In Type -2 diabetes patients an intermittent fasting of 8/16 hours resulted in more weight loss a study shows. These patients who volunteered for the research ate whatever they wanted in 8 hours window (and 16 hours fasting) and lost more weight than the people who cut their calorie intake by 25%

Fast for 16 hours every day :In this method of fasting one will be fasting 15 hours and within 8 hours window two to three meals should be consumed

Fasting for 2 days per week :This is also known as 5:2 diet. Fasting two days a week with restricted calorie intake is the idea here

Eat stop eat :This is another traditional intermittent fasting observed by many religions.

Alternate-Day Fasting :Fasting every other day or alternate days by restricting calorie intake or full fasting

People follow warrior diet during festival occasions or on particular days of week (Monday, Thursday or Saturday)

Prolonged fasting: Going on fasting for 40+ hours is prolonged fasting. This type of intermittent fasting used by many fitness gurus and health professionals.