03/05/2026
Water fasting for 4 & a half Days
At 17 to 48 hours you reach The metabolic switch:
Glycogen (stored carbs) runs out
Body shifts into ketosis (fat burning)
Hunger hormones spike, then start to settle
You may feel:
Headaches, irritability
Strong cravings
Then a slight easing of hung
Day 3 Deep ketosis fat burning 72hours in Ketones now fuel your brain
Autophagy increases (cellular clean-up)
Blood sugar stabilises at a lower level
Often reported:
Mental clarity or calm
Less hunger
Lighter feeling in the body
Day 4 Biboy starts to rebuild Cells it’s not in survival mode. Ketones now fuel your brain
Autophagy increases (cellular clean-up)
Blood sugar stabilises at a lower level
Often reported:
Mental clarity or calm
Less hunger
Lighter feeling in the body
⚠️ This is Not for everyone:
Diabetes, pregnancy, eating disorders, certain medications heart problems.