Great Jack's Air-Dried Cat Treats Allergies & Immune are specially formulated to help support your cat's natural defenses and overall well-being. Made with chicken, astragalus root and lion's mane mushroom, these nutrient-rich treats help promote a balanced immune system, while bovine immunoglobulin supports gut health and digestive function. Air-dried to preserve flavor and nutrition, they're a delicious and convenient way to support your cat's daily health.