You can start reading our eBook Download and view at any time and on any device. The download will start immediately after you click the download button located under the eBook. Download Interested in finding out more about adding nutrition to your skillset? Find out more about our Graduate Diploma in Integrative Functional Nutrition, our qualification designed specifically for medics and other healthcare practitioners. Sign up for our next free information webinar for medics and healthcare practitioners interested in learning with ION. About ION: ION is a leading provider of accredited nutritional therapy training, established in 1984. ION’s qualifications are validated by the University of Portsmouth. Be part of a growing community who understand the power of nutrition and lifestyle to help others to make positive lifestyle changes.