Coffee or tea? study tests which drink helps your heart while you sit

NCT ID NCT07159152

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study looks at how drinking coffee or hibiscus tea affects blood pressure and heart rate during long periods of sitting. Thirty healthy adults (15 men, 15 women) will try both drinks on different days. Researchers will measure their heart health before and after sitting for three hours.

What this could mean

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

Active substance

Coffee and hibiscus tea

What this could lead to

If it works, this could help people choose better beverages during long sitting to support heart health.

What could go wrong

This is a small, early-stage study with only 30 healthy young adults, so results may not apply to everyone. It's not testing a treatment for high blood pressure.

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.

hypertensive disorder Sedentary Behavior

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: •••••@•••••

  • Contact

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

Locations

  • Princess Nourah University Lifestyle Center

    Riyadh, 80200, Saudi Arabia

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