Pro Plan Bright Minds 7+ Medium & Large Breed is complete and balanced food to nourish the mind of Medium and Large sized dogs aged 7+.When your dog reaches maturity, their body begins to undergo age-related changes. From less interaction with you, to lower engagement in daily activities, there are many signs your dog may be ageing. This dog food was created out of proprietary research that shows enhanced botanical oils provide an efficient fuel source for the brain in dogs aged 7+ helping naturally nourish their minds to help keep them active and alert for longer.