Sodium citrate is a medication used to prevent and treat high acid levels in the body, metabolic acidosis, and kidney stones. It works by making the blood and urine less acidic, which helps the kidneys get rid of uric acid and prevent gout. Sodium citrate is also used as an alkalinizing agent in medical contexts to neutralize excess acid in the blood and urine, and to treat metabolic acidosis and chronic kidney disease. It is available in oral solution form and can be mixed with water before drinking it as directed. Sodium citrate is the sodium salt of citric acid and is a white, crystalline powder or white, granular crystals that are slightly deliquescent in moist air and freely soluble in water.