For a question about the website or app, write to info@90daydiet.org.
App issues
Include your device, operating system, app version and what happens. For a purchase issue, identify the store and the message on screen. Do not send passwords or full payment-card details.
Text corrections
Send the page address and the specific statement. Include a source link if you have one.
See the app page for features. Questions about an individual diet or medical condition require professional advice.