Recruiting

Sugar Warning Labels

Sponsor:

University of North Carolina, Chapel Hill

Code:

NCT07294053

Conditions

Health Behavior

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Accepted

Interventions

Added sugar warning

Control label

Study Details

Brief summary:

This study aims to examine the effects of added sugar warning labels on sugary drinks. Participants will be assigned to view either added sugar warning labels or control labels, applied on sugary drinks in an experimental store. Participants will shop for beverages in the store and take a computer survey at 4 visits spaced approximately 1 week apart.

Conditions

Health Behavior

Study ID

NCT07294053

Start date

Feb 16, 2026

Status verified date

Feb, 2026

Completion date

Feb, 2028

Anticipated

Primary completion date

Feb, 2028

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Accepted

Inclusion Criteria:

  • 18 years and older
  • Bought sugary drinks from a store at least once during the past week
  • Willing to attend 4 in-person study appointments

Exclusion Criteria:

  • Living in the same household as someone else in the study

Study Design

Enrollment

543 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Prevention

Interventions and Outcome Measures

Arms

experimental: Added sugar warning

other: Control label

Interventions

Added sugar warning

The added sugar warning will say "High in added sugar." The warning will be in an octagon-shaped label. These warnings will be placed on the front of sugary drink containers in the experimental store.

Control label

The control label will display a barcode in a square shape. These labels will be placed on the front of sugary drink containers in the experimental store.

Primary outcome measure

  • Amount of added sugars purchased from sugary drinks [ Time Frame: Assessed once a week for up to 4 weeks, starting on the day of enrollment. ]

Central Contacts and Locations

Central contacts

Violet Noe, MPH, RDN

984-229-8923grocerystudy@unc.edu

Locations

The University of North Carolina at Chapel Hill

Recruiting

Chapel Hill, North Carolina, United States, 27514

Contacts

Violet Noe, MPH, RDN

984-229-8923grocerystudy@unc.edu

Principal Investigator:

Marissa Hall, PhD

More Information

Sponsor

University of North Carolina, Chapel Hill

Last update posted

Feb 17, 2026

Last verified

Feb, 2026

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-09. This information was provided to ClinicalTrials.gov by University of North Carolina, Chapel Hill on 2026-02-17.