Increasing the Portion Size of a Meal in a Restaurant

Increasing the portion size of a meal in a restaurant increases the perceived value, but what does it do to the nutrient value of most meals?

A) It usually increases the caloric value of the meal and contributes to excessive kcalorie consumption.
B) It usually brings the nutritional value in line with meals eaten at home.
C) It contributes more vitamins and minerals to the diet and therefore is beneficial.
D) It does nothing to the nutrient value of the diet.