The PetLab Co. Allergy & Immune Probiotic Chew Supplement for Dogs is a paw-some way to maintain your furbaby’s immune health. It supports your pup’s natural defenses against seasonal allergies by helping to maintain gut bacterial balance. Each chew is packed with beneficial ingredients and friendly bacteria to help target the source of head shaking, paw biting, and paw licking. The chew features a blend of probiotics, prebiotics, postbiotics, antioxidants, omega fatty acids, and borage and krill oil to help keep your best friend feeling his best.