Pfizer Pet-Tinic Liquid Vitamin-Mineral Supplement for Pets 1 oz.Pet Tinic is a palatable liquid vitamin and mineral supplement for dogs and cats. Palatable drops may be placed directly into pet's mouth or poured over food. Dogs and Cats: Approximately teaspoon (2 mL) per 25 lb of body weight twice a day. Pet Tinic helps treat and prevent some minor nutritional deficiencies in cats and dogs by supplementing daily diet with several important vitamins and minerals. This is especially beneficial for aging animals and