DiagnosticsApril 19, 2026 6 min read
Stool Analysis Privacy and Data Considerations
How stool analysis data should be handled: local-first processing, encryption and real user control.
Stool analysis reads form, colour and frequency to reveal how your digestion, hydration and microbiome are trending.
Sensitive by nature
Data about stool analysis is deeply personal, so it deserves the strongest protections by default.
7
Bristol types
<3s
capture to insight
14-day
trend window
0
effort required
How it should work
The most sensitive signals from Bristol type of every event should be processed on-device, minimised, encrypted and deletable on demand.
- Bristol type of every event
- Calibrated colour estimation
- Frequency and rhythm over time
“The test you take every day beats the perfect test you take once a year.”
Trust is the product
A monitor you don't trust won't be used — so privacy isn't a constraint on tracking stool analysis, it's the point.
