Although the central concept of marginalism is that of marginal utility, marginalists, following the lead of Alfred Marshall, drew upon the idea of marginal physical productivity in explanation of cost.
The Dietary Guidelines for Americans recommends that carbohydrates make up 45 to 65 percent of your total daily calories. So, if you get 2,000 calories a day, between 900 and 1,300 calories should be from carbohydrates.That translates to between 225 and 325 grams of carbohydrates a day.You can find the carbohydrate content of packaged foods on the Nutrition Facts label.o, if you get 2,000 calories a day, between 900 and 1,300 calories should be from carbohydrates. That translates to between 225 and 325 grams of carbohydrates a day. You can find the carbohydrate content of packaged foods on the Nutrition Facts label.
Carbohydrate Calories. Healthy adults need about 50 to 100 grams of carbohydrates each day, and about 45 to 65 percent of total caloric intake should come from carbohydrates. Football players, however, are at an increased need for carbohydrates due to the need to refuel muscle glycogen.About five to six grams of carbohydrates per 2.2 pounds of body weight is required for football, according to the National Strength and Conditioning Association.ealthy adults need about 50 to 100 grams of carbohydrates each day, and about 45 to 65 percent of total caloric intake should come from carbohydrates. Football players, however, are at an increased need for carbohydrates due to the need to refuel muscle glycogen.