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What happens hour by hour — and where training fits.The Fasting Timeline

The ChiefMethod Fasting Timeline. Every claim graded: strong, moderate, limited, or experience.Every claim graded: strong, moderate, limited, or experience.

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Do you train fasted?

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Stephenischief training inverted on the bar

ChiefMethod / the practice

Hour 0 to 24+

What the body does, and how sure we are.

Training

Where a session fits in the fast.

Breaking the fast

How to break it well.

A note from Stephenischief

Hour 0 to 24+. What the body does, where a training session fits, and how to break the fast well.

Inside the timelineThree pages from the guide
Fasting Timeline page 1Fasting Timeline page 2Fasting Timeline page 3

Who it is for

Anyone looking to understand the evidence around fasting and training.

Who should speak to their GP first

If you are pregnant, diabetic, take medication that affects blood sugar or blood pressure, have a history of disordered eating, or are under 18, speak to your GP before fasting.