To ensure proportionality, the dietary guidelines for Americans recommend that 15-25% of our daily calorie intake should be calories that are supplied by

A. Complete or combined proteins

Explanation:

According to the Dietary Guidelines for Americans, 10-35% of the macronutrient protein should be the source of daily calories for adults. Proportionality or calorie balance is determined by total calorie intake. However, over-indulgence in certain foods can cause an excess of the recommended total calorie.

To ensure a balance in the amount of calories that are consumed, it is required that on average, adults should consume between 15-25% of proteins.

the answer should be true