If you are not getting enough calories, the protein you eat, and the protein in your body will be broken down for fuel. The vitamins A, D, E, and K are found in fats and oils contained in foods like liver, nuts, seeds, milk, butter and egg yolk. Fats provide concentrated calories in foods like ice cream, milkshakes, cheese, meats and peanut butter. A high fat intake is not a good idea because it can cause digestive problems, diarrhea, and malabsorption. Some fat in your diet is necessary, but try to aim for a moderate amount.
Water is essential for every cell in our body to function properly.
Drink at least eight cups of fluid daily. If you are losing water through sweats, diarrhea or vomiting increase your fluid intake to 10 cups. If you need to gain weight, choose fluids that contain calories, such as juice, milk, milkshakes, soups. Micronutrients provide the fine tuning and regulate many of the activities of our cells. They do not provide calories or protein, and cannot replace food.