Reviact® Calming Aid Chews an ideal choice for dogs dealing with stressful situations, helping relieve your dog’s anxiety and supporting a balanced behavior in dogs of all breeds and sizes. It is Supports nervous system function to promote focus. It is Ideal for the nervous or hyperactive dog dealing with unexpected events like fireworks or thunderstorms. Reviact® Calming Aid Chews has a unique and powerful blend including inositol, taurine, lemon balm leaf extract and hemp extract, with no nasty fillers, preservatives or additives.