Consuming lemon juice prevents the development of kidney stones because it breaks up kidney stones and increases urine output. In addition, citrus fruits such as lemon and lime are also high in potassium and citric acids, which are beneficial in preventing stone formation.
Citric acid works in two ways. First, it binds with urinary calcium, which helps in reducing overly saturating urine. In addition, it binds with calcium oxalate crystals to prevent their further growth. Therefore, individuals with low urinary citrate, such as those diagnosed with hypocitraturia, should increase their intake of food items and beverages with high citric acid concentrations.
Ideally, individuals with kidney stones must consume 4 ounces of lemon juice daily. This home remedy can effectively and safely increase urine citrate levels without increasing the risk of developing calcium oxalate crystals.
Lastly, lemon juice functions as a diuretic, stimulating increased urine output. High urine output ensures that kidney stones pass through the urine more efficiently. Therefore, to prevent the formation of kidney stones, doctors recommend drinking lemon juice once or twice daily.