Adam's usual caloric intake is 2200 kcal per day. According to the Dietary Guidelines for Americans, added sugars should contribute less than 10% of a person's total energy intake. Therefore, he should limit his added sugar intake to less than kcal per day.

The correct answer is - 220kcal.

Explanation:

An individual should not take excess amount of the sugar which can lead to various medical condition in long terms. To control the amount of the sugar intake in people according to the Dietary Guidelines for Americans suggested that one should take sugar 10% of total energy one take.

Adam's usual caloric intake = 2200

10% of total energy is = 2200 × 10/100

                                    = 220kcal.

Thus, the correct answer is = 220 kcal.

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