Before you go out and change your dog’s diet, have a conversation with your veterinarian about what’s best for your dog’s nutritional needs. Diets with exotic proteins and fewer ingredients are popular, but are they right for your dog’s sensitive stomach? Conversations about the best dog food brands can be as controversial as cars and sports teams, but to help pet owners navigate the vast realm of dog foods for sensitive stomachs, I’ve covered my top picks that are available without a prescription. Food plays an important role in a dog’s digestive health.