Choosing regulated cannabis means you get products tested for potency and...

https://bizzmarkblog.com/can-unregulated-cannabis-contain-other-contaminants-besides-mould/

Choosing regulated cannabis means you get products tested for potency and harmful contaminants like mold or pesticides, so you know what you’re using. Unregulated options can be unpredictable, with varying strength and a higher risk of unsafe ingredients