K STON TABGenerics Potassium Citrate Used For Kidney Disease How it works When given orally, the metabolism of absorbed citrate produces an alkaline load. The induced alkaline load in turn increases urinary pH and raises urinary citrate by augmenting citrate clearance without measurably altering ultra filterable serum citrate. In addition to raising urinary pH and citrate, increases urinary potassium by approximately the amount contained in the medication. It