These minerals are common in food. Sodium chloride is table salt, and both sodium and chloride are found in many, if not most, foods. Potassium is found in a wide variety of fruits, vegetables, meats, legumes, and nuts.
Eating a nutritious balanced diet should give your body essential minerals of sodium and chloride, potassium, magnesium and calcium.
Sodium chloride, potassium are electrolytes which are important for proper functioning of muscles.
How the body loses this minerals
Sportsmen & women, runners, athletes lose these minerals mainly through sweat.