Could your diet shape your heart and gut health?
NCT ID NCT06775132
First seen Aug 05, 2026 · Last updated Aug 06, 2026 · Updated 1 time
Summary
This study looks at how what people eat relates to heart health, gut bacteria, sleep quality, and thinking skills in Singapore adults aged 21 to 80. Participants will keep a food diary and provide blood and stool samples to measure things like blood pressure, cholesterol, blood sugar, and gut-related substances. The goal is to see if certain eating patterns are linked to better cardiometabolic and gut health.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If links are found, this could point toward dietary recommendations that support heart health and a healthy gut microbiome.
- What could go wrong
- This is an observational study, so it cannot prove cause and effect. Results may not apply to other populations.
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.
- Participants
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About 240 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2025
- Expected to finish
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Dec 2026
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.
Who is studied
Singapore adults
- Ages
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21 to 80 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. Able to give informed consent 2. Adults 21-80 years old 3. English-literate 4. Have venous access sufficient to allow for blood sampling as per the protocol 5. No drastic change of diet for the past 1 year 6. If taking medication, has been consistently taking antihypertensive/cholesterol-lowering/type-2 diabetic medication for more than 5 years prior to starting the study. Exclusion Criteria: 1. Taking dietary supplements and fermented foods, which may impact the gut microbiota (e.g. antibiotics, prebiotics, probiotics, yogurt, kimchi) 2 months before starting the 1st study visit only. 2. Taking dietary supplements or medications, which may impact sleep outcomes (e.g. Nutritional Shakes (e.g. Ensure), tryptophan, 5-hydroxytryptophan or melatonin supplementations) 1 month before starting the study. 3. Taking dietary supplements which may impact the eye outcomes (e.g. Vitamin A, vitamin A-containing multivitamin) 2 months before starting 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
Singapore, Singapore, 117546, Singapore
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