A 100% herbal formulation specifically for the control of internal parasites designed by world renowned herbalists. Your retailer will not need to ask you for any personal details when purchasing. 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. Verm-X is extremely palatable and has no known resistance. The Veteran Horse Society recommends Verm-X for older horses.