LICKS - Cat Zen - Calming Aid and Stress Management- Tryptophan, L-Theanine, Eleuthero Root, and Ashwagandha Root - LiquiPaks - 10 Use An all natural calming remedy for cats that may experience situational anxiety and aggression from thunderstorms, house guests, travel, inner-home competition, vet visits, kennels, or shelters. Made in the USA, helps to restore balance and reduce aggressive tendencies in cats experiencing anxiety. Pill-Free administration process allows for 98% absorption rate vs. 20% with pills and chews. In other words, LICKS is up to 10x's more effective than pills or chews! Sourced and produced in the USA, with Great Roasted Chicken Taste! Made with 100% real, all-natural chicken in facilities and with ingredients for products meant for human consumption - 100% Human Grade. Patented Ingredient Formulation: Administer on paw, direct to mouth of cat or in a separate bowl; requires 30-60 minutes to activate; works best on an empty stomach. Repeat as needed.