Worm Free Naturally is a 100% natural horse supplement that may support your horse in a regular de-worming program. The added benefit of silica, vitamins, trace minerals, and probiotics may also help maintain a healthy digestive tract.We do recommend working with your vet to ensure regular testing.Worm Free Naturally contains food grade diatomaceous earth along with pro-biotics. Shown to be useful to help the body to address the internal parasites, while also offering trace minerals and probiotics that are essential for a healthy digestive tract. Why wouldn't you want to do that for your pets? Can chemical de-wormers do all that? “I am so happy to find a product that is natural for all my pets. 6 dogs 2 horses and a mule are alot of animals and alot of meds. This natural wormer has changed the life of all my animals. I have seen worms dry up after a couple days with this product. My pets all look great and I know feel great. This is a miracle and its inexpensive to boot. I highly recommend Worm Free Naturally to everyone with a pet you love!! ” -LL Eidson, TN Q- What is the difference in Herba Worm Naturally and Worm Free Naturally dewormers?A- Herba Worm Naturally is used for de-worming but not prevention. Herba Worm is an herbal based wormer you use 10 days.Worm Free Naturally is de-worming and prevention. WFN is a Diatomaceous Earth based wormer you use for 90 days but then it can also be used 3 x week for prevention. Benefits:Safe, non-toxic, parasites don't build immunity as they do with traditional wormers Trace minerals - great for animals, humans, plants, and soil May help detox heavy metals, E.coli, bacteria, viruses, etc. Promotes shinier coats Digestive aid and Colon support Supports better overall health May help to reduce flies, fleas, ticks, etc. Known to reduce manure odorWorm Free Naturally: Bad for worms. Good for your horse.Available in 3lb, 6lb, 9lb, 25lb sizesHORSES: Up to 1,000 lbs.1/2 Cup Over 1000 lbs. 3/4 Cup3 lb Bag contains approximately 30-1/2 Cup Servings