During intermittent fasting, your body exhausts its glucose stores and switches to burning stored fat for fuel — a state called ketosis. This metabolic shift triggers the release of fat-burning hormones, reduces inflammation, and sharpens brain function. Most people begin noticing real changes within 10–14 days of consistent fasting. After your last meal, your body gets busy digesting. Insulin — the hormone that stores energy — rises to handle the incoming nutrients. As digestion finishes, insulin begins to fall. This…
What Happens to Your Body During Intermittent Fasting?
Discover exactly what happens to your body during intermittent fasting — from insulin drop to ketosis, fat burning, and long-term metabolic repair.
2026-05-19
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