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A long-established, independent educational charity offering nutritional therapy training from short courses through to degree level. ION is best known for its functional and integrative emphasis. Its BSc (Hons) Nutritional Therapy is validated by the University of Portsmouth and accredited by the NTEC, so graduates can apply directly to register with BANT and CNHC. Worth exploring for anyone considering a career as a nutritional therapist who wants accredited, science-validated training. Courses are available in-person and online.

Last updated:

15 Jun 2026

Date reviewed:

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