Exactly.
They are not about to let a cheap drug you can get at any farm supply store for a few bucks, negate the sales of new multi thousand dollar drugs that don’t do much but make you even more miserable before you die................
Link to dosage calculator, discussions on the drug, tips for I creasing chances of beat8ng cancer etc
https://www.fenbendazole.org/fenbendazole-information/fenbendazole-dosage-guide/