App attack on veggie gap: study tests digital nudge for healthier eating
NCT ID NCT07581847
First seen Jun 27, 2026 ยท Last updated Jun 27, 2026
Summary
This study tested whether a mobile app can encourage healthy adults to eat more fruits and vegetables. Over 400 participants used the app to track their daily intake for 15 days. The goal was to see if personalized messages could boost consumption compared to standard advice.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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403 people
The number who actually took part.
- Started
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Dec 2024
- Finished
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Jan 2026
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 55 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Individuals from the general population in good health * Adequate level of education to understand study procedures and to use a smartphone * Ownership and regular use of a smartphone Exclusion Criteria: * Medical conditions that contraindicate an increased consumption of fruit and vegetables * Habitual consumption of five (or more) portions of fruit and vegetables per day at baseline
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Adorni Roberta
Milan, Milano, 20126, Italy