The first human test of early time-restricted feeding found that this meal-timing strategy reduced swings in hunger and altered fat and carbohydrate burning patterns, which may help with losing weight. In early time-restricted feeding (eTRF), people eat their last meal by the mid-afternoon and don’t eat again until breakfast the next morning. The findings were unveiled during an oral presentation today at The Obesity Society Annual Meeting at ObesityWeek 2016 in New Orleans, Louisiana.
“Eating only during a much smaller window of time than people are typically used to may help with weight loss,” said Courtney Peterson, PhD, who led the study at Pennington Biomedical Research Center. “We found that eating between 8 am and 2 pm followed by an 18-hour daily fast kept appetite levels more even throughout the day, in comparison to eating between 8 am and 8 pm, which is what the median American does.”
Eating Dinner Early, or Skipping It, May Be an Effective Weight-Loss Strategy
To conduct their study, Dr. Peterson and colleagues followed eleven men and women with excess weight over four days of eating between 8am and 2pm (eTRF), and four days of eating between 8am and 8pm (average feeding for Americans). The researchers then tested the impact of eTRF on calories burned, fat burned and appetite. To eliminate subjectivity, the researchers had all participants try both eating schedules, eat the same number of calories both times, and complete rigorous testing under supervision.
“These preliminary findings suggest for the first time in humans what we’ve seen in animal models – that the timing of eating during the day does have an impact on our metabolism,” said Dale Schoeller, PhD, FTOS spokesperson for The Obesity Society and Professor Emeritus at the University of Wisconsin. “With additional research on early-time restricted feeding on humans, we can create a more complete picture of whether this innovative method can best help prevent and treat obesity.”