Theriac
[ˈθɛ.ɹi..ɑk]
noun
A supposed universal antidote against poison, especially snake venom; specifically, one such developed in the 1st century as an improvement on mithridate.
“Theriac was essentially homeopathic in its supposed function, being an "improvement" on mithridate by virtue of containing more poisons.”
Treacle; molasses.
adjective
Theriacal; medicinal.