Breathalyzer for fiber: new study tests simple way to track diet
NCT ID NCT07375329
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This pilot study explores whether a mobile breath tester can measure dietary fiber intake by tracking hydrogen and methane levels. Researchers will enroll 30 adults already in a larger fiber study. Participants use a handheld device daily for three months, and the data is compared to their self-reported fiber intake.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Breath tester (Food Marble device)
- What this could lead to
- If successful, this could provide a simple, non-invasive way to track fiber intake without relying on self-reporting.
- What could go wrong
- This is a very small pilot study (30 people) and only tests correlation, not cause. The device may not accurately reflect fiber intake in real-world settings.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for HEALTHY EATING are added.
By submitting, you agree to our Terms of use
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
University of Oklahoma Health Sciences
Oklahoma City, Oklahoma, 73104, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Free food boxes aim to boost Kids' health in Low-Income homes
- Your doctor on video: a new way to fight diabetes?
- Teaching parents about healthy lunches could boost Kids' nutrition
- Fruit stands vs. fruit stands plus campaign: which gets kids eating more?
- Pleasure over pressure: new study tests joyful eating for better health
- Farm living linked to better health? texas study recruits 600 residents