Westlake Nutrition and Brain Health Study

After wearing continuous glucose monitoring device (CGM) on baseline, participants will be provided with breakfast A on two consecutive days in a whoe 14-day monitoring period. The appearance of breakfast A is pseudorandom. Breakfast A contains white bread (100g) and milk powder (25g). Since lunch and dinner would serve as wash-out meals, participants will be free to choose food but provide a record of their diets.

After wearing CGM on baseline, participants will be provided with breakfast B on two consecutive days in a whoe 14-day monitoring period. The appearance of breakfast B is pseudorandom. Breakfast B contains plain oats (70g) and milk powder (25g). Since lunch and dinner would serve as wash-out meals, participants will be free to choose food but provide a record of their diets.

75 g pure glucose with 300 mL water per time per person is applied. In the following 3 hours, participants are advised to rest in a seated position, avoiding unnecessary walking or exercise. Energy-giving food items were still prohibited within this interval.