You can modify your password at the MyFastingChallenge website's Login page.
Log in to your profile with your old email address and the old password, tap Password on the left-hand menu, and update your information.
This process is only for clients who want to change their passwords. If you forgot your password and can't log in, you can reset it. Simply click Forgot your password? at the Login page of our site. You will receive a password change link in your email.