# Fasting 20:4 (Warrior)

*Diet · the Undiet catalog · https://undiet.app/diets/fasting-20-4*

A 4 hour eating window, studied as 3pm to 7pm; the Warrior Diet branding itself was never trialled.

- Goal: Weight loss, More energy
- Approach: Time-restricted
- Effort: Hard

## The protocol

- Fasting window: 20 hours
- Studied window: 15:00 to 19:00
- Eating window: 4 hours

## In Undiet

Fasting 20:4 (Warrior) is an eating pattern in the Undiet catalog. Marking it records what you are already doing: a self-report marker, never a recommendation. From that day it is a period on your timeline, with your weight and how the days felt drawn across it. Free on iPhone (https://apps.apple.com/app/id1490849895) and Android (https://play.google.com/store/apps/details?id=be.krnic.undiet).

## Related programs

- [OMAD](https://undiet.app/undiet/diets/fasting-omad.md)
- [Alternate Day Fasting](https://undiet.app/undiet/diets/fasting-adf.md)
- [Fasting 18:6](https://undiet.app/undiet/diets/fasting-18-6.md)
- [Fasting 4:3](https://undiet.app/undiet/diets/fasting-4-3.md)
- [Modified Alternate Day Fasting](https://undiet.app/undiet/diets/fasting-adf-modified.md)
- [Periodic Fasting](https://undiet.app/undiet/diets/fasting-periodic.md)

All programs: https://undiet.app/undiet/diets.md

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