Yes, there is a potential relationship between kidney stones and certain chemicals found in fruits. Kidney stones typically consist of minerals and salts, primarily calcium oxalate, uric acid, and other substances. Some fruits contain compounds that may either promote or inhibit the formation of these stones. Key factors to consider include:

· Fruits High in Oxalates: Certain fruits, such as rhubarb, starfruit, and blackberries, are rich in oxalates. When consumed in excess by individuals prone to kidney stones, these fruits can contribute to the formation of calcium oxalate stones.

· Fruits Low in Oxalates: Many fruits, like apples, bananas, and grapes, are low in oxalates and are generally considered safe for individuals at risk of kidney stones. Consuming these fruits may help reduce the likelihood of stone formation.

· Potassium-Rich Fruits: Fruits such as bananas and oranges are high in potassium, which helps maintain a healthy balance of minerals in the body, further reducing the risk of kidney stone formation.

· Citrus Fruits and Citric Acid: Citrus fruits like lemons, limes, and oranges are excellent sources of citric acid. This compound helps prevent calcium oxalate stones by binding with calcium and reducing its ability to form crystals. Increasing citric acid intake is often recommended to prevent kidney stones.

In summary, while some fruits may increase the risk of kidney stones, others, particularly citrus fruits and those rich in potassium, can offer protective benefits. Maintaining a balanced diet and managing oxalate intake is key for those prone to kidney stones

Excellent answer given above . Perhaps keep in mind promotors of uric acid formation or facilitators of uric acid excretion and formation , tomatoes matured grapes , ciders beers etc ie alcohol fortified which will allow for uric acid stone formation but may then also be managed theoretically with urinary alkalinisation.