Maintains normal function of the urinary tract; Enhances bladder function, and aid in the removal of urinary crystals. It is a glycerin-based formula for dogs and cats. All tinctures are formulated by leading veterinarian herbalists who are intimately familiar with the needs and sensitivities of dogs and cats. The herbs used are selected from the highest quality certified organic or sustainably wild-harvested North American sources in the world. These naturally balanced herbal blends have a sweet flavor that appeals to most dogs and cats.