I bought this product for my two cavaliers n it did nothing to rid the fleas or one of my dog's flea allergies. :-( .. How do I know if it will help with worms ? Total waste of money .. Not happy customer, n won't be buying this brand of products ever again ...

I love the simplicity of giving a single chew that even my picky boxer likes to eat so that means no more messy cream cheese but 3 monthly would be nice

This is a great last minute option, I have used it if I have run out of a better heartworm product. But I try not to make a habit of this. An affordable option which is found at most IGA supermarkets. If you can afford it though buy a product from a pet shop or veterinary clinic.
Easy to find and affordable.
Not really a quality product.