Inside a head shop in the Southern California city of Oxnard, the glass display cases are lined with delta-8 THC edibles and vape cartridges encased in vibrant, colorful packaging, most of them bearing QR codes. It’s a sight common in head shops, vape outlets, and tobacco stores across the country these days.

We walked out of the shop with three delta-8 products. Two of them turned out to be fake.

But where do these products come from? Who makes them? How do consumers know they’re not filled with harmful contaminants, heavy metals, or even a potentially deadly additive like vitamin E oil?

The answer: They don’t.

Here’s why. As medical and recreational cannabis was legalized, each state included a regulatory system that determines what, how,…

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