Potassium citrate is a citrate, a white, slightly hygroscopic crystalline powder. It has the taste of normal saline. Can be used as a food additive to adjust the acidity. It can also be used medically to control uric acid or cystine from kidney stones.

Potassium citrate is a common mineral/salt that can be found in many foods. This mineral helps to reduce the acidity of the urine and therefore has a role in the treatment of kidney disease and gout. It works by helping to transmit nerve impulses, improve muscle function, and treat various metabolic disorders. The action of potassium citrate also includes muscle contraction that helps the heart, bones, and smooth muscles. It helps produce energy and nucleic acids. In addition, this mineral helps maintain cell health and normal blood pressure.