Fidobiotics Chicken Noodle Flavored Probiotic Supplement. 5 Stick Packs in a Container. PROBIOTIC- Immuno Boosto is a probiotic supplement that aids in immune support and digestive health for dogs. Contains 11 different Probiotic strains! SAFE- Products are All-natural, Gluten Free, and GMO Free. Proprietary blend of Mushrooms, Herbs, Vitamins and Minerals TASTY- Fido will love this chicken noodle flavored powder!