Did you know that the volume of gas your body releases can offer important clues about the state of your gut microbiota? A new wearable aims to turn what is often seen as embarrassing into a measurable indicator of digestive health.
Scientists have created smart underwear that can track intestinal gas continuously and without invasive methods. The research, led by Santiago Botasini, was published in Biosensors and Bioelectronics: X in December 2025 under the title “Smart underwear: A novel wearable for long-term monitoring of gut microbial gas production via flatus” (DOI: 10.1016/j.biosx.2025.100699).
Hydrogen Detection for Gut Activity
The device includes sensors designed to identify hydrogen in flatulence, a key byproduct of the fermentation process performed by intestinal bacteria. This gas serves as a direct sign of microbiota metabolic activity.
In contrast to conventional approaches that depend on patients’ self-reported symptoms, the new technology makes it possible to:
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