Regulated cannabis is tested for things like mold and pesticides, so you know...

https://www.play-bookmarks.win/regulated-cannabis-goes-through-testing-and-traceability-so-you-know-what-s

Regulated cannabis is tested for things like mold and pesticides, so you know what you’re getting, which helps reduce risks. Unregulated products don’t have this oversight, meaning potency can vary a lot and contaminants might be present