Started my pup on dogbiotics because his breath was stinky and his teeth didn't look white. I gave it to him for a couple of weeks and didn't really see a difference, so stopped for awhile, and thats when I noticed the bad breath was back, so started up again. He's been on it for several months now, and his teeth look clean, and his breath is ok as well. I occasionally use a dental wipe at night before he goes to sleep, just in case something is on his teeth or in a crevice in his mouth. He's 12...