Many health authorities recommend that Americans consume within
% of their total calories from carbohydrate

Many health authorities recommend that Americans consume within 10-25% of their total calories from carbohydrate.

Explanation:

According to reports from the Food and Nutrition Board presenting dietary reference values for Americans are:

For adults: 45 to 65% of the calories should be taken from carbohydrates, 20 to 35% from fat and 10 to 35% from protein.Keeping weight aside the adults and children can reach a total of nearly one hour of reasonably intense physical activity each day in order to sustain cardiovascular health.Added sugars must not exceed 25 per cent of total calories intake.For adults 50 years and younger the acceptable consumption for total fiber is set at 38 grams for men and 25 grams for women.

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