NewsletterOther Diets & Books

Time restricted eating & weight loss

Executive summary

* This week's note reviews a randomised controlled trial, which assessed whether calorie restriction with time-restricted eating was better than calorie restriction alone.

* The study involved 139 patients with a BMI between 28-45. They were assigned to either calorie restriction alone (approximately 75% of baseline calorie intake) or the same calorie restriction but with the additional restriction of only being able to eat between 8am and 4pm.

* The primary outcome of interest was weight loss. Secondary outcomes were waist circumference, BMI, amount of body fat and measures of metabolic risk factors.

* There were no significant differences between the two groups for any measure of interest. Time-restricted eating made no additional difference beyond the calorie restriction.

* The results disproved the 3,500 calorie theory, which states that one pound of fat will be lost for every 3,500 calorie deficit created.

* The rest of the note reviewed the wider literature on time-restricted eating to see if the right study has been done and what we know generally about this topic of increasing interest.


The rest of this article is available to site subscribers, who get access to all articles plus a weekly newsletter.
To continue reading, please login below or sign up for a subscription. Thank you.