Calming for Dogs and Cats helps to manage both environmental stressors like loud noises, grooming, veterinarian appointments, overstimulation and, everyday stress issues like separation fears, declining cognitive health and training issues. This formula includes L-Theanine, Vitamin B1 and Colostrum Calming Complex-all natural alternatives that calm without changing your pets personality. Calming is clinically proven, starts working within 30 minutes of delivery, and last for up to four hours.