Although primarily used as an antiparasitic medicine for animals, some scientists and individuals have wondered about its power to help the immune system and the cells. But, it is not cleared for human treatment; both the safety and usefulness of the product are not the subject of well-conducted research. Besides, the person who has in mind the use of it is advised to see a doctor and to find and be guided by official science documents before taking action on fenbendazole for humans.