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 account for the majority of the calories consumed in the standard American diet. The main role of carbohydrates is to provide energy to your body, such as your brain, red blood cells and muscles. The daily carbohydrate requirements for women can vary depending on their age, physical activity levels, health status and weight.