The benefits of Hill's Science Plan Adult Cat Foods Adult cats have unique needs. For cats 1 to 6 years old, lean muscle and vital organ support are important to help them stay active throughout their adult years. The right food can help. Hill’s Science Plan Adult Cat Foods are specially formulated to fuel the energy needs of cats during the prime of their life. This delicious food provides high-quality protein for lean muscles, essential taurine for heart health and balanced minerals to support kidneys and bladder. With Vitamin E, Omega-3s & 6s for beautiful skin and fur. For every stage in life. Hill’s Science Plan foods are premium nutrition for a long, healthy and happy life, enriching the time you have together. Choose a 100% balanced nutrition that helps keep them healthy from kittenhood to adulthood and beyond. The Hill’s difference Nutrition with the power to transform lives. With science-first formulas to address your cat's unique health needs, the range of Prescription Diet foods provides the targeted nutrition they need to live a long, happy life. Biology-based nutrition. Hill's is dedicated to pioneering research and creating science-first food formulated to anticipate pets' ever-changing nutritional needs. Powerful nutrition, irresistible taste. Hill's Prescription Diet cat foods are formulated to deliver the nutrition your cat needs in delicious flavours and textures that will keep them coming back for more.