Introducing PetLab Co. Probiotic Salmon Flavored Soft Chew Digestive Supplement for Dogs. Crafted with a blend of prebiotics, eight potent probiotic strains, and other powerful ingredients, this unique formula promotes healthy digestion, strengthens the immune system, and provides relief against seasonal and environmental allergies. Your furry friend will love the taste of each salmon-flavored soft chew, and you’ll love the positive impact it has on their overall health and happiness.