The guides
Water fasting, explained from a real one
Most fasting guides are written from research. These are written from a doctor supervised 90 day water fast that is still running. One page per question people actually search, each anchored on John's own numbers.
46days lived so far
50.2pounds gone since Aug 1
10guides live, one more lands every day
9durations he has already crossed
The duration ladder
Every rung below is a morning John actually woke up to. Gold means the full guide is live. The rest link to the day he crossed it until their guide ships.
24HOURS 1 day 224.2 LB · −4.4 Read the guide → 48HOURS 2 days 220.6 LB · −8.0 Read the guide → 3DAYS 72 hours 218.0 LB · −10.6 Read the guide → 5DAYS 120 hours 214.0 LB · −14.6 Crossed on day 6 · read the note → 7DAYS one week 211.4 LB · −17.2 Read the guide → 10DAYS 240 hours 207.2 LB · −21.4 Read the guide → 14DAYS two weeks 204.3 LB · −24.3 Crossed on day 15 · read the note → 21DAYS three weeks 197.9 LB · −30.7 Crossed on day 22 · read the note → 30DAYS one month 192.0 LB · −36.6 Read the guide → 90DAYS in progress DAY 46 · 178.4 LB Follow it live →
By topic
The questions under the durations. Each one becomes a full guide in turn. Until then the journal post that covers it is linked.
START HERE Water fasting, the complete guide The head to toe page. What a water fast is, what you can drink, what happens hour by hour, what the weight is made of, the blood, the risks and who should never try it. Read the full guide → RESULTS Every result and milestone in one place The morning scale at 24 hours, one week, ten days, one month and 40 days, plus the body scan, both lab panels and the week the number went backwards. See all the results → BENEFITS Water fasting benefits, by day What actually changed, measured. Weight, strip, scan and blood, on the day it changed. And what this fast cannot prove. Read the benefits guide → AUTOPHAGY Autophagy and water fasting What the 2016 Nobel Prize actually rewarded, why no hour by hour timeline is a measurement and what John's strip shows, day 1 to day 36. Read the autophagy guide → STAGES The stages of a water fast Glycogen, the switch, ketosis, the hard day and the long steady middle, hour by hour and then day by day, laid over one measured fast. Read the stages guide →
Guides live now
GUIDE · September 12, 2026 Water Fasting. What It Is, What Happens and What One Measured Fast Really Shows The complete water fasting guide, written from inside a doctor supervised 90 day water fast that is still running. What a water fast is, what you can drink, what happens hour by hour and then day by day, what the weight is actually made of, what the ketone strip and two published blood panels show, how long people fast, the risks that matter and who should never attempt one.. Read the guide → GUIDE · September 10, 2026 Water Fast Results. Every Milestone From One Measured 90 Day Fast Every measured result from one doctor supervised 90 day water fast, in one place. The morning scale at 24 hours, 48 hours, 3 days, one week, 10 days, two weeks, three weeks, one month and 40 days. Read the guide → GUIDE · September 9, 2026 10 Day Water Fast. Real Results, What Happens Each Day and One Measured Ten Days What a 10 day water fast actually does, written from a measured one. The first ten full days of John's doctor supervised 90 day water fast, with the morning scale, the ketone strip and his own words on every day. Read the guide → GUIDE · September 8, 2026 The Stages of a Water Fast. The Real Timeline, Hour by Hour and Day by Day The stages of a water fast laid over a real one. Hour 0 to hour 168 and then day 8 to day 39 of John's doctor supervised 90 day water fast, with the morning scale, the ketone strip and his own words at every stage. Read the guide → GUIDE · September 7, 2026 7 Day Water Fast (One Week). Benefits, Results Day by Day and One Real Week What a 7 day water fast actually does, written from a measured one. The first week of John's doctor supervised 90 day water fast, with the morning scale, the ketone strip and his own words on every single day. Read the guide → GUIDE · September 7, 2026 24 Hour Fast and 48 Hour Fast. What 1 and 2 Days of Water Fasting Really Do What a 24 hour fast and a 48 hour fast actually do, written from a measured one. The first two mornings of John's doctor supervised 90 day water fast, with the scale, the ketone strip and his own words at the 24 and 48 hour marks. Read the guide → GUIDE · September 5, 2026 Autophagy and Water Fasting. The Nobel Science, the Timeline Nobody Can Measure and What a Strip Shows Autophagy is the reason John, 56, is on day 36 of a doctor supervised 90 day water fast. This guide separates three things every autophagy fasting page mixes together. Read the guide → GUIDE · September 4, 2026 Water Fasting Benefits. What Actually Changed, Measured Day by Day The benefits of water fasting, written from a measured one instead of a list of claims. John is 35 days into a doctor supervised 90 day water fast with a scale photo, a body scan and a ketone strip from every morning plus two blood panels. Read the guide → GUIDE · September 3, 2026 30 Day Water Fast (One Month). Real Results, Week by Week What 30 days of water fasting actually does, written from a measured one. John hit the 30 day mark of a doctor supervised 90 day water fast with a scale photo, a ketone strip and a body scan from every single morning. Read the guide → GUIDE · September 1, 2026 3 Day Water Fast (72 Hours). Benefits, Stages and Real Results What a 3 day water fast actually does, written from a measured one. John's first 72 hours of a doctor supervised 90 day water fast, with the morning scale, the ketone strips and the body scan on every day. Read the guide →
EVERY GUIDE PUBLISHES ONLY AFTER JOHN HAS LIVED THE DAYS IT COVERS. NOTHING HERE IS WRITTEN FROM RESEARCH ALONE.