Potassium is a vital mineral in human nutrition. It is highly concentrated within cells, where it acts to promote proper fluid balance and pressure in regards to the water systems within your body. Fluid retention problems, intolerance of heat, or fatigue can be signs of a lack of potassium. Potassium is needed to maintain healthy blood pressure.*

Potassium is also needed by your nerves and muscles to function properly. Potassium helps muscles contract, thus muscle weakness may be a sign of a lack of potassium. Potassium is needed within nerves to facilitate nerve transmission. Because your heart is a muscle that is run by nerves a ...