My Italian Greyhounds have ONE nasty habit. They love to get in the cat box and eat the "kitty treats" We do not have any place to keep the cat box where the dogs can't get into it. (we used to be able to keep it in the pantry with a baby gate) Tractor Supply has a product that you are supposed to be able to feed to dogs to prevent them from eating their own feces (supposed to make it taste "bad"). I am wondering if I can give this to the cat? The ingredients include: Brewers Yeast, Cayenne, Biotin, Vitamin B1, Vitamin B2, Vitamin B6 Niaciamide, Iron and Copper. I can't find anything that says it is harmful to cats.