Circadian influences on glycemic control in 24-hr fasts initiated at different mealtimes (opens in new tab)

IntroductionThis study investigated whether the timing of a 24-h fast influences indicators of glycemic control throughout the duration of the fast or upon refeeding.MethodsTwenty-four adults who have overweight or obesity (13 female, 11 male) completed this randomized crossover study involving three 24-h fasts initiated at either 8:00 am, 1:00 pm, or 6:00 pm followed by a 75 g oral glucose tolerance test (OGTT) which lasted 2 h. Continuous glucose monitors (CGMs) were employed to track inter...