UT Cyst is an advanced veterinary formula that provides support and enhances urinary tract structure and function in cats and dogs. Cats .5 ml once a day for up to 2 weeks then take a break. Manufacture recommends 5 days on, 2 days off. Active ingredients: A Proprietary blend of Couchgrass rhizome 1:2, kava root 1:3, cranberry fruit 1:2, marshmallow root 1:2, uva-ursi leaf 1:2, 500 mg/ml. Inactive ingredients: Vegetable glycerin USP, distilled water.