
Extended Fast
72 Hour Fasting
Three full days with water only. This is an advanced fast, so try shorter fasts first.
Prepare well, drink plenty, and break the fast gently.
What Happens in Your Body
- Day 1Hunger waves. Feels hardest. Hunger comes and goes. Drink water.
- Day 2Fat burning. Your body runs on fat. Energy often feels steadier.
- Day 3Repair mode. Cells clean up and repair. Take it easy and rest.
Preparation
- Ask a doctor first. Especially if you take medicine.
- Do shorter fasts first. Get comfortable with 16:8 or 24 hours.
- Pick a calm week. No heavy workouts, travel or stress.
- Get electrolytes ready. Salt, magnesium and potassium help a lot.
During the Fast
- Drink plenty. 2–3 liters of water a day, with a pinch of salt.
- Zero calories only. Water, black coffee or plain tea.
- Move gently. Short walks and stretching. Skip hard workouts.
- Rest more. Feeling tired on day 2 is normal.
- Know when to stop. Dizzy, faint or heart racing? Break the fast.
Breaking the Fast
- Start light. Soup, broth or a boiled egg.
- Wait a bit. Give it 30–60 minutes before a full meal.
- Keep it simple. Skip sugar, fried and heavy food at first.
- Eat small meals. 2–3 small meals instead of one big feast.
Potential Benefits
- Deep cell cleanup and repair
- Better blood sugar control
- Fewer sugar cravings afterwards
- Clearer mind for many people
Risks & Cautions
- Headaches, cramps or dizziness
- Low blood pressure or fainting
- Poor sleep and mood swings
Who Should Avoid It
- Beginners to fasting
- Pregnant or breastfeeding women
- Children, teens or anyone underweight
- People with eating disorders
- People with diabetes, heart, kidney or liver problems
Daily Habits
- Morning: Drink water first thing. Black coffee or plain tea is fine. Take electrolytes early to stay ahead of headaches.
- Mid-fast: Stay busy with light tasks and short walks. Hunger waves usually pass within 20–30 minutes.
- Evening: Wind down early. A warm shower or light stretching can improve sleep and reduce evening cravings.
This information is for educational purposes only and is not medical advice. A 72-hour fast carries real risks. Consult a qualified healthcare professional before attempting any extended fast, especially if you take medication or have a medical condition.