← Back to calculator
Coming soon
Fat vs. Water Mini-Course
Learn why the scale moves so quickly in the first 72 hours of a fast, how glycogen binds water, and how to interpret calculator results without false expectations.
What's included
- Video lessons (short, focused chapters)
- Printable summary cheatsheet
- Aligned with Water Fasting Calc formulas
- No hype—science-based education
How delivery works
Click Buy now to open our secure Polar checkout. When your payment completes, Polar emails you a receipt and provides an instant download link for your PDF. Save the file to your device—you can print it at home or fill it in on a tablet.
These products are for educational planning only. They do not replace medical advice. Consult a healthcare provider before extended fasting.