Actively Recruiting

Phase Not Applicable
Age: 18Years +
All Genders
Healthy Volunteers
NCT07339982

Supermarket Labelling and Taxation Study

Led by University of Liverpool · Updated on 2026-05-06

600

Participants Needed

1

Research Sites

25 weeks

Total Duration

On this page

Sponsors

U

University of Liverpool

Lead Sponsor

M

Medical Research Council

Collaborating Sponsor

AI-Summary

What this Trial Is About

Participants will be assigned to one of four conditions: (i) nutrient warning labelling and no taxation, (ii) nutrient warning labelling and taxation, (iii) current traffic light labelling and taxation or (iv) a control condition (current traffic light labelling and no taxation). Participants will complete a food ordering task using a simulated online supermarket resembling a major UK retailer (Tesco), before purchasing their selected items for delivery/collection via the retailer. Food choices will be recorded, and participants will self-report intake of purchased food items.

CONDITIONS

Official Title

Supermarket Labelling and Taxation Study

Who Can Participate

Age: 18Years +
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Are a UK resident
  • Are aged 18 years and above
  • Are fluent in English
  • Have access to a laptop/desktop computer with internet access
  • Are willing to order, pay for, and eat a ready meal from Tesco for an evening meal
  • Can access Home Delivery/Whoosh/Click & Collect from Tesco
  • Do not have any major dietary restrictions (e.g., vegetarian, vegan, gluten-free)
  • Are not on any medication which affects appetite
  • Do not have a current or past eating disorder diagnosis
Not Eligible

You will not qualify if you...

  • Have major dietary restrictions such as vegetarian, vegan, or gluten-free
  • Are on medication that affects appetite
  • Have a current or past diagnosis of an eating disorder

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Online (UK-wide) - Qualtrics

Liverpool, United Kingdom

Actively Recruiting

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How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

FACTORIAL

Primary Purpose

PREVENTION

Number of Arms

4

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