Fenben is used to eliminate organisms such as parasites, worms, fungi and harmful microbes that may be the underlying cause of many conditions. It helps the immune system function properly through it’s ability to detoxify from harmful pathogens. Fenbendazole targets the FTSZ gene and the infected micro tubulin that is being created at a cellular level. These tablets contain 300 mg fenbendazole. These tablets have a mild cherry scent to attract your animal. They are made with minimal fillers or added ingredients by a GMP animal pharmaceutical company. 100 tablets per bottle.