Food preservative may influence appetite, tiny study hints

NCT ID NCT07437430

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study tests whether a single dose of potassium sorbate, a common food preservative, changes how much people with obesity eat over 24 hours. Twenty adults will receive either the preservative or a placebo, then switch after a break. The main goal is to see if the study methods work, not to prove any effect on weight.

What this could mean

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

Active substance

potassium sorbate (a common food preservative)

What this could lead to

If this pilot shows that potassium sorbate affects how much people eat, it could point toward a need for larger studies on food additives and weight gain.

What could go wrong

This is a very small pilot study with only 20 people, testing a single dose. It is designed to see if the study methods work, not to prove any effect on weight. Results may not apply to real-world eating habits.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • McMaster University Medical Centre

    RECRUITING

    Hamilton, Ontario, L8S 4K1, Canada

    Contact Phone: •••-•••-•••• Email: •••••@•••••