Processed food diet alters hunger hormones in small study

NCT ID NCT06518863

Completed Knowledge-focused Sponsor: Oklahoma State University Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how eating ultra-processed foods affects hunger-related hormones and thinking skills. Twenty adults ate only ultra-processed foods for three days and only unprocessed foods for another three days. Researchers measured hormone levels and cognitive function to see if diet type made a difference.

What this could mean

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

What this could lead to: If results show clear links, this could guide future research on how processed foods affect appetite and decision-making.
What could go wrong: This is a small, completed study with only 20 participants. It was not designed to prove cause and effect, so findings may not apply broadly.

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

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Conditions

The condition(s) this trial relates to.

Feeding Behavior

As listed by the trial registrant

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

DIET HABIT

Contacts and locations

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Locations

Oklahoma State University

Stillwater, Oklahoma, 74078, United States

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