“This product seems to work well, we have had no issues with worms, as long as you can get it down your cat's throat without them gagging or throwing the tablet up! It is best to open cat's mouth wide and quickly put it as far back down their throat as possible and shut their mouth so they have to swallow, you can try getting a teaspoon full of water in there too to help it go down. Best attempted with 2 people so the cat can't squirm away!”