EPMThis product was designed to support horses that are battling EPM. Some signs that your horse may have EPM include: neurological symptoms such as tripping and toe dragging, loss of muscle and not being able to keep a topline, and sudden change in behavior such as spookiness. We have seen major behavior changes in horses in as little as 1 2 weeks on this product. The length of time that a horse needs to stay on this product for, to be fully healed, is