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When you eat salt may matter as much as how much

NCT ID NCT04021355

Completed Knowledge-focused Sponsor: University of Alabama at Birmingham Source: ClinicalTrials.gov ↗

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

Summary

This study tested whether taking salt with breakfast versus dinner changes blood pressure patterns and nighttime salt excretion in 53 obese adults. Participants took salt tablets at different times of day. The goal was to see if timing affects blood pressure rhythms and related health markers. Results could help design better ways to manage hypertension in obesity.

What this could mean

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

Active substance
oral sodium supplementation (salt tablets)
What this could lead to
If it works, this could point toward simple dietary timing strategies to better manage blood pressure in people with obesity.
What could go wrong
This is a small, early-stage study with only 53 participants. It looks at biological patterns, not a proven treatment, so results may not lead to direct health advice.

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.

Chronobiology Disorders circadian rhythm sleep disorder hypertensive disorder Obesity obesity disorder

As listed by the trial registrant

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

CIRCADIAN DYSREGULATION HYPERTENSION OBESITY SALT; EXCESS

Contacts and locations

Locations

  • University of Alabama

    Birmingham, Alabama, 35294, United States

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