Sweet taste study aims to find best way to cut free sugars from diet.
NCT ID NCT05684757
First seen Jun 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time
Summary
This study compares three types of dietary advice to see which one helps people reduce their intake of free sugars (added sugars and those in honey, syrups, and juices). Around 29 adults in the UK who eat more than 5% of their calories from free sugars will receive one of the advice types and track their eating using diet diaries. Researchers will measure changes in sugar intake, body weight, and waist size to find the most effective approach.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Dietary Advice
- What this could lead to
- If successful, this could identify the most effective dietary advice for reducing free sugar intake, helping people make healthier food choices.
- What could go wrong
- This is a small, early-stage trial with only 29 participants, so results may not apply to the general population. Adherence to advice can vary widely.
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
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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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29 people
The number who actually took part.
- Started
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Mar 2023
- 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.
Show the full entry requirements Hide 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: 1. aged 18-65 years; 2. able to provide consent and complete all study materials; 3. consuming \>5% of TEI from free sugars; 4. residing in the South of England, and able to attend Bournemouth University for testing. Exclusion criteria: 1. individuals who are pregnant or breastfeeding; 2. underweight (BMI \<18.5); 3. have pre-existing clinical conditions such as diabetes mellitus, eating disorders, Crohn's disease and other illness's leading to participants receiving external nutritional advice and dietary restrictions; 4. have pre-existing medical conditions affecting swallow ability, taste and smell perception; 5. currently following a specific dietary programme (e.g.: Slimming World); 6. current smokers or have smoked within 3 months of the study start date.
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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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Bournemouth University
Bournemouth, US and Canada Only, BH12 5BB, United Kingdom
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