Clinical Trial

Supermarket Labelling and Taxation Study

Recruiting
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Record status
This record was last updated May 6, 2026 (before its estimated August 1, 2026 completion). Its status may not reflect the trial's current state.
Summary
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.
Protocol Amendment History 1 change
critical Recruitment opened 2026-05-07
Trial Details
NCT Number NCT07339982
Lead Sponsor University of Liverpool
Collaborators: Medical Research Council
Conditions Nutrition Labeling, Tax Policy
Enrollment 600 participants
Start Date 2026-02-02
Primary Completion 2026-08-01 (estimated)
Study Completion 2026-08-01 (estimated)
Updated on ClinicalTrials.gov 2026-05-06