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Navigate every fast with just a few taps. Log your mood, meals, and activity, and find out how to accelerate your body’s progression through the five Fasting Zones.

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Pro tips, expert guidance, scientific advances, and in-the-moment motivation. We are constantly updating the Learn library with in-depth content to fuel your fasts.

Let your moods guide the way.

Log your moods throughout a fast, and we’ll offer up advice. Hungry? There’s an article for that. Tired? Watch a tailor-made video With a few smart nudges, you’ll go from moody to motivated in no time.

Analyze your fasting journey.

Sync with third-party apps like Apple Health, Fitbit, Oura, and more to observe how your fasts correlate with metrics like weight, sleep, and exercise. Spot trends and adjust behaviors accordingly.

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