Fruit drink blood sugar test: which juice spikes glucose?
NCT ID NCT06898840
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how different fruit juices and smoothies affect blood sugar levels in 11 healthy adults. Researchers compared finger-prick tests with continuous glucose monitors to see which method gives more accurate results. The goal was to learn how drink ingredients and measurement techniques change the way we understand blood sugar responses.
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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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11 people
The number who actually took part.
- Started
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Mar 2025
- Finished
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Jul 2025
- 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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18 to 65 years
- Sex
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Anyone
- 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: * Age: 18-65 years * Body mass index 18-30 kg/m2 Exclusion Criteria: * diagnosis of any form of diabetes * intolerances or allergies to any of the study procedures (e.g. fructose/inulin intolerance) * Fructose malabsorption * Inborn errors of fructose metabolism (e.g. fructokinase deficiency, aldolase B deficiency, fructose-1,6-bisphosphatase deficiency) * pregnant or lactating * any condition that could introduce bias to the study (e.g. diagnoses of lipid disorders, including cardiovascular disease, or therapies that alter lipid or glucose metabolism, such as statins or niacin).
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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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Department for Health, University of Bath
Bath, BA2 7AY, United Kingdom
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