For people with extra big dogs, they may want to consider large breed dog food made especially for them. There are now even a few suppliers of large breed dog food that make a healthy variety for you, such as Innova. You can find these on the web with a simple search. I also know that Hill’s Science Diet and Iams ProActive Health carry dog food for extra large breeds. We have not see too many coupons, but you now us. If we find a dog food coupon, we’ll forward it along so that you can save money.