Third most abundant mineral in body and two thirds of body potassium is in skin and muscle cells. Blood cells contain 25 times potassium as in blood plasma. Potassium is absorbed in small intestine, but excess sodium can deplete potassium, so can sugar and alcohol. Unlike calcium and phosphorus, potassium is not readily stored and must be supplied daily in the diet. Potassium and sodium help regulate water balance within the body.
Potassium has key functions for many body processes.
It is necessary to stimulate nerve impulses for muscles. It is also functions with calcium to regulate neuromuscular activity. Reduced appetite a sign of potassium deficiency. Other symptoms are repressed growth, muscular weakness, stiffness and paralysis. Potassium acts as a break for regulating heart beat, suppresses heart flutter, helps prevent tetany, convulsions, and an unsteady gait.