Calm Kitty; Calming Chews for Cats; Supports Stress Reduction; Reduces Anxiety; Great Tasting Chew STRONG: Formula contains three quality calming ingredients: Thiamine (Vitamin B1), L-Theanine (Suntheanine Brand), and Colostrum Calming Complex. EFFECTIVE: Helps minimize stress related behavior problems. RELAXING: Promotes relaxation and stress reduction without changing your cats personality and energy. FLEXIBLE: Can be used daily or for help during stressful occurrences such as vet visits or thunderstorms. QUALITY: Manufactured in the U.S.A in a NASC (National Animal Supplement Council) certified facility.