A Dietary Supplement Vegetarian/Vegan A healthy urinary tract is essential for maintaining the bodyâe s normal fluid balance and for cleansing the body of metabolic wastes. Botanicals such as Uva Ursi, Parsley Seed, Fennel, and Horsetail have a long history of use in the support of urinary tract health. * NOWÂ Kidney Cleanse is a blend of herbs traditionally used by herbalists to support the kidneyâe s normal filtration functions, to promote proper fluid excretion, and to maintain a healthy urinary tract environment. * Suggested Usage Take 2 capsules daily with plenty of water. For short term use. Daily use for more than one month is not recommended.