How does the Nutrition Check-In work?

The Built With Science+ app has introduced a completely new nutritional check-in experience, replacing the old Coach Alice system with a smarter, more flexible, and science-backed algorithm.

This new approach helps you understand how your nutrition and progress are evolving and adjusts your calorie targets more accurately over time.

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What’s New

• No more Coach Alice: The check-in experience has been rebuilt from the ground up with the latest science to make your calorie adjustments more accurate and responsive.

• Flexible tracking: You can now use any day of logged nutrition toward your calorie adjustments. It doesn’t matter if you hit your goal perfectly as long as you’ve tracked everything you ate that day, it counts.

• Smarter insights: Each check-in now includes detailed feedback on:

  • How your average weight changed this week.

  • Whether your progress pace is too fast, too slow, or on track with your set weight pacer rate.

  • What your average daily calories were during the week.

• Confidence indicator: You’ll also see how confident we are in your updated calorie target, helping you understand how accurate the adjustment likely is based on your tracking consistency.

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When You Can Access Your Check-In

Once you’ve completed your nutrition tracking for the week, your nutritional check-in becomes available.

• After you open and complete your weekly check-in, it can’t be accessed again for a minimum of 7 days.

• This ensures that the app has enough new data to provide meaningful and accurate feedback.

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Why It Matters

The nutritional check-in is a personalized feedback loop, helping you stay aligned with your goals whether you’re aiming to lose fat, gain muscle, or maintain your progress.

The more consistently you track, the more precise your calorie recommendations become.

For an even more detailed overview of how your inputs are used to calculate your next nutritional check-in recommendations, read this article: How does the app calculate and adjust my calorie goal during the Nutrition Check-In?