FeaturesNon-drowsy nutritional supplement to help manage pet behavior problems; helps promote sense of calmHelps support pets stressed over fireworks, thunderstorms, grooming, vet visits & changes at homeSuitable for dogs & cats, ideal for pets with sensitive stomachs; safe for short & long-term useZylkene contains a calming natural milk protein that is lactose-free & simple to administer dailyTrusted US pet food supplement brand with NASC Quality Seal, devoted to animal health since 1933