Do not buy this stuff ever! drive further if you have to and get KMR unless you want to risk the kitten's life. i've read many other stories and i know this was not the first time. He was very healthy and active been bottle fed for about a week, but after he was fed this stuff he started vomiting and within an hour he was thrashing around with his eyes rolling back in his head, my vet and I agreed that the best thing was to put him down. She said that Hartz causes many many problems. Please do not ever support this cruel company