Early changes in appetite and energy expenditure are not associated to body weight and fat losses in pre-menopausal women living with overweight/obesity.

Background: The aim of the study was to investigate whether early changes (1-week) in energy balance-related measures would predict changes in body weight (BW) and fat losses in women living with overweight/obesity.

Methods: BW, body composition (DXA), resting energy expenditure (REE)(indirect calorimetry), olfactory performance (Sniffin' Sticks), appetite and palatability (visual analogue scale) were measured at baseline, after a 1-week of caloric restriction as well as post-intervention (at 10 and 20 weeks) in a group of 30 women living with overweight/obesity.

Results: A significant decrease in REE (p = 0.

The rate of weight loss does not affect resting energy expenditure and appetite sensations differently in women living with overweight and obesity.

Background: Evidence of metabolic adaptations following weight loss is available in the literature. However, the impact of different degrees of caloric restriction on a comprehensive panel including energy expenditure (EE) and intake (EI), appetite, palatability and olfactory performance remains to be investigated. Accordingly, the purpose of the study was to investigate the changes in resting energy expenditure (REE), appetite, olfaction, palatability and EI in women who were engaged in either a slow (-500 kcal/day, 20-week) or in a rapid (-1000 kcal/ day, 10 weeks) weight loss program.