Protein and Satiety in Older Adults (PROSAT)

Inclusion Criteria: * healthy * aged ≥ 65 years Exclusion Criteria: * having diabetes or disability or any disease that are likely to influence physical activity or appetite. * having an allergy to any of the test foods; * disliking or cannot eat any of the test foods; * being obese (BMI \> 30 kg/m2); * taking medications known to influence appetite, food intake or body weight in the past three months; * being on a weight loss diet; * smoking more than 10 cigarettes a day; * not meeting the cut-off point criteria based on the accelerometer data (108.25 ≤ min/per day of moderate and vigorous activity for women or 162 ≥ min/per day moderate and vigorous activity for women and 100.1 ≤ min/per day of moderate and vigorous activity for men or 133.25 ≥ min/per day moderate and vigorous activity for men).