To soothe, lubricate, fight infection, and reduce inflammation in the urinary tract and to aid with the removal of urinary crystals. Gylcerin-based Formulations for Dogs & 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 sustainable wild-harvested North American sources in the world. These naturally balanced herbal blends have a sweet flavor that appeal to most dogs and cats.