Regulated cannabis is tested for things like potency and contaminants,...

https://suvzhinterworld.gumroad.com/p/what-is-the-simplest-way-to-describe-the-benefit-of-regulation

Regulated cannabis is tested for things like potency and contaminants, including harmful pesticides and mould, giving you clear info about what you’re getting. Unregulated products often lack this oversight, making their strength and safety unpredictable