Ultra Dog Superwoof for senior dogs is high-quality food that has been scientifically developed by our veterinarian and animal nutritionist. Special attention has been given to protein, fats and essential vitamins to maintain vibrancy, mobility and radiant good health. For extra care, this formula contains vitamin A and vitamin E, which act as antioxidants for a healthy immune system. An older dog also needs to look good, which is why this food contains Omega-6 fatty acids for maintaining a healthy skin and a shiny coat.