 According to body weight status of participants, the investigators considered a slight calorie restriction ranged from 200 to 300 Kcald. Planed meals and exchange list prescribed for all volunteers. Dietary records forms were given to all subjects and they were educated how to record their dietary intakes. The investigators asked subjects not to change their physical activity level during the study and monitored them for their physical activity level by 3 days physical activity records monthly. 