Not that I know of. The ingredients are pretty rare, though, and the recipe is guarded by the imperial family. Maybe they decide who gets to have it?

[It's a part of human culture he hasn't looked into too closely. Everything he's learned about this place is either because he saw it during a brief visit about two hundred years ago, or he picked it up from Sparrowfeathers gossip.]

This country is pretty serious about its medicine. If it's the real deal, then it's probably reserved for the incurable illnesses that target vulnerable people.

[He catches Sorey staring a little long at the shop windows and leans in.]

... See something you like?