A smartphone app to promote sustainable and healthy eating.

Feasibility and Acceptability of a Digital Health App to Facilitate More Sustainable and Healthier Diets: Protocol for a Pilot Trial.

Not applicable Interventional London School of Hygiene and Tropical Medicine · NCT06833736

This study is testing a smartphone app that helps people eat healthier and more sustainably by providing plant-based recipes and tips to see if it makes a difference in their food choices.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment99 (estimated)
Ages18 Years and up
SexAll
SponsorLondon School of Hygiene and Tropical Medicine Academic / other
Locations1 site (London)
Trial IDNCT06833736 on ClinicalTrials.gov

What this trial studies

This pilot trial evaluates the feasibility and acceptability of the 'See Yourself Differently' (syd) app, which promotes sustainable and healthy eating through plant-based recipes and educational content. Participants will be randomized into three groups: one receiving general information, another using the app as it is, and a third using the app with additional recipes and food education messages. The study will collect data on demographics and food choices at the beginning and end of the 10-week intervention, along with interviews to gather participant experiences. The primary goal is to assess how well the app can facilitate healthier dietary habits among users.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older who own a smartphone and have access to WiFi.

Not a fit: Patients with restrictive diets or certain health conditions, such as diabetes or eating disorders, may not benefit from this study.

Why it matters

Potential benefit: If successful, this app could help individuals adopt more sustainable and healthier eating habits.

How similar studies have performed: While there have been various studies on mobile health interventions, this specific approach focusing on sustainable diets through an app is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Have a personal (not work) smartphone
* Have access to WiFi at home
* Have an out-of-home data package
* Be 18 years of age or older

Exclusion Criteria:

* Underweight for their age and gender
* Follow a restrictive diet (e.g., pregnant, breastfeeding, food intolerant/allergic, attempting to lose weight, diabetes, cardiovascular disease, or other long-term disease including eating disorders)
* Have a mental disability or learning difficulty

Where this trial is running

London

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions NutritionSustainabilityMobile Health TechnologyDietSustainable dietsHealthy eatingmHealthMobile apps
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.