Designed to be fed every 12 weeks as a five day course, either added directly to the feed or fed from the hand as a treat. 100% herbal formulation specifically for the control of internal parasites designed by world renowned herbalists. As well as parasitic controlling herbs there are herbs for blood cleansing and others for gut maintenance, they have been carefully blended together to work synergistically with each other. Verm-X is completely natural and is ideal for horses kept on organic farms. Used widely on horses in the peak of fitness and competition, the herbs are gentle on the digestive system. The Veteran Horse Society recommends Verm-X for older horses. It is extremely palatable and has no known resistance. 750gm pack will treat three horses for five days.