GUTS Participant LoginEU Residents: see below before proceeding

Have questions or having trouble logging in? Check our FAQ page or send an email to We’ll be happy to help.

If your session expires, return here to log in and pick up where you left off.

Questionnaire responses will remain strictly confidential and will be used only for research purposes. More information on confidentiality and privacy is available here.


If you are currently an EU resident, please review our website privacy policy (particularly Section 8), which outlines how your data will be processed.

SSL Certificate Authority
Branch: master
Build Version: 0.1.8
Commit ID: 7503a7f4622694be199e51ab92f8b92dc1f38e1f
Build Time: 2023-09-11T21:24:26+0000
Project Stage: prod