Sparkling water vs. soda: a tasty way to cut sugar in teens?
NCT ID NCT07223151
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether replacing sugary sodas with unsweetened sparkling water can reduce added sugar intake and improve health in Black/African American and Latine adolescents with obesity who love sweet drinks. For 4 weeks, participants swap their sodas for one of three options: flavored sparkling water, plain water, or gradually less sweet drinks. Researchers will measure changes in taste preferences, diet quality, and metabolic health over 8 weeks.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
unsweetened sparkling water
What this could lead to
If it works, this could point toward a simple, low-cost way to help teens cut added sugar and improve their diet and metabolic health.
What could go wrong
This is a small, early-stage behavioral study (63 participants) that relies on self-reported diet and taste changes, so results may not apply broadly or lead to lasting habits.
Disclaimer
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Indiana University Hospital
RECRUITINGIndianapolis, Indiana, 46202, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Indiana University School of Public Health - Bloomington
NOT_YET_RECRUITINGBloomington, Indiana, 47405, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Purdue University
RECRUITINGWest Lafayette, Indiana, 47907, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••