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Social media warning labels could help teens avoid junk food

NCT ID NCT07227519

Knowledge-focused Sponsor: University of Tennessee 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Aug 11, 2026 · Updated 3 times

Summary

This study will test whether putting warning labels on social media posts about ultra-processed foods helps teens and young adults understand what they are eating and whether they would buy those products. About 1,000 people aged 13-29 in the U.S. will view Instagram posts with or without warning labels and answer survey questions. The goal is to see if these labels can improve consumer awareness and influence purchase intentions.

What this could mean

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

Active substance
warning labels on social media posts
What this could lead to
If successful, this could show that simple warning labels on social media help young people make more informed food choices.
What could go wrong
This is an online experiment, not a real-world test. It measures short-term reactions, not actual behavior change. Results may not apply outside the study.

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

1,012 people

The number who actually took part.

Started

Dec 2025

Finished

Dec 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

13 to 29 years

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: * Aged 13-29 * Reside in the US * Can read and speak English Exclusion Criteria: * Under the age of 13 or over 29 * Reside outside of the United States * Unable to complete a survey in English

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Conditions

The condition(s) this trial relates to.

Food Preferences nutritional disorder

As listed by the trial registrant

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

Food preferences Healthy diet Nutrition

Contacts and locations

Locations

  • UTHSC Department of Preventive Medicine

    Memphis, Tennessee, 38163, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.