Tag: 20 hour fasting

According to a 2020 study in *Cell Metabolism*, participants following a 4-hour eating window lost approximately 3% of their body weight over eight weeks without intentionally counting calories, showing the potential for this method. This guide will explain how to do a 20 hour fasting and maximize its benefits.

Research indicates that fasting for extended periods can trigger significant metabolic changes, pushing the body beyond standard energy usage. This intensive process is key to understanding **what happens when you fast for 20 hours**, a more advanced form of intermittent fasting known as the 20:4 method.