Tea time: can your cup of tea control blood sugar?
NCT ID NCT07609004
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how different types of tea change blood sugar and insulin levels after eating. Twenty healthy Chinese men will drink tea alone or with a standard meal, and their blood will be tested over three hours. The goal is to understand how tea affects the body's response to food, not to treat or cure any disease.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 20 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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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
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21 to 60 years
- Sex
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Male participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Male * Chinese ethnicity * Ages 21-60 years old (inclusive) * Healthy * Weigh at least 50kg * Must be English-literate and able to give informed consent in English * Reliable and willing to make themselves available for the duration of the study and are willing to follow study procedures Exclusion Criteria: * Female * A current smoker, or has smoked in the past 2 years * Fasting glucose \>= 7 mmol/L * History of type 1/type 2 diabetes * Regular use of medication that may affect glucose metabolism (e.g., steroids) * Being diagnosed with cancer, heart disease, stroke, renal failure, serious mental or physical illnesses at the time of recruitment * History of food allergies to test products (milk tea) i.e. milk allergies, or lactose intolerance * History of food allergies to any of the ready made meals (such as soy, peanuts, eggs, shellfish etc) * Have donated blood of more than 500 mL within 8 weeks of study enrolment * Any other conditions, which, in the opinion of the Investigator would make the subject unsuitable for inclusion or could interfere with the subject participating in or completing the study
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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
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National University of Singapore, Department of Food Science & Technology
Singapore, Singapore
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Other studies related to the condition(s) this trial covers.