Fasting in plain English, from someone who’s actually done it.
From the gentle on-ramp of 12:12 to the gold standard of 72 hours. One ladder, climbed at your pace, by a bloke who’s done it, not a man in a lab coat.
Free, with one good email a week. No spam, ever.

The 7-Day Planner
A proper week to find your feet. Track it, learn it, feel the difference, then decide where you go next. Yours free.

The Book
The 72-Hour Fast: thirty chapters, from why it works to your first 72, hour by hour. Kindle, paperback and hardcover.
Hunger is a wave, not a gauge. It comes, it peaks, it passes.
Why listen to me?
I’m not a doctor. I’m not a dietitian. I’m a curious bloke who got fed up of feeling tired and creaky, tried the oldest experiment in the human cookbook (not eating for a bit) and found it worked. Then I spent years reading the proper scientists, testing it on myself, and writing down what actually held up.
Everything here is borrowed, honestly, from the people who did the real work: Fung, Pelz, Longo, Attia, Panda and a handful of others. I’m the cook, not the farmer. What I’ve added is the running order, plain English, and a refusal to sell you anything that doesn’t work. More about me →
The ladder
Seven rungs. Climb at your pace. Most people find their level somewhere in the middle, and that’s a complete answer.
- 12:12: the overnight twelve. Your great-grandmother did it without trying.
- 16:8: the one most people live on, happily, for years.
- 18:6 and 20:4: the warrior windows.
- OMAD: one meal a day. A rung, not a religion.
- The 24: dinner to dinner, once or twice a week.
- The 36 and 48: where the deeper benefits start to show up.
- The 72: three days. The gold standard, a few times a year.
From the diary
I started writing this down in 2017, long before the book, and I still write every week. The newest are below. The old ones are still here too, with a note where I’d say it differently now.
- Dear Reader, Its been 4 years to the week we started this little blog…
- Good Fats? And how to get em’!
- Eggs Is Eggs Is Eggs & Choline
One good email a week
A single idea and one small thing to try, from me to you. The free 7-Day Planner comes with the first one.
No spam, ever. Unsubscribe any time.
And as well as being kind to yourself — remember to always be kind to each other.
Greg x
