According to the Food and Nutrition Board of the National

According to the Food and Nutrition Board of the National Academy of Sciences:

A) An individual should have at least 10% of total calories eaten containing sugar.
B) Both adults and children should ingest 100 grams or less of carbohydrates each day.
C) Forty-five to sixty-five percent of kcalories should come from carbohydrate to minimize disease risk.
D) People with diets high in added sugar have higher intakes of essential nutrients.