--- title: "The Institute for Optimum Nutrition — check charity number 1013084 | CharityCompare" description: "Is The Institute for Optimum Nutrition a legitimate UK charity? Check charity number 1013084. Education/training charity based in Evergreen Studios. Official Charity Commission record, key facts and how to claim the profile — on CharityCompare." source: https://www.charitycompare.org.uk/charity/the-institute-for-optimum-nutrition retrieved: 2026-08-26T11:59:34.951Z license: "Charity data © Crown copyright, Open Government Licence v3.0" --- Quick answer The Institute for Optimum Nutrition is a registered charity (number 1013084) on the Charity Commission for England and Wales register, so it is a legitimate, regulator-overseen organisation. It is registered for: education/training. Its latest reported income was £2,148,963 (year ending 2025-06-30). CharityCompare shows its official register record below; a Clarity Score is added automatically once detailed filing history is available. ## What are the key facts about The Institute for Optimum Nutrition? Registered charity number 1013084 Status Registered (active) Charity type Charitable company Location Evergreen Studios Latest income (year ending 2025-06-30) £2,148,963 Website [www.ion.ac.uk](http://www.ion.ac.uk/) ## What does The Institute for Optimum Nutrition do? Education and professional training for nutritional therapists, provision of advice on nutrition and wellbeing through our optimum nutrition clinics. Continual professional development training and information and online training for the general public. The publication of a monthly online newsletter to provide accessible information on nutrition, wellbeing and lifestyle. ## What causes is The Institute for Optimum Nutrition registered for? Education/training ## Why is there no Clarity Score for The Institute for Optimum Nutrition yet? The Clarity Score is computed from full financial filing history. The Institute for Optimum Nutrition is on the official register but outside the detailed-filing group we currently score (or awaiting its first filings), so we show its official register record instead of a rating. Its score appears automatically once enough filing data exists — never by payment. [How scoring works](https://www.charitycompare.org.uk/methodology) ## Is this your charity? Claim this profile free to add your own description, correct details, or respond publicly. Optional [partner plans](https://www.charitycompare.org.uk/partners) add your logo, photos, verified badge and supporter features — claiming itself is always free and never changes any score. [Claim this profile — free](https://www.charitycompare.org.uk/claim?charity=the-institute-for-optimum-nutrition&type=claim) [Visit charity website](http://www.ion.ac.uk/) ## Frequently asked questions Is The Institute for Optimum Nutrition a legitimate charity? Yes. The Institute for Optimum Nutrition is a legitimate registered charity (charity number 1013084) regulated by the Charity Commission for England and Wales. You can verify it on the official register. Registration proves status — it is not a Clarity Score or an impact rating. What is The Institute for Optimum Nutrition's charity number? The Institute for Optimum Nutrition's charity number is 1013084. Check that number on the Charity Commission register or this CharityCompare profile before you donate. How do I check charity number 1013084? Search 1013084 on the Charity Commission for England and Wales register or on CharityCompare. Confirm the registered name matches the organisation asking for money — scammers sometimes reuse real charity numbers. What does The Institute for Optimum Nutrition do? Education and professional training for nutritional therapists, provision of advice on nutrition and wellbeing through our optimum nutrition clinics. Continual professional development training and information and online training for the general public. The publication of a monthly online newsletter to provide accessible information on nutrition, wellbeing and lifestyle. Does The Institute for Optimum Nutrition have reviews and complaints? CharityCompare does not host public user reviews for The Institute for Optimum Nutrition. This basic profile confirms registration and register facts. Rated charities also show a filing-based Clarity Score. For formal complaints, contact the Charity Commission for England and Wales or the Fundraising Regulator as appropriate. How can I donate to The Institute for Optimum Nutrition? The Institute for Optimum Nutrition's website is http://www.ion.ac.uk — donate there directly so the charity receives the full amount. CharityCompare never takes a commission on donations. Source: Charity Commission for England and Wales register extract dated 2026-07-31, used under the [Open Government Licence v3.0](https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/). Always verify current details on the [official register entry](https://register-of-charities.charitycommission.gov.uk/en/charity-search/-/charity-details/1013084).