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If you’re indulging in big breakfasts and tiny dinners in pursuit of weight loss, a new study has some bad news. Filling up on calories early in the day doesn’t seem to help when it comes to shedding extra pounds.
The idea that having a hearty breakfast in the morning and then smaller portions in the evening can promote weight loss makes sense on the surface.
If one takes most of the calories early, he will have all day to burn them. This research, which focused on overweight adults dealing with diabetes or pre-diabetes, ultimately didn’t end up supporting this theory.
This 12-week study concludes that limited-time eating (limiting most of your daily calories to a specific time of day) does not impact weight in one way or another, at least among study participants. All study subjects ate the same daily amount of food for the duration of the experiment, but one group of participants ate most of the calories before 1pm, while another group ate 50% of the daily calories. after 17:00
“We have long wondered whether eating during the day affects how the body uses and stores energy,” says study author Nisa M. Maruthur, MD, MHS, associate professor of medicine, epidemiology and nursing. at Johns Hopkins University in Baltimore, in a release. “Most of the previous studies did not check the number of calories, so it was unclear whether the people who ate earlier only ate fewer calories. In this study, the only thing we changed was the time of day we ate. “
A total of 41 adults took part in this study. Most (90%) were African American women and the average subject was 59 years old at the time of the experiment. Among that group of 41, 21 adults were assigned the time-limited eating condition (consuming 80% of daily calories in the morning). The other 20 participants ate according to a more usual schedule. Each person’s weight and blood pressure were measured at the start of the experiment, four weeks later, eight weeks later, and after the full 12 weeks.
The results were clear enough. It’s not about when you eat, it’s about what you eat. All participants were given a healthy and nutritious diet during the study. Subsequently, adults in both experimental groups showed weight loss and decreased blood pressure regardless of when they were eating meals.
“We thought the limited-time group would lose more weight,” adds Dr. Maruthur. “Yet it didn’t happen. We didn’t see any difference in weight loss for those who ate most of their calories earlier than those later in the day. We didn’t see any effect on blood pressure either. “
So instead of loading bacon, eggs, and pancakes in the morning and going out to dinner with a salad, a better idea would be to eat healthy throughout all of your daily meals and snacks. It’s easier said than done, but there are few shortcuts when it comes to nutrition. After all, you are what you eat.
This research will be presented at the American Heart Association Scientific Sessions 2020.
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