When cannabis is regulated, labs test it for things like pesticides and mold,...

https://www.red-bookmarks.win/when-cannabis-is-regulated-products-go-through-testing-to-check-potency-and

When cannabis is regulated, labs test it for things like pesticides and mold, so you get a clearer idea of what you’re using. Unregulated products don’t go through those checks, making potency and safety unpredictable