Changing your meal schedule can help lose weight

Trying to lose weight? Changing your eating schedule – such as having an early dinner or even skipping it – can help reduce hunger pangs and boost fat burning.

“Eating only during a much smaller window of time than people are typically used to may help with weight loss,” said Courtney Peterson, an associate professor at University of Alabama at Birmingham in the US.

“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 average American does,” said Peterson.

The study is the first human test of early time- restricted feeding (eTRF). This meal-timing strategy reduced swings in hunger and altered fat and carbohydrate burning patterns, which may help with losing weight.

With eTRF, people eat their last meal by the mid- afternoon and do not eat again until breakfast the next morning.

The research suggests that eating a very early dinner, or even skipping dinner, may have some benefits for losing weight, although further studies need to take place to confirm that theory.

Previous animal studies showed that eTRF helped rodents burn more fat.

The human body has an internal clock, and many aspects of metabolism are at their optimal functioning in the morning.

Therefore, eating in alignment with the body’s circadian clock by eating earlier in the day may positively influence health.

This first test of eTRF in humans follows rodent studies of this approach to weight loss, which previously found that eTRF reduced body fat and decreased the risk of chronic diseases in rodents.

During the human study, researchers followed 11 men and women with excess weight over four days of eating between 8 am and 2 pm, and four days of eating between 8 am and 8 pm.

Researchers then tested the impact of eTRF on calories burned, fat burned and appetite.

Participants tried both eating schedules, ate the same number of calories both times and completed all testing under supervision.

Researchers found that, although eTRF did not affect how many total calories participants burned, it reduced daily hunger swings and increased fat burning during several hours at night.

It also improved metabolic flexibility, which is the body’s ability to switch between burning carbs and burning fats.

Whether eTRF helps with long-term weight loss or improves other aspects of health is still unknown. A larger, more comprehensive study will need to take place to find out, Peterson said. 

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