On this page, the BAC directory lists all accredited providers and their two most recent inspection reports. To find an institution, you can search by the name of the institution, location or type of accreditation scheme.

Click on the links for further information on historically accredited providers or unsuccessful new applications following inspection.

Institute for Optimum Nutrition

Home » Institute for Optimum Nutrition
Ambassador House, Paradise Road, Richmond, London TW9 1SQ, United Kingdom

College accredited since 29/11/2018

Head of Institution
Christina Mansi

020 8614 7800




The Institute of Optimum Nutrition (ION) offers courses in Nutritional Therapy from Levels 4 to 6. The Nutritional Therapy Science Access Course is offered at Level 3 for learners, who need to have a background in science. The qualifications offered are the NTEC accredited Nutritional Therapy Diploma, the Nutritional Studies Certificate, which is non-practicing and the Nutritional Therapy Science Access Certificate. All these courses can be undertaken by learners on a part-time basis. The duration of the diploma courses can range from three to six years and the science access course from six months to two years. The Nutritional Therapy Diploma course was originally a two-year part-time course and has been expanded to three years part-time. Half of the third year is dedicated to supervised clinical practice supported by taught modules.

ION is also accredited by the Nutritional Therapy Education Council of the United Kingdom, and an approved centre of the awarding organisation, QUALIFI, who have endorsed the Level 6 modules of the diploma.


Institute for Optimum Nutrition - Full Inspection Report - September 2018

Institute for Optimum Nutrition - Interim Inspection Report - November 2019

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