You can start reading our eBook You can also download and view it at any time and on any device. The download will start immediately after you click the download button located under the eBook. Download Ready to take the next step? Find out more about our nutritional therapy degree top up. Sign up for our next free information webinar about topping up your qualification to BSc (Hons) undergraduate degree level. About ION: ION is a leading provider of accredited nutritional therapy training, established in 1984. ION’s BSc (Hons) Nutritional Therapy is validated by the University of Portsmouth. Be part of a growing community of nutritional therapists and build a rewarding, flexible career helping others to make positive lifestyle changes.