Calories provide energy for the body, coming from protein, carbohydrates and the fat from your food. The amount of calories needed depends on age, sex, state of health and activity level.
The body needs protein to grow, heal and stay healthy. Protein helps you maintain muscle mass and plays a role in tissue repair. Greater resistance to infections and faster recovery after surgery is also a benefit.
This is a mineral that is found in the blood, and in chronic kidney disease, since the kidneys do not function well, potassium builds up. This build up affects heart rhythm regularity. Eating too much potassium can be very dangerous for the heart.
This is found in salt and other foods. Most canned and frozen foods contain excessive amounts of sodium. Too much sodium makes you thirsty. But if you drink more fluids, the heart will have to work harder to pump fluid throughout the body.
Phosphorus is a mineral that is present in many foods. Too much phosphorus in the blood takes calcium from the bones. Loss of calcium will weaken the bones and increase risk of suffering fractures.