Meowstard and Catchup

I was just in a pet grooming/boutique store and ran into these products. Supposed to be a supplement but with flavors that cats love. What do you all think of it? Does anyone use them?

http://www.mypetchup.com/products/

(for some reason I can only get a URL for their overall product page; you will have to click on the product to see the details)

It's an interesting an unique marketing concept for supplements and other nutrients which most people get and use every day in some of the foods for their animals. This is not a new thing, just a new marketing concept in a cute bottle