Tannis root safe for pregnant women?

Q:
What Is a Tannis Root?
A:
Quick Answer

A tannis root is a root of a fictional herb that is enclosed in a locket in the 1968 movie, "Rosemary's Baby." In the movie, the tannis root is enclosed in a locket of a character named Terry, which was given to her by the Castevets. The tannis root was described as being mysterious, smelly and noxious.

Never gonna find it.......

You seriously thought Tannis root was a real thing?

And why the fuck would you want it, even if it was?