Is it the processing or the nutrients? new study aims to settle the debate.

NCT ID NCT06749327

Not yet recruiting Knowledge-focused Sponsor: Queen's University, Belfast Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study will test whether the way food is processed affects health, even when the diet is equally healthy. 330 adults will eat either a high or low ultra-processed plant-based diet for 4 months. Researchers will measure changes in blood sugar and cholesterol to see if processing alone makes a difference.

What this could mean

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

Active substance: dietary intervention (high vs low ultra-processed foods, both healthy plant-based)
What this could lead to: If it works, this could clarify whether the processing of food—not just its nutritional content—matters for heart health and blood sugar.
What could go wrong: This is a small, early-stage dietary study with no disease treatment. Results may not apply to the general population, and diet adherence can be challenging.

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

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As listed by the trial registrant

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

CARDIOMETABOLIC RISK FACTORS

Contacts and locations

Locations

Centre for Public Health, Queen's University Belfast

Belfast, Northern Ireland, BT12 6BJ, United Kingdom
University College Dublin

Dublin, Ireland, D04 C1P1, Ireland

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