Calming support for your dog with Qusera: Introducing our calming dog chews infused with time-tested soothing ingredients for calm dogs. Every chew undergoes third-party testing for quality and purity assurance. Trust Qusera for a premium blend made in the USA, crafted using global ingredients. Qusera: A meticulously crafted blend of herbs, amino acids, and natural ingredients, each selected with care, aimed at promoting a sense of balance and wellness in dogs.