Eat-Stop-Eat: 24-Hour Fast Schedule, How to Plan, What to Eat
Eat-Stop-Eat means doing one or two complete 24-hour fasts each week with normal eating in between. It's structurally simple and pulls you firmly into ketosis without the daily commitment of OMAD or 20:4. Best run dinner-to-dinner so you never spend a full waking day fasted.
How Eat-Stop-Eat works
Pick a day. Eat dinner around 19:00. Don't eat again until 19:00 the following day. Water, black coffee, plain tea, and electrolytes are fine throughout. Run this once or twice a week, never two days in a row.
A sample day
- Day 1, 19:00Final meal: balanced protein + vegetables + carbs.
- Day 2, 07:00Wake. Water + sea-salt pinch + black coffee.
- Day 2, 12:00Hunger peak. Walk, water, tea.
- Day 2, 16:00Magnesium + potassium dose if cramping.
- Day 2, 19:00Break fast with a moderate, easy-to-digest meal.
- Day 3+Return to normal eating.
What happens in your body
Physiological milestones reached during a 24-hour fast.
- h4
Blood sugar normalizes
Insulin drops back to baseline as your last meal finishes digesting.
- h8
Glycogen burning begins
Your liver starts releasing stored glycogen to keep blood glucose steady.
- h12
Glycogen depletion
Liver glycogen runs low; the body shifts toward fat for fuel.
- h14
Fat burning accelerates
Lipolysis ramps up — stored triglycerides break down into free fatty acids.
- h16
Mild ketosis starts
The liver begins producing ketones from fatty acids. Mental clarity often improves here.
- h18
Growth hormone rises
HGH increases up to 5×, supporting muscle preservation and tissue repair.
- h24
Autophagy begins
Cells start digesting damaged proteins and organelles — the housekeeping phase.
What to eat
Eating days look normal — don't compensate by overeating. The break-fast meal should be easy on your gut: cooked vegetables, lean protein, a small portion of starchy carb. Save the heavy meal for the next day.
How to break the fast
- Vegetable soup with chicken and rice
- Salmon with steamed greens and sweet potato
- Eggs scrambled with vegetables and toast
- Bowl of dal with basmati rice and yogurt
Who it's for
- • People who prefer a few intense fasts over daily restriction
- • Those who want autophagy-adjacent benefits without 36+ hour fasts
- • Athletes who want the metabolic benefit while keeping training days fueled
Benefits
- • Hits ketosis reliably by hour 18–20
- • Brushes early autophagy at hour 24
- • Fits around social events when you pick non-event days
Risks & cautions
- • Energy crash and irritability common in the first 2–3 sessions
- • Need to manage sodium and magnesium
- • Don't pair with intense training the same day
Frequently asked questions
Can I do Eat-Stop-Eat twice a week?
What's the difference between Eat-Stop-Eat and 5:2?
Will my metabolism slow down on Eat-Stop-Eat?
Should I lift weights on a fasting day?
Related schedules
Track your Eat-Stop-Eat fast in QoFast
Live timer, milestone tracking, water and electrolyte logging — free on iOS & Android.
