NutritionDecember 16, 2026 6 min read
Nutrition Privacy and Data Considerations
How nutrition data should be handled: local-first processing, encryption and real user control.
What you eat shows up in how your body digests, hydrates and metabolises — often within a day.
Sensitive by nature
Data about nutrition is deeply personal, so it deserves the strongest protections by default.
Same-day
digestive response
Fibre
diversity matters
Closed
feedback loop
Personal
not generic
How it should work
The most sensitive signals from digestive response to meals should be processed on-device, minimised, encrypted and deletable on demand.
- Digestive response to meals
- Hydration shifts with diet
- Regularity across the week
“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 nutrition, it's the point.
