Does intermittent fasting promote faster weight loss? study disputes

A new study conducted at Southern Medical University in China shows that intermittent fasting does not lead to faster weight loss compared to traditional calorie-restricted diets.

The strategy, which advocates long periods without eating, is followed by celebrities like Deborah Secco, Glória Maria, Mayra Cardi, Jennifer Aniston and Nicole Kidman. And its benefits would include rapid weight loss.


The study, published in the New England Journal of Medicine this Thursday (April 21), was conducted on 139 obese people. Participants were divided into two groups: the first was allowed to eat only from 8 a.m. to 4 p.m., and the second was free to eat at any time.

Both groups followed a calorie-restricted meal plan for one year. Men should consume 1,500 to 1,800 calories a day and women 1,200 to 1,500 calories, about 25% fewer calories than the daily intake reported in a traditional diet.

By the end of the study, those who followed intermittent fasting had lost an average of 8 pounds, and those who restricted only calories had lost an average of 6.3 pounds. However, the researchers did not consider the difference significant, and no significant changes were observed in waist circumference, body fat, or lean mass between the participants in the two groups.

According to the researchers, the results show that calorie restrictions are primarily responsible for weight loss, not schedule restrictions. “There was no significant difference in weight changes between the two groups,” the researchers estimated in the journal.

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