Pet Naturals of Vermont 30 Count Calming Behavioral Support Soft Chews for Dogs and Cats Our proprietary blend includes Thiamine, C3 (Colostrum Calming Complex) and L-Theanine to produce a relaxed and calm state. Calming for Cats contains NO wheat, corn or artificial ingredients. Recommended for high stress situations including travel, visits to the veterinarian, boarding, thunderstorms or other out of the ordinary outside stimuli. Safe to double or triple the dosing for times of increased stress. Veterinarian formulated with the concerns of cat owners in mind. Pet Naturals products are manufactured in the Green Mountains of Vermont and are backed by a 100% satisfaction guarantee.