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Tool Library Best Practice Guidelines – Evaluation Checklist (opens new tab)

Tool Information: myfood24

Energy, Macronutrient, Micronutrient, Food Groups Retrospective; Prospective 1 Day 24 Hour Recall No


myfood24 is an online 24-hour dietary assessment tool that can be used as a dietary recall or as a food diary. Using standard portion sizes, photographs and the ability for participants to enter specific food weights, myfood24 provides a quick and easy-to-use tool to track, monitor and analyse nutritional intake. The tool covers >100k generic and branded foods and has had both relative and absolute validity assessed. This included comparison against a range of biomarkers. Other usability and development papers are available see

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Special Considerations

Apps for use in healthcare are now available for both iPhone and Android, with a healthcare professional portal. Other language versions with relevant food tables are available. Please check the website for details. Food tables are available for tube and sip feeds, babyfoods, foods for medicinal purposes. The system can also be used for teaching with additional feedback. There is a fee to use the tool. See the website for more details.

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Software Required

Smartphones, tablets, computers. Online or offline versions

Training Required


Instructions on use

Instructions on use are provided by the project team.

Administration Method

Self-administered or Interviewer-administered

Data Analysis

The tool provides online reports to show a range of outputs. Nutrient data can also be ouput as a Microsoft Excel file. Further analysis of that data needs to be conducted within a statistical package.

Author Year Comparator Lifestage Sex Number of Nutrients Validated Mean Difference Variance Measured info Correlation Coefficients Percentage Agreement Limits of Agreement Special Considerations Action
Albar 2016 24hr Recall Adolescents Both 8
Wark 2018 24hr Recall Adults Both 7 Online tool compared to biomarkers and 3 x 24h recalls
Koch 2020 24hr Recall Adults Both 3 This validated the myfood24 (Germany) tool in German adults. The German version of myfood24 is adapted to German foods and consumption habits.Participants had to be ≥18 years old and fluent in German. Nutrition professionals and students of Nutritional Sciences were excluded.