Download Quantified Citizen free on android

Help validate health products like supplements, and techniques like keto and microdosing to determine how well they work. Our studies are rigorously designed with scientific protocols to produce credible findings. Share anonymized data, contribute to public knowledge, and get personalized insights about your health all in one place.


Privacy by Design

We're committed to data privacy, including end-to-end encryption, anonymity and transparent policies. Your personal information stays on your device. No sign up, no email, no Facebook connection required. We take this seriously.

How it Works

1) Download the app and join as an anonymous participant – we won’t ask for your name or email.

2) Answer questions, watch videos, and play game-like tests.

3) Submit your data, get personalized insights, and contribute to science.