For a 2,000-calorie diet, this amounts to a maximum of 22 grams of saturated fat if youâre healthy, or just 15.5 grams if youâre worried about your heart. These fat grams take up some of your total fat gram allowance for the day.
Carbohydrates have six major functions within the body: 1  Providing energy and regulation of blood glucose. 2  Sparing the use of proteins for energy. 3  Breakdown of fatty acids and preventing ketosis. 4  Biological recognition processes. 5  Flavor and Sweeteners.
Carbohydrates provide your body with the glucose it needs to function properly. There are two types of carbohydrates: complex and simple. Foods rich in complex carbohydrates and fiber are called good carbohydrates. Simple carbohydrates include foods with added sugars -- these are called bad carbohydrates.oods rich in complex carbohydrates and fiber are called good carbohydrates. Simple carbohydrates include foods with added sugars -- these are called bad carbohydrates.