Expand your learning and earn CPD hours from the comfort of your own home, in your own time. ION has begun hosting on-demand CPD webinars. Click here to see available courses. Read more
The undergraduate degree will prepare you to become a fully qualified, registered nutritional therapist and is one of our flagship training courses, validated by the University of Portsmouth and accredited by the professional body for nutritional therapy’s education commission. Read more
Learn about the the ION experience - from the comfort of your home! Read more
Professor Linus Pauling, PhD, Nobel laureate
The Institute for Optimum Nutrition (ION) is a higher education institution founded in 1984 by Patrick Holford with the support of twice Nobel Prize winner Professor Linus Pauling. It is one of the most respected training bodies of its kind in Europe.
Our flagship Nutritional Therapy courses educate students to become registered Nutritional Therapists on accredited professional qualification programmes. We champion our graduates and the wider nutrition and healthcare industry with our professional CPD courses. Our nutrition clinic and magazine Optimum Nutrition support the public to make a positive impact on their lives with food.
ION courses are designed with flexibility in mind and provide outstanding support. There are courses for everyone: from people with no previous experience, to qualified nutritional therapists, to allied healthcare professionals ready to add personalised nutrition to their practice. As one of the most respected training bodies of its kind in Europe, find out about studying at ION.
Discover exciting opportunities to deepen your knowledge and support your professional development through a range of short nutrition courses, short health courses, practitioner CPD events and Food Demo Days.
Register for an open event, join us online for a webinar (our in person open events are currently on hold) or book a one-to-one appointment phone call.
Optimum Nutrition is published four times a year and brings you the latest news, research, updates, forthcoming events, healthy recipes and much more... Sign up today for free digital access.
Our fully qualified Nutritional Therapists work with people every day to improve health and wellbeing, whatever your issue, they will help you find out how to improve your health naturally and safely.
This is a recording of a live course. The course aims to synthesise and review the latest research and trends around IBS and dysbiosis; give practitioners confidence in applying these to cases and help practitioners interpret laboratory data. Read more
This is a recording of a live course. The course aims to synthesise and review the latest research and trends and give practitioners confidence in applying these to cases. Read more
This is a recording of a live course. It will help practitioners develop personalised nutrition plans for their clients living with and beyond cancer based on available evidence. Read more
Lily Soutter tells us how, after gaining her BSc in Food and Human Nutrition, studying at ION gave her the skills needed to set up a successful business working one-to-one with clients Read more
Kate Cook tells us how a desire to do a ‘little’ course in nutrition led to a new career running workshops and corporate wellness programmes that encourage employees to adopt healthier lifestyles Read more
We chat to ION alumna Olga Hamilton about how redundancy gave her the opportunity to study nutritional therapy, how speaking English as an other language didn’t hold her back, and how studying with ION has led to a varied, new career Read more