1. The 16/8 Method: This method involves fasting for 16 hours and eating within an 8-hour window. For example, you could choose to fast from 8 pm to 12 pm the next day. 2. The 5:2 Diet: This method involves eating normally for five days of the week and restricting your calorie intake to 500-600 calories on the other two days. 3. Eat-Stop-Eat: This method involves fasting for 24 hours, once