Cycle-aligned fasting
Your hormone-smart rhythm,worked out for you.
Answer a handful of questions once. You'll see the fasting range and nourishment focus for today, where you are in your cycle, and a full 30-day calendar you can print or save.
Start the surveyTakes about two minutes. No account, nothing sent anywhere.
Starts where you actually are
We count from the first day of your last period, so you get today's guidance today — no waiting for a fresh Day 1.
A range, not a dare
When your window says 17–24 hours, 17 hours counts. There is no prize for the highest number.
Food alongside the fast
Every day pairs a fasting range with the nourishment style that suits that phase.
This tool offers general wellness information and is not medical advice. Please speak with your own clinician before changing how or when you eat.