How to naturally lose weight fast While there are endless diets, supplements, and meal replacement plans claiming to ensure rapid weight loss, most lack any scientific evidence. There are, however, some strategies backed by science that do have an impact on weight management. These strategies include exercising, keeping track of calorie intake, intermittent fasting, and reducing the number of carbohydrates in the diet. In this article, we consider some effective methods of weight loss. Science-backed ways to lose weight Share on Pinterest Alexander Spatari/Getty Images Methods of weight loss that scientific research supports include the following: 1. Trying intermittent fasting Intermittent fasting (IF) is a pattern of eating that involves regular short-term fasts and consuming meals within a shorter time period during the day. Several studies Trusted Source have indicated that short-term intermittent fasting, which is up to 24 weeks in duration, leads to weight loss in ...