Promote your dog's mental performance with Purina PRO PLAN Age Defence. Around 7 years of age, a dog's brain begins to change how it metabolizes glucose, which can affect memory, learning, attention, or decision making. Purina PRO PLAN Age Defence contains a patented blend of nutrients proven to improve curiosity and responsiveness, with visible results within 30 days. Purina PRO PLAN Age Defence dry dog food is made with high-quality chicken pieces as the first ingredient and adapted protein and fat levels to help your dog stay in top shape during his golden years. Each Age Defence Formula also contains a patented blend of nutrients to support the brain for cognitive function and enhanced botanical oils that have been shown to promote alertness, mental sharpness, and family interaction in dogs 7 years and older. Glucosamine and EPA, an omega-3 fatty acid, support the mobility of your dog's joints for healthy ageing, while omega-6 fatty acids (1.5%) and vitamin A promote healthy skin and a beautiful coat. Purina PRO PLAN Age Defence Medium and Large Adult 7+ has been developed for ageint adult dogs of medium and large breeds (weighing more than 10 kg). This dry dog food contains vitamin D, minerals and specific levels of omega-3 (0.3%) to help support healthy teeth and gums. It is rich in high-quality chicken and with an adjusted protein and fat levels, it provides optimal nutrition adapted to the changing needs of your maturing dog and should be fed to dogs aged 7 and older. Discover the benefits AGE DEFENCE products can make to your dog's health and wellbeing.Feel good about feeding him a high-quality Purina PRO PLAN dog food that tastes so good he'll keep running to the bowl.