Small kidney stones that range from 5 to 10 mm may effectively pass. However, bigger ones may require medication, especially if they are already causing problems and pain in urination. If you have kidney stones or want to prevent one, taking herbal tinctures is the natural route. Many herbs have therapeutic properties that prevent the formation of stones or soften existing stones to being non existent. Ingredients: Gravel Root, Dandelion, Cornsilk, Horestail, Celery Seed, Purified Water, 50% 100 Proof Vodka. This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.