So what really  happens to your body during a 24 hour fast? Believe it or not, you will not shrivel up and wither away! Our bodies are  smarter than they (sometimes) appear and have biochemical mechanisms in place to adapt. Eight hours after your last meal, your body enters the “fasting” state because it takes about that long for your body to FULLY digest and absorb all nutrients (depending on the content of your pre-fast meal). At this time, your body uses its carbohydrate [glucose] stores (AKA glycogen) to provide energy. After an overnight fast, you will mostly deplete your liver glycogen stores. Research shows that after a 24-hour fast, without exercise, muscle glycogen stores were reduced by about 50%. Once you use up your…