Snack your way through menopause? new trial tests a granola bark for hot flushes and mood swings

NCT ID NCT07599930

Recruiting now Symptom relief Sponsor: King's College London Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a daily snack rich in plant chemicals and fibre can ease perimenopause symptoms like hot flushes, mood changes, and sleep problems. Twenty women aged 40-55 who are not on hormone therapy will eat either the special snack or a placebo for several weeks, then switch. Researchers will also check if changes in gut bacteria help explain any benefits.

What this could mean

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

Active substance: Cinnamon Granola Bark (phytochemical and fibre-rich snack)
What this could lead to: If it works, this snack could offer a natural way to reduce common perimenopause symptoms like hot flushes, mood swings, and poor sleep.
What could go wrong: This is a very small early trial with only 20 participants, so results may not apply widely. The snack is not a treatment and may not work better than a placebo.

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Conditions

The condition(s) this trial relates to.

mood disorder sleep disorder

As listed by the trial registrant

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

GUT MICROBIOTA MOOD PERIMENOPAUSE PERIMENOPAUSE-RELATED DEPRESSION QUALITY OF LIFE SLEEP

Contacts and locations

Locations

Metabolic Research Unit (KCL, Waterloo Campus)
RECRUITING

London, London, SE1 9NH, United Kingdom

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