@petlabco: Dr. Israel Swann has seen a lot of dog mouths. His point is simple: the breath and the yellow are not personality, they are a maintenance gap. Daily care is what closes it, and brushing is the gold standard when it happens. PetLabCo. ProBright® Advanced is the daily option. One scoop over food. It has 2 clinical studies, and it is nutritionist and veterinarian formulated. Tap Learn More.