What's Happening to Your Body When You Fast: 0-72 Hours Explained!

What's Happening to Your Body When You Fast: 0-72 Hours Explained!
0-6 Hours: Your body burns glucose from your last meal, and insulin drops. You feel mild hunger but your energy is stable.

6-16 Hours: Glycogen stores run low, and your body starts burning fat. Hunger increases and you may feel irritable.

16-24 Hours: Ketones start forming, your body enters fat-burning mode, and autophagy (cell repair) kicks in.

48-72 Hours: Your body is deep into ketosis, burning fat efficiently. Autophagy peaks, but you may feel weak or hungry. Stay hydrated!