Supermarket Labelling and Taxation Study
NCT07339982 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 600
Last updated 2026-05-06
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.
Conditions
- Nutrition Labeling
- Tax Policy
Interventions
- BEHAVIORAL
-
Labelling
Participants are shown food products displaying front-of pack nutrition labels (nutrient warning labels on products high in calories, saturated fat, salt, and/or sugar/traffic light labels) during a hypothetical food choice task.
- BEHAVIORAL
-
Taxation
Food prices displayed in the hypothetical food choice task include a 20% added tax on products high in calories, saturated fat, salt, and/or sugar.
Sponsors & Collaborators
- collaborator OTHER_GOV
-
University of Liverpool
lead OTHER
Study Design
- Allocation
- RANDOMIZED
- Purpose
- PREVENTION
- Masking
- DOUBLE
- Model
- FACTORIAL
Eligibility
- Min Age
- 18 Years
- Sex
- ALL
- Healthy Volunteers
- Yes
Timeline & Regulatory
- Start
- 2026-02-02
- Primary Completion
- 2026-08-01
- Completion
- 2026-08-01
Countries
- United Kingdom
Study Locations
More Related Trials
-
Effect of Cherry Concentrate on Vascular Function
NCT02984319 ·Status: COMPLETED ·Phase: NA
-
The Dietary Intervention in e-Shopping Trial
NCT00352508 ·Status: COMPLETED ·Phase: NA
-
Effect of Lettuce With Different Nitrate Contents on Blood Pressure
NCT02701959 ·Status: COMPLETED ·Phase: PHASE1/PHASE2
-
Carotenoid Response to the Intake of Vegetables and Fruits
NCT01403844 ·Status: COMPLETED ·Phase: NA
-
Effects of Berries and Vegetables on Cardiometabolic Risk Markers and Cognitive Functions
NCT01562392 ·Status: COMPLETED ·Phase: NA
-
The Effect of Tart Cherry (Prunus Cerasus) Concentrate on Physiological and Cognitive Function
NCT04021342 ·Status: COMPLETED ·Phase: NA
-
Diet and Vascular Health Study
NCT01114399 ·Status: COMPLETED ·Phase: NA
-
The Effect of Green Tea and Vitamin C on Skin Health
NCT01032031 ·Status: COMPLETED ·Phase: NA
-
Acute Satiety and Metabolic Response of Daily Consumption of a Fruit Juice
NCT05840627 ·Status: COMPLETED ·Phase: NA
-
Tomato Supplementation and Cardiovascular Health
NCT03209817 ·Status: COMPLETED ·Phase: NA
-
Hypo-hydration Mood and Cognition
NCT03948230 ·Status: UNKNOWN ·Phase: NA
-
Nutrient-Fortified Beverage Study
NCT02103192 ·Status: COMPLETED ·Phase: NA
-
Effect of Cherry Powder Supplementation on Vascular Function
NCT02984306 ·Status: COMPLETED ·Phase: NA
-
An Acute Human Intervention With Flavonoid to Investigate Absorption, Metabolism and Excretion
NCT01922869 ·Status: UNKNOWN ·Phase: NA
-
Effect of Cherry Concentrate on Brain Activation and Perfusion in Healthy Older Adults
NCT03547102 ·Status: COMPLETED ·Phase: NA
-
Effects of Seaweed Extract on Mental Performance Following a High-carbohydrate Meal
NCT03328923 ·Status: COMPLETED ·Phase: NA
-
The Effects of a Polyphenol-enriched Fruit Drink on Metabolic Health(2)
NCT01836887 ·Status: COMPLETED ·Phase: NA
-
The Effects of Types of Fruits and Vegetables on Vascular Function
NCT03410342 ·Status: COMPLETED ·Phase: NA
-
Using Untargeted Metabolomics to Identify Urinary Biomarkers of Onion Intake
NCT05133986 ·Status: UNKNOWN ·Phase: NA
-
Plasma-Induced Changes in the Metabolome Following Polyphenol Consumption
NCT06144489 ·Status: COMPLETED ·Phase: NA
-
Investigate the Effect of Tart Montmorency Cherry Juice (Prunus Cerasus) on Cerebral Blood Flow and Cognitive Function
NCT02381860 ·Status: COMPLETED ·Phase: NA
-
Cross-over Double-blind Intervention to Investigate the Effects of Defined Antioxidant-containing Drinks on Time Course of Antioxidant Capacity
NCT02898571 ·Status: UNKNOWN ·Phase: NA
-
Dietary Nitrate and Healthy Older Adults
NCT03473678 ·Status: COMPLETED ·Phase: NA
-
Bioavailability Study of Different Dietary Antioxidants in Volunteers
NCT01199549 ·Status: COMPLETED
-
RCT-Consumer Perceptions of Cannabidiol (CBD) Health Claims
NCT06800066 ·Status: COMPLETED ·Phase: NA