bai proven effective..water, citric acid (kalamansi)
reason why its effective..
kidney stones are caused by dehydration (pareha rani kung mag himo ka ug asin sa dagat, pa ug'hon) urine is usually bicarbs ug salt. so drink water.
kalamansi...citirc acid maka pa tunaw sa stone, which have accumulated in your minor or major calyces (passage way sa urine).