Dandelion/milk thistle is a balanced combination of certified organic dandelion and milk thistle seed to help stimulate and protect liver function in dogs, cats and other animals that exhibit signs of liver stress or toxicity. Animal Essentials dandelion/milk thistle is a glycerin-based formulation for both cats and dogs. All Animal Essentials tinctures are formulated by leading veterinarians herbalists. These veterinarians are intimately familiar with the needs and sensitivities of cats and dogs. The herbs Animal Essentials uses are selected from only the highest quality, certified organic or wild-crafted sources found in North America. Animal Essentials naturally balanced herbal blends have a sweet flavor that appeal to most dogs and cats.