Cats need a diet rich in protein to stay healthy and maintain a healthy weight. The best high-protein diets for cats are those that are made from high-quality animal proteins, such as chicken, turkey, fish, and eggs. These proteins should be supplemented with other nutrients, such as taurine, vitamins, and minerals. Additionally, a diet that is high in fiber is beneficial for cats, as it helps to keep them regular and maintain a healthy digestive system. When selecting a high-protein diet for your cat, it is important to read the label and make sure the food contains the necessary nutrients and is free from fillers and additives.