NaturVet(R) Mushroom Max Advanced Immune Support for Dogs and Cats Mushrooms naturally contain powerful immune-boosting substances which help support overall health and strengthen the immune system. These superfoods have been used for centuries as a nutritional food source and natural remedy. NaturVet's unique mushroom blend, along with a combination of antioxidants, is extremely beneficial for pets that require advanced immune support. Features: For use in dogs and cats over the age of 12 weeks Contains Maitake, Reishi, Shiitake, and Turkey Tail Contains natural and potent functioning agents that are extremely beneficial for the immune system Item Specifications: Active Ingredients per Soft Chew: Reishi Mushroom: 578mg Shiitake Mushroom: 446mg Turkey Tail Mushroom: 150mg Maitake Mushroom: 95mg N-acetyl-L-cysteine: 79mg Vitamin C (Calcium Ascorbate): 60mg Coenzyme Q-10: 1mg Selenium: 26mcg Vitamin A: 1050 IU DL-alpha-tocopheryl acetate (Vitamin E): 53 IU Inactive Ingredients: Brewer's Dried Yeast, Canola Oil, Dried Potato Product, Flaxseed, Glycerin, Lecithin, Mixed Tocopherols, Natural Flavoring, Rosemary Extract, Sorbic Acid, Tapioca Starch, Vegetable Oil, and Water. Directions for Daily Use: * Cats up to 5 lb.: 1/2 soft chew Cats over 5 lb.: 1 soft chew Dogs up to 25 lb.: 1 soft chew Dogs 26-50 lb.: 2 soft chews Dogs 51-100 lb.: 4 soft chews Dogs over 100 lb.: 6 soft chews *Amount can be divided between morning and evening