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Dietary Reference Intakes (DRIs): Acceptable Macronutrient Distribution Ranges

Food and Nutrition Board, Institute of Medicine, National Academies

Macronutrient

Range (percent of energy)

Children, 1–3 y

Children, 4–18 y

Adults

Fat

30–40

25–35

20–35

n-6 polyunsaturated fatty acidsa (linoleic acid)

5–10

5–10

5–10

n-3 polyunsaturated fatty acidsa (α-linolenic acid)

0.6–1.2

0.6–1.2

0.6–1.2

Carbohydrate

45–65

45–65

45–65

Protein

5–20

10–30

10–35

aApproximately 10 percent of the total can come from longer-chain n-3 or n-6 fatty acids.

SOURCE: Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids, Cholesterol, Protein, and Amino Acids (2002/2005). The report may be accessed via www.nap.edu.

Dietary Reference Intakes (DRIs): Additional Macronutrient Recommendations

Food and Nutrition Board, Institute of Medicine, National Academies

Macronutrient

Recommendation

Dietary cholesterol

As low as possible while consuming a nutritionally adequate diet

Trans fatty acids

As low as possible while consuming a nutritionally adequate diet

Saturated fatty acids

As low as possible while consuming a nutritionally adequate diet

Added sugarsa

Limit to no more than 25% of total energy

aNot a recommended intake. A daily intake of added sugars that individuals should aim for to achieve a healthful diet was not set.

SOURCE: Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids, Cholesterol, Protein, and Amino Acids (2002/2005). The report may be accessed via www.nap.edu.



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