We've never used it,. but we have always used natural means of worming with all our animals and used the stuff that's in Verm-X with continued success. We have used these means as a prophylactic and as a treatment. We have used herbal worming on our horses, dogs, cats, poultry and US! These remedies are what folks used long before chemical means were available.
I use everything in the Verm-X except the dicalcium phosphate or seaweed meal,.. and I usually use olive oil or safflower oil instead of sunflower oil,. and we have had no worms in our animals,. our vet has been won over after a long while watching and hoping to catch a parasite in out pets-- but never has!,..and now has started to look up natural methods for her own animals.
If you do you it,. I would be interested to see you post on what you think of it. Remember,. natural methods can take a little longer to work,. but their results are usually longer lasting and provide other health benefits for the animals body as well.