What is the 4 Hour Fasting Diet? (20:4 Intermittent Fasting)
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5 min read
According to an 8-week human trial published in 2022, participants following a 4-hour time-restricted feeding schedule experienced comparable mild reductions in body weight (around 3%) and significant decreases in insulin resistance compared to those on a 6-hour schedule. This approach is an intense form of intermittent fasting that restricts all daily caloric intake to a very short 4-hour window.
