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*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.


Potassium is a mineral that plays many critical roles in the body. Food sources of potassium include fruits (especially dried fruits), cereals, beans, milk, and vegetables.

Potassium is used for treating and preventing low potassium levels. It is also used to treat high blood pressure and prevent stroke.

Some people use it to treat high levels of calcium, a type of dizziness called Menière's disease, thallium poisoning, insulin resistance, symptoms of menopause, and infant colic. It is also used for allergies, headaches, acne, alcoholism, Alzheimer's disease, confusion, arthritis, blurred vision, cancer, chronic fatigue syndrome, an intestinal disorder called colitis, constipation, dermatitis, bloating, fever, gout, insomnia, irritability, mononucleosis, muscle weakness, muscular dystrophy, stress, and with medications as treatment for myasthenia gravis.

Healthcare providers give potassium intravenously (by IV) for treating and preventing low potassium levels, irregular heartbeats, and heart attack.

How does it work?

Potassium plays a role in many body functions including transmission of nerve signals, muscle contractions, fluid balance, and various chemical reactions.

Traditionally used for

Low levels of potassium in the blood (hypokalemia).
High calcium in the urine (hypercalciuria).
High blood pressure.
Dental pain.
Insulin resistance.


By Mouth:

Potassium supplementation must be tailored for each person and based on the person's serum potassium level, which should be maintained between 3.5-5 mEq/L. The normal adult daily requirement and usual dietary intake is 40-80 mEq daily.

For preventing low levels of potassium: 20 mEq is typically taken daily.

For treating low levels of potassium: the common dose of potassium is 40-100 mEq or more daily, in two to four divided amounts.

For treating high levels of calcium: 1 mEq/kg is taken daily or four tablets of Urophos-K are taken twice a day.
For high blood pressure: the typical dose is 48-90 mEq daily.

For preventing stroke: dietary intake of approximately 75 mEq (about 3.5 grams of elemental potassium) daily may reduce risk.

Foods that contain at least 350 mg potassium can be labeled “Diets containing foods that are good sources of potassium and low in sodium may reduce the risk of high blood pressure and stroke.”

Possible Side Effects

Potassium is SAFE for most people when given intravenously (by IV) and appropriately or when taken by mouth in amounts of up to 90 mEq of total potassium from the diet and supplements combined. Potassium can cause stomach upset, nausea, diarrhea, vomiting, intestinal gas, and other side effects.

Too much potassium is UNSAFE and can cause feelings of burning or tingling, generalized weakness, paralysis, listlessness, dizziness, mental confusion, low blood pressure, irregular heart rhythm, and death.

Special Precautions & Warnings

Pregnancy or breast-feeding: Potassium is SAFE when obtained from the diet in amounts of 40-80 mEq per day. Taking too much potassium is UNSAFE during pregnancy and breast feeding.

Disorders of the digestive tract that might alter the speed food and supplements pass through the body (GI motility conditions): If you have one of these disorders, do not take potassium supplements. Potassium could build up to dangerous levels in your body.

Allergy to aspirin or tartrazine products: Avoid potassium supplements that contain tartrazine.

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