Nutro Max Appearance How Can I Convince My Mom That Nutro Max Is A Bad Food?

How can I convince my mom that Nutro Max is a bad food? - nutro max appearance

That's what I think now, and that in essence: "If the vet says that they are healthy and are healthy." That is not entirely correct, because it's teeth yellow and very thin. How can I convince my own mother brand of high quality is the best for your health?