17.05.12
Overeating, Protein, & Weight Gain: Study Results
Other experts have suggested that overeating either on a low- or high-protein diet would produce less weight gain than overeating with normal protein intake.
Bray and his team set out to assess how the level of protein affects not only weight gain when you overeat, but also body composition (what percent of you is lean vs. fat) and resting energy expenditure (the amount of calories your body burns at rest).
Bray's team studied 25 healthy men and women, ages 18 to 35, between 2005 and 2007. Their average body mass index or BMI ranged from nearly 20 to nearly 30. A BMI of 18.5 to 24.9 is considered normal weight.
Each participant first ate a weight-stabilizing diet for 13 to 25 days. Next, they were assigned to one of three groups: a 5%, 15%, or 25% protein diet. During the next eight weeks, they were fed one of the three protein levels in a diet that had about 1,000 extra calories a day.
The researchers evaluated their weight, body composition, and resting energy expenditure before and after the study.
Source: WebMD