and on-demand CPD events.



Register for an ION open event

Register for in-person and online open events, or book a one-to-one appointment and we'll call you.



Content Hub

Sign up to numerous video series, our monthly newsletter, podcast, or read back issues of our digital magazine, for free!



Becoming a Nutritional Therapist

Discover more about nutrition and what it means to be a registered nutritional therapy practitioner by download our free ebook.



Online webinars

  • CPD on-demand | Getting to Grips With Functional Testing

    This is a recording of a live course. It will focus on a number of popular functional tests such as the DUTCH hormone panels, the GI 360 and comprehensive thyroid panels. Read more

  • CPD on-demand | Men’s Health – An Undiagnosed Epidemic

    This is a recording of a live course. This course will provide a deep-dive into the issues surrounding men’s health for both physical and mental aspects. It identifies how these are linked and why there is a disparity between men’s health, life expectancy and rates of mental health problems. Read more

  • CPD on-demand | Functional Testing: A deep dive into the Organic Acids test, Mycotox and GPL-Tox panels

    This is a recording of a live course. The course will provide information on how to demystify these tests by walking you through all three panels in careful detail so that you walk away feeling confident in your ability to start using them in your practice. Read more

Latest articles

  • Gut health: when to see a doctor

    Nutritional therapy practitioner Catherine Jeans explores four of the most common gastrointestinal complaints. Read more

  • 10 budget-friendly nutrition tips

    Nutritional therapists give their tops tips for eating a nutritious diet while on a tight budget. Read more

  • Banging Boat Dahl

    It will be soon time for spring salads and lighter dishes. But in the meantime, here's a nourishing, warming and creamy lentil dahl from the debut cookbook, Plant Feasts, by Frankie Paz. Read more