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Will a simple label steer shoppers away from ultraprocessed foods?

NCT ID NCT06842680

Knowledge-focused Sponsor: University of North Carolina, Chapel Hill Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested whether adding a warning label that says a product is ultraprocessed changes how Chilean parents view and intend to buy these foods. Over 3,600 parents were shown similar products with or without the extra label. Researchers measured purchase intentions and whether people correctly identified the foods as ultraprocessed. The goal is to see if such a label could help consumers make more informed choices.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
ultraprocessed food warning label
What this could lead to
If effective, this label could help consumers make healthier food choices and inform future food labeling policies.
What could go wrong
This is a completed online experiment, not a real-world shopping test. Results may not reflect actual purchasing behavior or long-term health effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

3,645 people

The number who actually took part.

Started

Jul 2025

Finished

Aug 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 18 years or older * Parent or guardian of child between 2-14 years old who has never been diagnosed with diabetes, high blood sugar, pre-diabetes or insulin resistance * Residing in Chile Exclusion Criteria: * Less than 18 years old * Not parent or guardian of child between 2-14 years old who has never been diagnosed with diabetes, high blood sugar, pre-diabetes or insulin resistance * Not residing in Chile

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Diet, healthy

Contacts and locations

Locations

  • The University of North Carolina at Chapel Hill's Gillings School of Global Public Health

    Chapel Hill, North Carolina, 27599, United States

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