Watermelon vs. cookies: which snack boosts wellness?
NCT ID NCT06323070
First seen Jun 27, 2026 · Last updated Aug 28, 2026 · Updated 1 time
Summary
This study looks at whether eating fresh watermelon can improve sexual health, skin hydration, and gut health compared to eating low-fat cookies. Researchers will enroll 80 generally healthy adults with a BMI between 20 and 40. Participants will eat either watermelon or low-fat cookies, and changes in health questionnaires, skin moisture, and gut bacteria will be measured.
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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 80 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2024
- Expected to finish
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Dec 2028
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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18 to 50 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: * Generally healthy subjects * BMI 20-40 kg/m2 Exclusion Criteria: * Smoker * Pregnant woman * Required antibiotics use * Required dietary supplement use * Required medication of metabolic disorders, mental health and sexual health * Allergy to watermelon or wheat
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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School of Exercise and Nutritional Sciences
RECRUITINGSan Diego, California, 92182, United States
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