I don't know a lot about this one but again it has a lot of support in [Jane McLelland](../../5.%20Resources/People/Jane%20McLelland.md)'s community and seems relatively safe. [Fenbendazole acts as a moderate microtubule destabilizing agent and causes cancer cell death by modulating multiple cellular pathways - PMC](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6085345/)