ProActive Healthy formula features PreBiotics that work inside the digestive tract to promote healthy digestion and strong defenses. Healthy inside， healthy outside. Provides the wholesome， nutrient-rich goodness your cat needs to stay strong and active. Helps maintain lean muscles and a healthy weight by providing crunchy kibbles that keep teeth clean and tartar-free. Also fortified with minerals for strong bones， taurine for healthy heart and eyes， and rich in fish oils for a sleek and shiny coat. Plus， it has a gentle fiber to support your cat's ability to absorb nutrients.