Lab tests show THC potency inflated on retail marijuana in Colorado

By Anna Schwabe, Associate Lecture Professor of Modern Cannabis Science, University of Colorado Boulder

Cannabis flower sold in Colorado claims to contain much more tetrahydrocannabinol, or THC, than it actually does, according to my findings published in the peer-reviewed journal Plos One.

THC is the psychoactive compound that is derived when cannabis flower – commonly referred to as “bud” – is heated through smoking or cooking.

Why it matters

Accurate THC reporting is a linchpin for medical patients, recreational consumers and the overall integrity of the cannabis industry. Medical and recreational…

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