Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

Dark chocolate may help blood pressure, but Don't get excited yet

NCT ID NCT06820944

Disease control Sponsor: Chiang Mai University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study tested whether eating dark chocolate (72% cocoa) daily for two weeks could lower blood pressure and a heart risk marker in men with mild hypertension. Fifty-three Thai men ate either dark or white chocolate each day, then switched after a week off. The goal was to see if theobromine in dark chocolate has real benefits. Results are not yet reported.

What this could mean

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

Active substance
dark chocolate (72% cocoa)
What this could lead to
If it works, this could support health claims that dark chocolate helps manage blood pressure.
What could go wrong
This is a small, short-term study (53 men, 14 days). Results may not apply to women or people on medication. Eating 100g of dark chocolate daily also adds calories and sugar.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

53 people

The number who actually took part.

Started

Feb 2025

Finished

Apr 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

35 to 70 years

Sex

Male participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria * Male * Age between 35 to 70 years * BMI less than 30 kg/m\^2 * Systolic blood pressure between 130 to 159 mmHg or Diastolic blood pressure between 85 to 99 mmHg. * Do not smoke. Exclusion criteria * Cannot drink beverages and consume foods that have caffeine. * Take medicine to lower cholesterol and triglyceride levels, treat high blood pressure, or diabetes. * Have liver and kidney inflammation. * Use antibiotics within 1 month of study. * Use choline or probiotic supplements regularly within 1 month of study. * Consume more than 30 alcoholic drinks per week. * Have chronic diseases.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Hypertension are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

hypertensive disorder

As listed by the trial registrant

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

Hypertension

Contacts and locations

Locations

  • Research Institute for Health Sciences, Chiang Mai University

    Mueang, Chiang Mai, 50200, Thailand

More trials for these conditions

Other studies related to the condition(s) this trial covers.