Early Eating Helps With Weight Loss Even Without Exercise – Scientists

Scientists have found that eating earlier in the day may lead to greater weight loss than consuming the same number of calories later.

In a study published in the journal Nutrients, adults who did not engage in regular physical exercise were assigned to eat either earlier or later in the day, with both groups consuming comparable calories.

The results showed that those who ate earlier lost more weight, even without a structured exercise program. Meanwhile, late eaters demonstrated better anaerobic power (i.e., the ability to perform short bursts of high-intensity activity).

The authors link this effect to so-called time-restricted eating (TRE)—a practice where all calories are consumed within a set time window. They note that TRE alone often reduces calorie intake by about 20%.

The mechanism appears to be that earlier eating helps the body switch more quickly into fat- and ketone-burning mode, rather than storing glucose as energy. The researchers emphasize that this is one of the first studies to directly compare early and late TRE in a group without active exercise.

However, it is important to note that the participants were healthy adults with low baseline physical activity, and the findings may not apply to all age groups or health conditions.

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