Buckwheat drink may tame blood sugar spikes after meals

NCT ID NCT03923205

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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 Results may not be published yet.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)

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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.

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First seen Aug 31, 2026 · Last updated Sep 01, 2026 · Updated 1 time

Summary

Researchers at the University of Aberdeen are testing whether a buckwheat beverage can reduce blood sugar spikes after meals. The study includes healthy adults and people with type 2 diabetes whose condition is managed by diet or metformin. Participants drink the beverage and have their blood sugar and insulin levels measured over five hours. The goal is to see if buckwheat's natural compounds can help control post-meal glucose, which is important for preventing diabetes complications.

What this could mean

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

Active substance
a buckwheat beverage
What this could lead to
If it works, this could point toward a natural dietary drink that helps people with type 2 diabetes manage blood sugar after meals, potentially reducing complications.
What could go wrong
This is a small early study with only 28 participants, so results may not apply widely. The effect on blood sugar may be modest, and the beverage is not a replacement for diabetes medication.

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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

28 people

The number who actually took part.

Started

Mar 2019

Finished

Mar 2022

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

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: Healthy and T2D (controlled by diet and lifestyle or metformin) volunteers; Age 18+; males and females. Exclusion Criteria: For the healthy group: * taking prescribed medication * HbA1c above 48mmol/mol (or 6.5%) * pregnant or breastfeeding * blood donation in the last three months * unable to give written informed consent * eating disorders such as anorexia, bulimia, binge eating or night eating syndrome. * significant health issue * taking vitamin or mineral supplements (unless they agree to discontinue supplementation 2 weeks or more before the start of the study) * Food allergies/intolerances For the T2D groups: * T2D controlled by medication other than metformin * pregnant or breastfeeding * blood donation in the last three months * unable to give written informed consent * eating disorders such as anorexia, bulimia, binge eating or night eating syndrome. * any other significant health issue other than T2D * taking vitamin or mineral supplements (unless they agree to discontinue supplementation 2 weeks before the start of the study) * food allergies/intolerances

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Rowett Institute, University of Aberdeen

    Aberdeen, AB 25 2ZD, United Kingdom

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