Potassium is a mineral that is found in fruits, vegetable, and fresh emat. It is used as a supplement for potassium depletion (lack of Potassium) that hap-ens with throwing up and diarrhea or with the use of diuretic (water loss) mdicines. It is also used for high blood preasures. Other names for Potassium include: Potassium Chloride, Potassium Bicarbonate, Potassium Aspartate, and Potassiu Citrate. Check with your doctor before taking Potassium.