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Potassium is a vitally important mineral in the cell.* Approximately 98 percent of the body's stores of potassium are within the cell. It is the ratio of intracellular-to-extracellular potassium that determines muscle cell excitability. Thus, potassium plays an essential role in the functioning of not only skeletal muscle, but also the heart muscle.* Potassium is essential for nerve impulse transmission, muscle contractility, and maintaining already normal blood pressure, energy production, and nucleic acid synthesis.* Epidemiological evidence suggests that diets high in potassium provide numerous benefits to cardiovascular health.*

A potassium deficiency can occur when large amounts of potassium are lost via the digestive system or the urinary tract; for example, prolonged use of a non-potassium sparing diuretic can cause a loss of potassium via the urinary tract. Individuals with eating disorders are also at risk for being potassium-deficient. A chronic potassium deficiency can result in several adverse health conditions; at a minimum, a low potassium level can result in a prolonged feeling of weakness and fatigue.

Potassium citrate helps prevent precipitates in the urine.* In addition, potassium citrate is effective for alkalinizing the urine.* Herbs such as goldenseal and uva ursi that support a healthy urinary tract – and are ingredients in Thorne's Uristatin – contain natural constituents that work most effectively in an alkaline urine.*

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