Potassium ions are the principal cations found inside cells in the body. Bananas, orange juice, and potatoes are good sources of Potassium ions help regulate cellular functions, including nerve impulses and heartbeats, and the level of body fluids. Chloride ions are the principal anions found outside cells in the body.
There are five primary macronutrients: protein, fat, vitamins, minerals and carbohydrate. Macronutrients are defined as a class of chemical compounds which humans consume in the largest quantities (must be above a threshold amount) and which provide humans with the bulk of energy.
As you know, there are three major macronutrients in food: carbohydrates, proteins, and fats. For you to be able to effectively calculate your daily caloric intake, you need to focus on understanding the caloric makeup of each of these macronutrients. However, not all calories are created equally.