Читать книгу Intermittent Fasting For Dummies - Janet Bond Brill - Страница 15

Intermittent fasts cycle between periods of fasting with periods of eating. Whether or not you’re fasting, the body still requires energy to run efficiently. The body’s main source of energy is a sugar called glucose, which typically comes from carbohydrates such as grains, fruits, vegetables, and even sweets. Both your liver and muscles store the sugar and release it into the bloodstream whenever the body needs it.