Some humans, as well as pets, are allergic to wheat. However, it is a far better grain to digest than corn or soy bean. Using combination of different forms of grain - ground wheat, wheat hour, wheat germ meal, ground rice are better than just one grain. Humans, as well as pets, have certain foods they should not eat. We realize that one product cannot meet the needs of every pet owner. While a wheat base is acceptable to most dogs, it is up to each pet owner to make this determination.