Animals Apawthecary OL-Immune is formulated to boost your pet"s immune system. OL-Immune also provides your pet with broad-spectrum antimicrobial activity without compromising the digestive flora. OL-Immune can be used for a variety of low grade infections and serves as a better tasting alternative to Goldenseal/Echinacea Blend. Animal"s Apawthecary OL-Immune is a Glycerin-Based formulation for both Cats and Dogs. All Animals Apawthecary tinctures are formulated by leading veterinarian"s herbalists. These veterinarians are intimately familiar with the needs and sensitivities of cats and dogs. The herbs Animals" Apawthecary uses are selected from only the highest quality, certified organic or wild-crafted sources found in North America. Animals Apawthecary"s naturally balanced herbal blends have a sweet flavor that appeals to most dogs and cats.