Without the proper amount in your system, your body takes the necessary amount from your bones to make up the deficit. Magnesium is the natural tranquilizer and relaxes jumpy muscles and nerves and counteracts irritability. It also aids in the digestion of protein, fats and carbohydrates. It is not necessary to replace the salt, but it is very important to replace the potassium. Severe potassium deficiency symptoms are nausea, muscle weakness, cramps, irritability, and finally total collapse.
Potassium helps against the effects of heat.
Those who do not perspire much do not need so much potassium. Those who do and take salt need double doses. Food sources that contains potassium are bananas, oranges, tomatoes, cabbage, celery, carrots, grapefruit, apples, beans, and fish. This is a vital oxygen carrying agent in the hemoglobin. Vitamin C will help in the body's absorbtion of iron.