When it comes to weight loss, it's important to know the approximate amount of calories and fat you eat each day.
Calories add up from the amounts of protein, carbohydrate and fat in foods.
Each type of calorie has a very different function in the body. Each gram of carbohydrate contains four calories. Protein calories help the body to build and restore. Each gram of protein has four calories. Fat enables you to absorb vitamins, such as A, D, and E. Certain fatty acids are necessary for growth, and maintaining healthy organs and skin.