Call it a New Gen trend or a healthier style of living. Intermittent fasting is one of the most popular diets in which people are adapting to stay fit and healthy. Intermittent fasting is a cycle of fasting and eating alternatively, which restricts calories intake and requires extended periods of fasting. The extended period of not eating can be different as per the IF programs that are for a few hours, some for certain meals of a day, some fasting for a few days each week, some fasting for different days each month.